plugins/org.eclipse.egf.model/generated/org/eclipse/egf/model/fcore/util/FcoreValidator.java

/**
 * 
 * Copyright (c) 2009-2010 Thales Corporate Services S.A.S.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 * Thales Corporate Services S.A.S - initial API and implementation
 * 
 */
package org.eclipse.egf.model.fcore.util;

import java.util.Map;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.egf.common.helper.ClassHelper;
import org.eclipse.egf.model.EGFModelPlugin;
import org.eclipse.egf.model.fcore.Activity;
import org.eclipse.egf.model.fcore.Contract;
import org.eclipse.egf.model.fcore.ContractContainer;
import org.eclipse.egf.model.fcore.ContractMode;
import org.eclipse.egf.model.fcore.FactoryComponent;
import org.eclipse.egf.model.fcore.FactoryComponentContract;
import org.eclipse.egf.model.fcore.FcorePackage;
import org.eclipse.egf.model.fcore.Invocation;
import org.eclipse.egf.model.fcore.InvocationContract;
import org.eclipse.egf.model.fcore.InvocationContractContainer;
import org.eclipse.egf.model.fcore.ModelElement;
import org.eclipse.egf.model.fcore.NamedModelElement;
import org.eclipse.egf.model.fcore.Orchestration;
import org.eclipse.egf.model.fcore.OrchestrationParameter;
import org.eclipse.egf.model.fcore.OrchestrationParameterContainer;
import org.eclipse.egf.model.fcore.Viewpoint;
import org.eclipse.egf.model.fcore.ViewpointContainer;
import org.eclipse.egf.model.helper.ActivityCycleFinder;
import org.eclipse.egf.model.types.Type;
import org.eclipse.emf.common.util.BasicDiagnostic;
import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.emf.common.util.DiagnosticChain;
import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.util.EObjectValidator;
import org.eclipse.emf.validation.model.EvaluationMode;
import org.eclipse.emf.validation.model.IConstraintStatus;
import org.eclipse.emf.validation.service.IBatchValidator;
import org.eclipse.emf.validation.service.ModelValidationService;
import org.eclipse.emf.validation.service.ITraversalStrategy.Recursive;
import org.eclipse.osgi.util.NLS;

/**
 * <!-- begin-user-doc -->
 * The <b>Validator</b> for the model.
 * <!-- end-user-doc -->
 * 
 * @see org.eclipse.egf.model.fcore.FcorePackage
 * @generated
 */
public class FcoreValidator extends EObjectValidator {
  /**
   * The cached model package
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  @SuppressWarnings("hiding")
  public static final FcoreValidator INSTANCE = new FcoreValidator();

  /**
   * A constant for the {@link org.eclipse.emf.common.util.Diagnostic#getSource() source} of diagnostic {@link org.eclipse.emf.common.util.Diagnostic#getCode() codes} from this package.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @see org.eclipse.emf.common.util.Diagnostic#getSource()
   * @see org.eclipse.emf.common.util.Diagnostic#getCode()
   * @generated
   */
  @SuppressWarnings("hiding")
  public static final String DIAGNOSTIC_SOURCE = "org.eclipse.egf.model.fcore"; //$NON-NLS-1$

  /**
   * A constant with a fixed name that can be used as the base value for additional hand written constants.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  private static final int GENERATED_DIAGNOSTIC_CODE_COUNT = 0;

  /**
   * A constant with a fixed name that can be used as the base value for additional hand written constants in a derived class.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  protected static final int DIAGNOSTIC_CODE_COUNT = GENERATED_DIAGNOSTIC_CODE_COUNT;

  /**
   * Model Validation Service interface for batch validation of EMF elements.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  private final IBatchValidator batchValidator;

  /**
   * Creates an instance of the switch.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public FcoreValidator() {
    super();
    batchValidator = (IBatchValidator) ModelValidationService.getInstance().newValidator(EvaluationMode.BATCH);
    batchValidator.setTraversalStrategy(new Recursive());
    batchValidator.setIncludeLiveConstraints(true);
    batchValidator.setReportSuccesses(false);
  }

