/**
 * Copyright (c) 2014 Fraunhofer FOKUS
 * 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:
 * Max Bureck
 */
package org.eclipse.upr.bpmnprof.impl;

import java.lang.reflect.InvocationTargetException;

import java.util.Map;

import org.eclipse.emf.common.notify.Notification;

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.EList;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import org.eclipse.emf.ecore.plugin.EcorePlugin;

import org.eclipse.emf.ecore.util.EObjectValidator;

import org.eclipse.uml2.uml.Dependency;

import org.eclipse.upr.bpmnprof.AssociationDirection;
import org.eclipse.upr.bpmnprof.BPMNAssociation;
import org.eclipse.upr.bpmnprof.BaseElement;
import org.eclipse.upr.bpmnprof.BpmnprofPackage;

import org.eclipse.upr.bpmnprof.util.BpmnprofValidator;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>BPMN Association</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.upr.bpmnprof.impl.BPMNAssociationImpl#getBase_Dependency <em>Base Dependency</em>}</li>
 *   <li>{@link org.eclipse.upr.bpmnprof.impl.BPMNAssociationImpl#getAssociationDirection <em>Association Direction</em>}</li>
 *   <li>{@link org.eclipse.upr.bpmnprof.impl.BPMNAssociationImpl#getTargetRef <em>Target Ref</em>}</li>
 *   <li>{@link org.eclipse.upr.bpmnprof.impl.BPMNAssociationImpl#getSourceRef <em>Source Ref</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class BPMNAssociationImpl extends BPMNArtifactImpl implements BPMNAssociation {
	/**
	 * The cached value of the '{@link #getBase_Dependency() <em>Base Dependency</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getBase_Dependency()
	 * @generated
	 * @ordered
	 */
	protected Dependency base_Dependency;

	/**
	 * The default value of the '{@link #getAssociationDirection() <em>Association Direction</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getAssociationDirection()
	 * @generated
	 * @ordered
	 */
	protected static final AssociationDirection ASSOCIATION_DIRECTION_EDEFAULT = AssociationDirection.NONE;

