/**
 * 
 * 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.impl;

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.FcorePackage;
import org.eclipse.egf.model.types.Type;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.UniqueEList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Contract</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.egf.model.fcore.impl.ContractImpl#getContractContainer <em>Contract Container</em>}</li>
 *   <li>{@link org.eclipse.egf.model.fcore.impl.ContractImpl#isMandatory <em>Mandatory</em>}</li>
 *   <li>{@link org.eclipse.egf.model.fcore.impl.ContractImpl#getMode <em>Mode</em>}</li>
 *   <li>{@link org.eclipse.egf.model.fcore.impl.ContractImpl#getType <em>Type</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ContractImpl extends NamedModelElementImpl implements Contract {

    /**
     * The default value of the '{@link #isMandatory() <em>Mandatory</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #isMandatory()
     * @generated
     * @ordered
     */
    protected static final boolean MANDATORY_EDEFAULT = false;

    /**
     * The flag representing the value of the '{@link #isMandatory() <em>Mandatory</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #isMandatory()
     * @generated
     * @ordered
     */
    protected static final int MANDATORY_EFLAG = 1 << 0;

    /**
     * The default value of the '{@link #getMode() <em>Mode</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getMode()
     * @generated
     * @ordered
     */
    protected static final ContractMode MODE_EDEFAULT = ContractMode.IN;

    /**
     * The offset of the flags representing the value of the '{@link #getMode() <em>Mode</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     * @ordered
     */
    protected static final int MODE_EFLAG_OFFSET = 1;

    /**
     * The flags representing the default value of the '{@link #getMode() <em>Mode</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     * @ordered
     */
    protected static final int MODE_EFLAG_DEFAULT = MODE_EDEFAULT.ordinal() << MODE_EFLAG_OFFSET;

    /**
     * The array of enumeration values for '{@link ContractMode Contract Mode}'
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     * @ordered
     */
    private static final ContractMode[] MODE_EFLAG_VALUES = ContractMode.values();

    /**
     * The flags representing the value of the '{@link #getMode() <em>Mode</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getMode()
     * @generated
     * @ordered
     */
    protected static final int MODE_EFLAG = 0x3 << MODE_EFLAG_OFFSET;

    /**
     * The cached value of the '{@link #getType() <em>Type</em>}' containment reference.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getType()
     * @generated
     * @ordered
     */
    protected Type type;