  /**
   * Returns the package of this validator switch.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  @Override
  protected EPackage getEPackage() {
    return FcorePackage.eINSTANCE;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  @Override
  public boolean validate(EClass eClass, EObject eObject, DiagnosticChain diagnostics, Map<Object, Object> context) {
    IStatus status = Status.OK_STATUS;
    // do whatever the basic EcoreValidator does
    super.validate(eClass, eObject, diagnostics, context);
    // no point in validating if we can't report results
    if (diagnostics != null) {
      // if EMF Mode Validation Service already covered the sub-tree,
      // which it does for efficient computation and error reporting,
      // then don't repeat (the Diagnostician does the recursion
      // externally). If there is no context map, then we can't
      // help it
      if (hasProcessed(eObject, context) == false) {
        status = batchValidator.validate(eObject, new NullProgressMonitor());
        processed(eObject, context, status);
        appendDiagnostics(status, diagnostics);
      }
    }
    return status.isOK();
  }

  /**
   * Calls <code>validateXXX</code> for the corresponding classifier of the model.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  @Override
  protected boolean validate(int classifierID, Object value, DiagnosticChain diagnostics, Map<Object, Object> context) {
    switch (classifierID) {
    case FcorePackage.MODEL_ELEMENT:
      return validateModelElement((ModelElement) value, diagnostics, context);
    case FcorePackage.NAMED_MODEL_ELEMENT:
      return validateNamedModelElement((NamedModelElement) value, diagnostics, context);
    case FcorePackage.ACTIVITY:
      return validateActivity((Activity) value, diagnostics, context);
    case FcorePackage.CONTRACT:
      return validateContract((Contract) value, diagnostics, context);
    case FcorePackage.FACTORY_COMPONENT:
      return validateFactoryComponent((FactoryComponent) value, diagnostics, context);
    case FcorePackage.CONTRACT_CONTAINER:
      return validateContractContainer((ContractContainer) value, diagnostics, context);
    case FcorePackage.FACTORY_COMPONENT_CONTRACT:
      return validateFactoryComponentContract((FactoryComponentContract) value, diagnostics, context);
    case FcorePackage.VIEWPOINT_CONTAINER:
      return validateViewpointContainer((ViewpointContainer) value, diagnostics, context);
    case FcorePackage.VIEWPOINT:
      return validateViewpoint((Viewpoint) value, diagnostics, context);
    case FcorePackage.ORCHESTRATION:
      return validateOrchestration((Orchestration) value, diagnostics, context);
    case FcorePackage.ORCHESTRATION_PARAMETER_CONTAINER:
      return validateOrchestrationParameterContainer((OrchestrationParameterContainer) value, diagnostics, context);
    case FcorePackage.ORCHESTRATION_PARAMETER:
      return validateOrchestrationParameter((OrchestrationParameter) value, diagnostics, context);
    case FcorePackage.INVOCATION:
      return validateInvocation((Invocation) value, diagnostics, context);
    case FcorePackage.INVOCATION_CONTRACT_CONTAINER:
      return validateInvocationContractContainer((InvocationContractContainer) value, diagnostics, context);
    case FcorePackage.INVOCATION_CONTRACT:
      return validateInvocationContract((InvocationContract) value, diagnostics, context);
    case FcorePackage.CONTRACT_MODE:
      return validateContractMode((ContractMode) value, diagnostics, context);
    default:
      return true;
    }
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateModelElement(ModelElement modelElement, DiagnosticChain diagnostics, Map<Object, Object> context) {
    return validate_EveryDefaultConstraint(modelElement, diagnostics, context);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateNamedModelElement(NamedModelElement namedModelElement, DiagnosticChain diagnostics, Map<Object, Object> context) {
    return validate_EveryDefaultConstraint(namedModelElement, diagnostics, context);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateActivity(Activity activity, DiagnosticChain diagnostics, Map<Object, Object> context) {
    boolean result = validate_EveryMultiplicityConforms(activity, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryDataValueConforms(activity, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryReferenceIsContained(activity, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryProxyResolves(activity, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_UniqueID(activity, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryKeyUnique(activity, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryMapEntryUnique(activity, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateActivity_MandatoryName(activity, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateActivity_ActivityCycle(activity, diagnostics, context);
    return result;
  }