	/**
	 * The cached value of the '{@link #getAssociationDirection() <em>Association Direction</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getAssociationDirection()
	 * @generated
	 * @ordered
	 */
	protected AssociationDirection associationDirection = ASSOCIATION_DIRECTION_EDEFAULT;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected BPMNAssociationImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return BpmnprofPackage.eINSTANCE.getBPMNAssociation();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Dependency getBase_Dependency() {
		if (base_Dependency != null && base_Dependency.eIsProxy()) {
			InternalEObject oldBase_Dependency = (InternalEObject)base_Dependency;
			base_Dependency = (Dependency)eResolveProxy(oldBase_Dependency);
			if (base_Dependency != oldBase_Dependency) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, BpmnprofPackage.BPMN_ASSOCIATION__BASE_DEPENDENCY, oldBase_Dependency, base_Dependency));
			}
		}
		return base_Dependency;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Dependency basicGetBase_Dependency() {
		return base_Dependency;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setBase_Dependency(Dependency newBase_Dependency) {
		Dependency oldBase_Dependency = base_Dependency;
		base_Dependency = newBase_Dependency;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, BpmnprofPackage.BPMN_ASSOCIATION__BASE_DEPENDENCY, oldBase_Dependency, base_Dependency));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public AssociationDirection getAssociationDirection() {
		return associationDirection;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setAssociationDirection(AssociationDirection newAssociationDirection) {
		AssociationDirection oldAssociationDirection = associationDirection;
		associationDirection = newAssociationDirection == null ? ASSOCIATION_DIRECTION_EDEFAULT : newAssociationDirection;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, BpmnprofPackage.BPMN_ASSOCIATION__ASSOCIATION_DIRECTION, oldAssociationDirection, associationDirection));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public BaseElement getTargetRef() {
		BaseElement targetRef = basicGetTargetRef();
		return targetRef != null && targetRef.eIsProxy() ? (BaseElement)eResolveProxy((InternalEObject)targetRef) : targetRef;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public BaseElement basicGetTargetRef() {
		// TODO: implement this method to return the 'Target Ref' reference
		// -> do not perform proxy resolution
		// Ensure that you remove @generated or mark it @generated NOT
		throw new UnsupportedOperationException();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTargetRef(BaseElement newTargetRef) {
		// TODO: implement this method to set the 'Target Ref' reference
		// Ensure that you remove @generated or mark it @generated NOT
		throw new UnsupportedOperationException();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public BaseElement getSourceRef() {
		BaseElement sourceRef = basicGetSourceRef();
		return sourceRef != null && sourceRef.eIsProxy() ? (BaseElement)eResolveProxy((InternalEObject)sourceRef) : sourceRef;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public BaseElement basicGetSourceRef() {
		// TODO: implement this method to return the 'Source Ref' reference
		// -> do not perform proxy resolution
		// Ensure that you remove @generated or mark it @generated NOT
		throw new UnsupportedOperationException();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setSourceRef(BaseElement newSourceRef) {
		// TODO: implement this method to set the 'Source Ref' reference
		// Ensure that you remove @generated or mark it @generated NOT
		throw new UnsupportedOperationException();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean AssociationEnd(DiagnosticChain diagnostics, Map<Object, Object> context) {
		// TODO: implement this method
		// -> specify the condition that violates the invariant
		// -> verify the details of the diagnostic, including severity and message
		// Ensure that you remove @generated or mark it @generated NOT
		if (false) {
			if (diagnostics != null) {
				diagnostics.add
					(new BasicDiagnostic
						(Diagnostic.ERROR,
						 BpmnprofValidator.DIAGNOSTIC_SOURCE,
						 BpmnprofValidator.BPMN_ASSOCIATION__ASSOCIATION_END,
						 EcorePlugin.INSTANCE.getString("_UI_GenericInvariant_diagnostic", new Object[] { "AssociationEnd", EObjectValidator.getObjectLabel(this, context) }),
						 new Object [] { this }));
			}
			return false;
		}
		return true;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case BpmnprofPackage.BPMN_ASSOCIATION__BASE_DEPENDENCY:
				if (resolve) return getBase_Dependency();
				return basicGetBase_Dependency();
			case BpmnprofPackage.BPMN_ASSOCIATION__ASSOCIATION_DIRECTION:
				return getAssociationDirection();
			case BpmnprofPackage.BPMN_ASSOCIATION__TARGET_REF:
				if (resolve) return getTargetRef();
				return basicGetTargetRef();
			case BpmnprofPackage.BPMN_ASSOCIATION__SOURCE_REF:
				if (resolve) return getSourceRef();
				return basicGetSourceRef();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case BpmnprofPackage.BPMN_ASSOCIATION__BASE_DEPENDENCY:
				setBase_Dependency((Dependency)newValue);
				return;
			case BpmnprofPackage.BPMN_ASSOCIATION__ASSOCIATION_DIRECTION:
				setAssociationDirection((AssociationDirection)newValue);
				return;
			case BpmnprofPackage.BPMN_ASSOCIATION__TARGET_REF:
				setTargetRef((BaseElement)newValue);
				return;
			case BpmnprofPackage.BPMN_ASSOCIATION__SOURCE_REF:
				setSourceRef((BaseElement)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case BpmnprofPackage.BPMN_ASSOCIATION__BASE_DEPENDENCY:
				setBase_Dependency((Dependency)null);
				return;
			case BpmnprofPackage.BPMN_ASSOCIATION__ASSOCIATION_DIRECTION:
				setAssociationDirection(ASSOCIATION_DIRECTION_EDEFAULT);
				return;
			case BpmnprofPackage.BPMN_ASSOCIATION__TARGET_REF:
				setTargetRef((BaseElement)null);
				return;
			case BpmnprofPackage.BPMN_ASSOCIATION__SOURCE_REF:
				setSourceRef((BaseElement)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case BpmnprofPackage.BPMN_ASSOCIATION__BASE_DEPENDENCY:
				return base_Dependency != null;
			case BpmnprofPackage.BPMN_ASSOCIATION__ASSOCIATION_DIRECTION:
				return associationDirection != ASSOCIATION_DIRECTION_EDEFAULT;
			case BpmnprofPackage.BPMN_ASSOCIATION__TARGET_REF:
				return basicGetTargetRef() != null;
			case BpmnprofPackage.BPMN_ASSOCIATION__SOURCE_REF:
				return basicGetSourceRef() != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	@SuppressWarnings("unchecked")
	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
		switch (operationID) {
			case BpmnprofPackage.BPMN_ASSOCIATION___ASSOCIATION_END__DIAGNOSTICCHAIN_MAP:
				return AssociationEnd((DiagnosticChain)arguments.get(0), (Map<Object, Object>)arguments.get(1));
		}
		return super.eInvoke(operationID, arguments);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (associationDirection: ");
		result.append(associationDirection);
		result.append(')');
		return result.toString();
	}

} //BPMNAssociationImpl