  /**
   * Validates the MandatoryName constraint of '<em>Activity</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateActivity_MandatoryName(Activity activity, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (activity.getName() == null || activity.getName().trim().length() == 0) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "MandatoryName", getObjectLabel(activity, context), "The attribute name is mandatory" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { activity }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * Validates the ActivityCycle constraint of '<em>Activity</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateActivity_ActivityCycle(Activity activity, DiagnosticChain diagnostics, Map<Object, Object> context) {
    ActivityCycleFinder finder = new ActivityCycleFinder(activity);
    ModelElement element = finder.getFirstRepetition();
    if (element != null) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_GenericConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ActivityCycle", getObjectLabel(element, context) }, //$NON-NLS-1$
            new Object[] { element }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateContract(Contract contract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    boolean result = validate_EveryMultiplicityConforms(contract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryDataValueConforms(contract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryReferenceIsContained(contract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryProxyResolves(contract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_UniqueID(contract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryKeyUnique(contract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryMapEntryUnique(contract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateContract_UniqueName(contract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateContract_UselessMandatoryMode(contract, diagnostics, context);
    return result;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateFactoryComponent(FactoryComponent factoryComponent, DiagnosticChain diagnostics, Map<Object, Object> context) {
    boolean result = validate_EveryMultiplicityConforms(factoryComponent, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryDataValueConforms(factoryComponent, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryReferenceIsContained(factoryComponent, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryProxyResolves(factoryComponent, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_UniqueID(factoryComponent, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryKeyUnique(factoryComponent, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryMapEntryUnique(factoryComponent, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateActivity_MandatoryName(factoryComponent, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateActivity_ActivityCycle(factoryComponent, diagnostics, context);
    return result;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateContractContainer(ContractContainer contractContainer, DiagnosticChain diagnostics, Map<Object, Object> context) {
    boolean result = validate_EveryMultiplicityConforms(contractContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryDataValueConforms(contractContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryReferenceIsContained(contractContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryProxyResolves(contractContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_UniqueID(contractContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryKeyUnique(contractContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryMapEntryUnique(contractContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateContractContainer_FactoryComponentContract(contractContainer, diagnostics, context);
    return result;
  }

  /**
   * Validates the FactoryComponentContract constraint of '<em>Contract Container</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateContractContainer_FactoryComponentContract(ContractContainer contractContainer, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (contractContainer.getActivity() == null || contractContainer.getActivity() instanceof FactoryComponent == false) {
      return true;
    }
    boolean valid = true;
    for (Contract contract : contractContainer.getContracts()) {
      if (contract instanceof FactoryComponentContract == false) {
        valid = false;
        break;
      }
    }
    if (valid == false) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "FactoryComponentContract", getObjectLabel(contractContainer, context), "This ContractContainer should only hold FactoryComponentContract" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { contractContainer }, context));
      }
    }
    return valid;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateFactoryComponentContract(FactoryComponentContract factoryComponentContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    boolean result = validate_EveryMultiplicityConforms(factoryComponentContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryDataValueConforms(factoryComponentContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryReferenceIsContained(factoryComponentContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryProxyResolves(factoryComponentContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_UniqueID(factoryComponentContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryKeyUnique(factoryComponentContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryMapEntryUnique(factoryComponentContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateContract_UniqueName(factoryComponentContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateContract_UselessMandatoryMode(factoryComponentContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateFactoryComponentContract_UselessFactoryComponentContract(factoryComponentContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateFactoryComponentContract_OutModeIsRestricted(factoryComponentContract, diagnostics, context);
    return result;
  }

  /**
   * Validates the UselessFactoryComponentContract constraint of '<em>Factory Component Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateFactoryComponentContract_UselessFactoryComponentContract(FactoryComponentContract factoryComponentContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (factoryComponentContract.getInvocationContracts() == null || factoryComponentContract.getInvocationContracts().size() == 0) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.WARNING, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "UselessFactoryComponentContract", getObjectLabel(factoryComponentContract, context), "This FactoryComponentContract is not used" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { factoryComponentContract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateViewpointContainer(ViewpointContainer viewpointContainer, DiagnosticChain diagnostics, Map<Object, Object> context) {
    return validate_EveryDefaultConstraint(viewpointContainer, diagnostics, context);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateViewpoint(Viewpoint viewpoint, DiagnosticChain diagnostics, Map<Object, Object> context) {
    return validate_EveryDefaultConstraint(viewpoint, diagnostics, context);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateOrchestration(Orchestration orchestration, DiagnosticChain diagnostics, Map<Object, Object> context) {
    return validate_EveryDefaultConstraint(orchestration, diagnostics, context);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateOrchestrationParameterContainer(OrchestrationParameterContainer orchestrationParameterContainer, DiagnosticChain diagnostics, Map<Object, Object> context) {
    boolean result = validate_EveryMultiplicityConforms(orchestrationParameterContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryDataValueConforms(orchestrationParameterContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryReferenceIsContained(orchestrationParameterContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryProxyResolves(orchestrationParameterContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_UniqueID(orchestrationParameterContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryKeyUnique(orchestrationParameterContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryMapEntryUnique(orchestrationParameterContainer, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateOrchestrationParameterContainer_UselessOrchestrationParameterContainer(orchestrationParameterContainer, diagnostics, context);
    return result;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateOrchestrationParameter(OrchestrationParameter orchestrationParameter, DiagnosticChain diagnostics, Map<Object, Object> context) {
    boolean result = validate_EveryMultiplicityConforms(orchestrationParameter, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryDataValueConforms(orchestrationParameter, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryReferenceIsContained(orchestrationParameter, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryProxyResolves(orchestrationParameter, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_UniqueID(orchestrationParameter, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryKeyUnique(orchestrationParameter, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryMapEntryUnique(orchestrationParameter, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateOrchestrationParameter_UselessOrchestrationParameter(orchestrationParameter, diagnostics, context);
    return result;
  }

  /**
   * Validates the UselessOrchestrationParameter constraint of '<em>Orchestration Parameter</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateOrchestrationParameter_UselessOrchestrationParameter(OrchestrationParameter orchestrationParameter, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (orchestrationParameter.getInvocationContracts() == null || orchestrationParameter.getInvocationContracts().size() == 0) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.WARNING, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "UselessOrchestrationParameter", getObjectLabel(orchestrationParameter, context), "This OrchestrationParameter is unused" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { orchestrationParameter }, context));
        return false;
      }
    }
    if (orchestrationParameter.getType() != null && orchestrationParameter.getType().getValue() == null) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.WARNING, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "UselessOrchestrationParameter", getObjectLabel(orchestrationParameter.getType(), context), "This OrchestrationParameter Type has no defined value" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { orchestrationParameter.getType() }, context));
        return false;
      }
    }
    if (orchestrationParameter.getInvocationContracts().size() > 0 && orchestrationParameter.getInvocationContracts().size() == 1) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.WARNING, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "UselessOrchestrationParameter", getObjectLabel(orchestrationParameter, context), NLS.bind("This OrchestrationParameter could be defined in ''{0}''", getObjectLabel(orchestrationParameter.getInvocationContracts().get(0), context)) }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { orchestrationParameter }, context));
        return false;
      }
    }
    return true;
  }

  /**
   * Validates the UselessOrchestrationParameterContainer constraint of '<em>Orchestration Parameter
   * Container</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateOrchestrationParameterContainer_UselessOrchestrationParameterContainer(OrchestrationParameterContainer orchestrationParameterContainer, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (orchestrationParameterContainer.getOrchestrationParameters() == null || orchestrationParameterContainer.getOrchestrationParameters().size() == 0) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.WARNING, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "UselessOrchestrationParameterContainer", getObjectLabel(orchestrationParameterContainer, context), "OrchestrationParameterContainer should contain at least one InvocationParameter" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { orchestrationParameterContainer }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateInvocation(Invocation invocation, DiagnosticChain diagnostics, Map<Object, Object> context) {
    boolean result = validate_EveryMultiplicityConforms(invocation, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryDataValueConforms(invocation, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryReferenceIsContained(invocation, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryProxyResolves(invocation, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_UniqueID(invocation, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryKeyUnique(invocation, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryMapEntryUnique(invocation, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocation_MandatoryInvokedContract(invocation, diagnostics, context);
    return result;
  }

  /**
   * Validates the MandatoryInvokedContract constraint of '<em>Invocation</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocation_MandatoryInvokedContract(Invocation invocation, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocation.getInvokedActivity() == null || invocation.getInvokedActivity().getContracts() == null || invocation.getInvokedActivity().getContracts().size() == 0) {
      return true;
    }
    for (Contract contract : invocation.getInvokedActivity().getContracts()) {
      // Mandatory contract with a default value raise a warning
      // see validateContract_UselessMandatoryMode
      // as such this doesn't prevent any execution
      // only mandatory contract with no default value should be declared at invocation level
      if (contract.isMandatory() == false || contract.getType() == null || contract.getType().getValue() != null) {
        continue;
      }
      boolean found = false;
      if (invocation.getInvocationContracts() != null) {
        for (InvocationContract invocationContract : invocation.getInvocationContracts()) {
          if (contract.equals(invocationContract.getInvokedContract())) {
            found = true;
            break;
          }
        }
      }
      if (found == false) {
        if (diagnostics != null) {
          diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
              new Object[] { "MandatoryInvokedContract", getObjectLabel(invocation, context), NLS.bind("Mandatory Contract ''{0}'' should be invoked", getObjectLabel(contract, context)) }, //$NON-NLS-1$ //$NON-NLS-2$
              new Object[] { invocation }, context));
        }
        return false;
      }
    }
    return true;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateInvocationContractContainer(InvocationContractContainer invocationContractContainer, DiagnosticChain diagnostics, Map<Object, Object> context) {
    return validate_EveryDefaultConstraint(invocationContractContainer, diagnostics, context);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateInvocationContract(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    boolean result = validate_EveryMultiplicityConforms(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryDataValueConforms(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryReferenceIsContained(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryProxyResolves(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_UniqueID(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryKeyUnique(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validate_EveryMapEntryUnique(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocationContract_ValidInvokedContract(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocationContract_ValidInvokedContractType(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocationContract_ValidFactoryComponentContract(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocationContract_ValidFactoryComponentContractType(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocationContract_ValidOrchestrationParameter(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocationContract_ValidOrchestrationParameterType(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocationContract_ValidSourceInvocationContract(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocationContract_ValidSourceInvocationContractType(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocationContract_UselessTypeValue(invocationContract, diagnostics, context);
    if (result || diagnostics != null)
      result &= validateInvocationContract_UselessInvocationContract(invocationContract, diagnostics, context);
    return result;
  }

  /**
   * Validates the ValidInvokedContract constraint of '<em>Invocation Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocationContract_ValidInvokedContract(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocationContract.getInvokedContract() == null || invocationContract.getInvocation() == null || invocationContract.getInvocation().getInvokedActivity() == null) {
      return true;
    }
    // Activity contract analysis
    boolean found = false;
    for (Contract contract : invocationContract.getInvocation().getInvokedActivity().getContracts()) {
      if (contract == invocationContract.getInvokedContract()) {
        found = true;
        break;
      }
    }
    if (found == false) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidInvokedContract", getObjectLabel(invocationContract, context), "InvokedContract doesn't match any InvokedActivity Contract" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * Validates the ValidInvokedContractType constraint of '<em>Invocation Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocationContract_ValidInvokedContractType(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocationContract.getInvokedContract() == null || invocationContract.getInvokedContract().getType() == null || invocationContract.getType() == null) {
      return true;
    }
    if (ClassHelper.asSubClass(invocationContract.getInvokedContract().getType().getType(), invocationContract.getType().getType()) == false) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidInvokedContractType", getObjectLabel(invocationContract, context), "InvocationContract and InvokedContract Type mismatch" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * Validates the ValidFactoryComponentContract constraint of '<em>Invocation Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocationContract_ValidFactoryComponentContract(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocationContract.getFactoryComponentContract() == null || invocationContract.getInvokedMode() == null) {
      return true;
    }
    if (invocationContract.getInvokedMode() == ContractMode.OUT && invocationContract.getFactoryComponentContract().getMode() == ContractMode.IN) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidFactoryComponentContract", getObjectLabel(invocationContract, context), "InvocationContract in Out Mode couldn't be assigned to a FactoryComponentContract in In Mode" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    } else if (invocationContract.getInvokedMode() == ContractMode.IN && invocationContract.getFactoryComponentContract().getMode() == ContractMode.OUT) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidFactoryComponentContract", getObjectLabel(invocationContract, context), "InvocationContract in In Mode couldn't be assigned to a FactoryComponentContract in Out Mode" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * Validates the ValidFactoryComponentContractType constraint of '<em>Invocation Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocationContract_ValidFactoryComponentContractType(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocationContract.getFactoryComponentContract() == null || invocationContract.getFactoryComponentContract().getType() == null) {
      return true;
    }
    if (invocationContract.getInvokedContract() == null || invocationContract.getInvokedContract().getType() == null) {
      return true;
    }
    Type type = invocationContract.getType();
    if (type == null) {
      type = invocationContract.getInvokedContract().getType();
    }
    if (ClassHelper.asSubClass(invocationContract.getFactoryComponentContract().getType().getType(), type.getType()) == false) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidFactoryComponentContractType", getObjectLabel(invocationContract, context), "FactoryComponentContract Type is not a subtype of Invoked Contract Type" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * Validates the ValidOrchestrationParameter constraint of '<em>Invocation Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocationContract_ValidOrchestrationParameter(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocationContract.getOrchestrationParameter() == null || invocationContract.getInvokedContract() == null) {
      return true;
    }
    if (invocationContract.getInvokedContract().getMode() == ContractMode.OUT) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidOrchestrationParameter", getObjectLabel(invocationContract, context), "InvocationContract in Out Mode couldn't be assigned to an OrchestrationParameter" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    if (invocationContract.getSourceInvocationContract() != null) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidOrchestrationParameter", getObjectLabel(invocationContract, context), "InvocationContract assigned to a SourceInvocationContract couldn't be assigned to an OrchestrationParameter" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    if (invocationContract.getFactoryComponentContract() != null && invocationContract.getFactoryComponentContract().getMode() != ContractMode.OUT) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidOrchestrationParameter", getObjectLabel(invocationContract, context), "FactoryComponentContract should be in Out Mode when an InvocationContract is assigned to an OrchestrationParameter and a FactoryComponentContract" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * Validates the ValidOrchestrationParameterType constraint of '<em>Invocation Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocationContract_ValidOrchestrationParameterType(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocationContract.getOrchestrationParameter() == null || invocationContract.getOrchestrationParameter().getType() == null || invocationContract.getInvokedContract() == null || invocationContract.getInvokedContract().getType() == null) {
      return true;
    }
    Type type = invocationContract.getType();
    if (type == null) {
      type = invocationContract.getInvokedContract().getType();
    }
    if (ClassHelper.asSubClass(invocationContract.getOrchestrationParameter().getType().getType(), type.getType()) == false) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidOrchestrationParameterType", getObjectLabel(invocationContract, context), "OrchestrationParameter Type is not a subtype of Invoked Contract Type" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * Validates the ValidSourceInvocationContract constraint of '<em>Invocation Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocationContract_ValidSourceInvocationContract(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocationContract.getSourceInvocationContract() == null || invocationContract.getInvokedContract() == null) {
      return true;
    }
    if (invocationContract.getInvokedContract().getMode() == ContractMode.OUT) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidSourceInvocationContract", getObjectLabel(invocationContract, context), "InvocationContract in Out Mode couldn't be assigned to a SourceInvocationContract" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    if (invocationContract.getFactoryComponentContract() != null && invocationContract.getFactoryComponentContract().getMode() != ContractMode.OUT) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidSourceInvocationContract", getObjectLabel(invocationContract, context), "InvocationContract with a SourceInvocationContract couldn't be assigned to a FactoryComponentContract in In or In_Out Mode" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * Validates the ValidSourceInvocationContractType constraint of '<em>Invocation Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocationContract_ValidSourceInvocationContractType(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocationContract.getSourceInvocationContract() == null || invocationContract.getSourceInvocationContract().getInvokedContract() == null || invocationContract.getSourceInvocationContract().getInvokedContract().getType() == null) {
      return true;
    }
    Type sourceType = invocationContract.getSourceInvocationContract().getType();
    if (sourceType == null) {
      sourceType = invocationContract.getSourceInvocationContract().getInvokedContract().getType();
    }
    if (invocationContract.getInvokedContract() == null || invocationContract.getInvokedContract().getType() == null) {
      return true;
    }
    Type type = invocationContract.getType();
    if (type == null) {
      type = invocationContract.getInvokedContract().getType();
    }
    if (ClassHelper.asSubClass(sourceType.getType(), type.getType()) == false) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "ValidSourceInvocationContractType", getObjectLabel(invocationContract, context), "InvocationContract Type and SourceInvocationContract Type mismatch" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * Validates the UselessTypeValue constraint of '<em>Invocation Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocationContract_UselessTypeValue(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocationContract.getType() == null || invocationContract.getType().getValue() == null) {
      return true;
    }
    if ((invocationContract.getInvokedMode() == ContractMode.IN || invocationContract.getInvokedMode() == ContractMode.IN_OUT)) {
      if (invocationContract.getOrchestrationParameter() != null && invocationContract.getOrchestrationParameter().getType() != null && invocationContract.getOrchestrationParameter().getType().getValue() != null) {
        if (diagnostics != null) {
          diagnostics.add(createDiagnostic(Diagnostic.WARNING, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
              new Object[] { "UselessTypeValue", getObjectLabel(invocationContract, context), "InvocationContract is used in an OrchestrationParameter. Default OrchestrationParameter Type Value will supersede InvocationContract Type Value" }, //$NON-NLS-1$ //$NON-NLS-2$
              new Object[] { invocationContract }, context));
          return false;
        }
      }
      if (invocationContract.getFactoryComponentContract() != null && (invocationContract.getFactoryComponentContract().getMode() == ContractMode.IN || invocationContract.getFactoryComponentContract().getMode() == ContractMode.IN_OUT)) {
        if (invocationContract.getFactoryComponentContract().isMandatory()) {
          if (diagnostics != null) {
            diagnostics.add(createDiagnostic(Diagnostic.WARNING, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
                new Object[] { "UselessTypeValue", getObjectLabel(invocationContract, context), "InvocationContract is used in a mandatory FactoryComponentContract. FactoryComponentContract Type Value will supersede InvocationContract Type Value" }, //$NON-NLS-1$ //$NON-NLS-2$
                new Object[] { invocationContract }, context));
            return false;
          }
        } else if (invocationContract.getFactoryComponentContract().getType() != null && invocationContract.getFactoryComponentContract().getType().getValue() != null) {
          if (diagnostics != null) {
            diagnostics.add(createDiagnostic(Diagnostic.WARNING, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
                new Object[] { "UselessTypeValue", getObjectLabel(invocationContract, context), "InvocationContract is used in a FactoryComponentContract. Default FactoryComponentContract Type Value will supersede InvocationContract Type Value" }, //$NON-NLS-1$ //$NON-NLS-2$
                new Object[] { invocationContract }, context));
            return false;
          }
        }
      }
    }
    return true;
  }

  /**
   * Validates the UselessInvocationContract constraint of '<em>Invocation Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateInvocationContract_UselessInvocationContract(InvocationContract invocationContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (invocationContract.getInvokedMode() == ContractMode.OUT) {
      return true;
    }
    if (invocationContract.getOrchestrationParameter() == null && invocationContract.getFactoryComponentContract() == null && invocationContract.getSourceInvocationContract() == null) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.WARNING, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "UselessInvocationContract", getObjectLabel(invocationContract, context), "InvocationContract has no input" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { invocationContract }, context));
        return false;
      }
    }
    return true;
  }

  /**
   * Validates the UniqueName constraint of '<em>Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateContract_UniqueName(Contract contract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (contract.getName() == null) {
      return true;
    }
    // Verify if name is unique in its contract container
    boolean collapse = false;
    for (Contract innerContract : contract.getContracts()) {
      // Ignore ourself
      if (innerContract == contract) {
        continue;
      }
      // Ignore mutually exclusive conditions
      if ((contract.getMode() == ContractMode.IN && innerContract.getMode() == ContractMode.OUT) || (contract.getMode() == ContractMode.OUT && innerContract.getMode() == ContractMode.IN)) {
        continue;
      }
      // Collapse
      if (contract.getName().equals(innerContract.getName())) {
        collapse = true;
        break;
      }
    }
    if (collapse) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "UniqueName", getObjectLabel(contract, context), "Contract Name should be unique in its ContractContainer" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { contract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * Validates the UselessMandatoryMode constraint of '<em>Contract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateContract_UselessMandatoryMode(Contract contract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (contract.isMandatory() == false || contract.getType() == null || contract.getType().getValue() == null) {
      return true;
    }
    if (diagnostics != null) {
      diagnostics.add(createDiagnostic(Diagnostic.WARNING, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
          new Object[] { "UselessMandatoryMode", getObjectLabel(contract, context), "A Mandatory Contract with a default value is always true" }, //$NON-NLS-1$ //$NON-NLS-2$
          new Object[] { contract }, context));
    }
    return false;
  }

  /**
   * Validates the OutModeIsRestricted constraint of '<em>FactoryComponentContract</em>'.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated NOT
   */
  public boolean validateFactoryComponentContract_OutModeIsRestricted(FactoryComponentContract factoryComponentContract, DiagnosticChain diagnostics, Map<Object, Object> context) {
    if (factoryComponentContract.getMode() == ContractMode.IN || factoryComponentContract.getInvocationContracts() == null) {
      return true;
    }
    if (factoryComponentContract.getInvocationContracts().size() > 1) {
      if (diagnostics != null) {
        diagnostics.add(createDiagnostic(Diagnostic.ERROR, DIAGNOSTIC_SOURCE, 0, "_UI_EGFConstraint_diagnostic", //$NON-NLS-1$
            new Object[] { "OutModeIsRestricted", getObjectLabel(factoryComponentContract, context), "FactoryComponentContract in Out or In_Out Mode should only have one assigned InvocationContract" }, //$NON-NLS-1$ //$NON-NLS-2$
            new Object[] { factoryComponentContract }, context));
      }
      return false;
    }
    return true;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean validateContractMode(ContractMode contractMode, DiagnosticChain diagnostics, Map<Object, Object> context) {
    return true;
  }

  /**
   * Returns the resource locator that will be used to fetch messages for this validator's diagnostics.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * 
   * @generated
   */
  @Override
  public ResourceLocator getResourceLocator() {
    return EGFModelPlugin.INSTANCE;
  }

  /**
   * If we have a context map, record this object's <code>status</code> in it
   * so that we will know later that we have processed it and its sub-tree.
   * 
   * @param eObject
   *          an element that we have validated
   * @param context
   *          the context (may be <code>null</code>)
   * @param status
   *          the element's validation status
   *          <!-- begin-user-doc -->
   *          <!-- end-user-doc -->
   * @generated
   */
  private void processed(EObject eObject, Map<Object, Object> context, IStatus status) {
    if (context != null) {
      context.put(eObject, status);
    }
  }

  /**
   * Determines whether we have processed this <code>eObject</code> before,
   * by automatic recursion of the EMF Model Validation Service. This is
   * only possible if we do, indeed, have a context.
   * 
   * @param eObject
   *          an element to be validated (we hope not)
   * @param context
   *          the context (may be <code>null</code>)
   * @return <code>true</code> if the context is not <code>null</code> and
   *         the <code>eObject</code> or one of its containers has already been
   *         validated; <code>false</code>, otherwise
   *         <!-- begin-user-doc -->
   *         <!-- end-user-doc -->
   * @generated
   */
  private boolean hasProcessed(EObject eObject, Map<Object, Object> context) {
    boolean result = false;
    if (context != null) {
      // this is O(NlogN) but there's no helping it
      while (eObject != null) {
        if (context.containsKey(eObject)) {
          result = true;
          eObject = null;
        } else {
          eObject = eObject.eContainer();
        }
      }
    }
    return result;
  }

  /**
   * Converts a status result from the EMF validation service to diagnostics.
   * 
   * @param status
   *          the EMF validation service's status result
   * @param diagnostics
   *          a diagnostic chain to accumulate results on
   *          <!-- begin-user-doc -->
   *          <!-- end-user-doc -->
   * @generated
   */
  private void appendDiagnostics(IStatus status, DiagnosticChain diagnostics) {
    if (status.isMultiStatus()) {
      IStatus[] children = status.getChildren();
      for (int i = 0; i < children.length; i++) {
        appendDiagnostics(children[i], diagnostics);
      }
    } else if (status instanceof IConstraintStatus) {
      diagnostics.add(new BasicDiagnostic(status.getSeverity(), status.getPlugin(), status.getCode(), status.getMessage(), ((IConstraintStatus) status).getResultLocus().toArray()));
    }
  }
} // FcoreValidator