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected ContractImpl() {
        super();
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    protected EClass eStaticClass() {
        return FcorePackage.Literals.CONTRACT;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public ContractContainer getContractContainer() {
        if (eContainerFeatureID() != FcorePackage.CONTRACT__CONTRACT_CONTAINER)
            return null;
        return (ContractContainer) eContainer();
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public NotificationChain basicSetContractContainer(ContractContainer newContractContainer, NotificationChain msgs) {
        msgs = eBasicSetContainer((InternalEObject) newContractContainer, FcorePackage.CONTRACT__CONTRACT_CONTAINER, msgs);
        return msgs;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setContractContainer(ContractContainer newContractContainer) {
        if (newContractContainer != eInternalContainer() || (eContainerFeatureID() != FcorePackage.CONTRACT__CONTRACT_CONTAINER && newContractContainer != null)) {
            if (EcoreUtil.isAncestor(this, newContractContainer))
                throw new IllegalArgumentException("Recursive containment not allowed for " + toString()); //$NON-NLS-1$
            NotificationChain msgs = null;
            if (eInternalContainer() != null)
                msgs = eBasicRemoveFromContainer(msgs);
            if (newContractContainer != null)
                msgs = ((InternalEObject) newContractContainer).eInverseAdd(this, FcorePackage.CONTRACT_CONTAINER__CONTRACTS, ContractContainer.class, msgs);
            msgs = basicSetContractContainer(newContractContainer, msgs);
            if (msgs != null)
                msgs.dispatch();
        } else if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, FcorePackage.CONTRACT__CONTRACT_CONTAINER, newContractContainer, newContractContainer));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public boolean isMandatory() {
        return (flags & MANDATORY_EFLAG) != 0;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setMandatory(boolean newMandatory) {
        boolean oldMandatory = (flags & MANDATORY_EFLAG) != 0;
        if (newMandatory)
            flags |= MANDATORY_EFLAG;
        else
            flags &= ~MANDATORY_EFLAG;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, FcorePackage.CONTRACT__MANDATORY, oldMandatory, newMandatory));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public ContractMode getMode() {
        return MODE_EFLAG_VALUES[(flags & MODE_EFLAG) >>> MODE_EFLAG_OFFSET];
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setMode(ContractMode newMode) {
        ContractMode oldMode = MODE_EFLAG_VALUES[(flags & MODE_EFLAG) >>> MODE_EFLAG_OFFSET];
        if (newMode == null)
            newMode = MODE_EDEFAULT;
        flags = flags & ~MODE_EFLAG | newMode.ordinal() << MODE_EFLAG_OFFSET;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, FcorePackage.CONTRACT__MODE, oldMode, newMode));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public Type getType() {
        return type;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public NotificationChain basicSetType(Type newType, NotificationChain msgs) {
        Type oldType = type;
        type = newType;
        if (eNotificationRequired()) {
            ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, FcorePackage.CONTRACT__TYPE, oldType, newType);
            if (msgs == null)
                msgs = notification;
            else
                msgs.add(notification);
        }
        return msgs;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setType(Type newType) {
        if (newType != type) {
            NotificationChain msgs = null;
            if (type != null)
                msgs = ((InternalEObject) type).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - FcorePackage.CONTRACT__TYPE, null, msgs);
            if (newType != null)
                msgs = ((InternalEObject) newType).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - FcorePackage.CONTRACT__TYPE, null, msgs);
            msgs = basicSetType(newType, msgs);
            if (msgs != null)
                msgs.dispatch();
        } else if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, FcorePackage.CONTRACT__TYPE, newType, newType));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * 
     * @generated NOT
     */
    public Activity getActivity() {
        if (getContractContainer() != null) {
            return getContractContainer().getActivity();
        }
        return null;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * 
     * @generated NOT
     */
    public EList<Contract> getContracts() {
        EList<Contract> contracts = new UniqueEList<Contract>();
        if (getContractContainer() != null) {
            return getContractContainer().getContracts();
        }
        return contracts;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * 
     * @generated NOT
     */
    public EList<Contract> getContracts(Type innerType) {
        EList<Contract> contracts = new UniqueEList<Contract>();
        if (getContractContainer() != null) {
            return getContractContainer().getContracts(innerType);
        }
        return contracts;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * 
     * @generated NOT
     */
    public EList<Contract> getContracts(ContractMode mode) {
        EList<Contract> contracts = new UniqueEList<Contract>();
        if (getContractContainer() != null) {
            return getContractContainer().getContracts(mode);
        }
        return contracts;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * 
     * @generated NOT
     */
    public EList<Contract> getContracts(Type innerType, ContractMode mode) {
        EList<Contract> contracts = new UniqueEList<Contract>();
        if (getContractContainer() != null) {
            return getContractContainer().getContracts(innerType, mode);
        }
        return contracts;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
        switch (featureID) {
            case FcorePackage.CONTRACT__CONTRACT_CONTAINER:
                if (eInternalContainer() != null)
                    msgs = eBasicRemoveFromContainer(msgs);
                return basicSetContractContainer((ContractContainer) otherEnd, msgs);
        }
        return super.eInverseAdd(otherEnd, featureID, msgs);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
        switch (featureID) {
            case FcorePackage.CONTRACT__CONTRACT_CONTAINER:
                return basicSetContractContainer(null, msgs);
            case FcorePackage.CONTRACT__TYPE:
                return basicSetType(null, msgs);
        }
        return super.eInverseRemove(otherEnd, featureID, msgs);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
        switch (eContainerFeatureID()) {
            case FcorePackage.CONTRACT__CONTRACT_CONTAINER:
                return eInternalContainer().eInverseRemove(this, FcorePackage.CONTRACT_CONTAINER__CONTRACTS, ContractContainer.class, msgs);
        }
        return super.eBasicRemoveFromContainerFeature(msgs);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Object eGet(int featureID, boolean resolve, boolean coreType) {
        switch (featureID) {
            case FcorePackage.CONTRACT__CONTRACT_CONTAINER:
                return getContractContainer();
            case FcorePackage.CONTRACT__MANDATORY:
                return isMandatory();
            case FcorePackage.CONTRACT__MODE:
                return getMode();
            case FcorePackage.CONTRACT__TYPE:
                return getType();
        }
        return super.eGet(featureID, resolve, coreType);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eSet(int featureID, Object newValue) {
        switch (featureID) {
            case FcorePackage.CONTRACT__CONTRACT_CONTAINER:
                setContractContainer((ContractContainer) newValue);
                return;
            case FcorePackage.CONTRACT__MANDATORY:
                setMandatory((Boolean) newValue);
                return;
            case FcorePackage.CONTRACT__MODE:
                setMode((ContractMode) newValue);
                return;
            case FcorePackage.CONTRACT__TYPE:
                setType((Type) newValue);
                return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eUnset(int featureID) {
        switch (featureID) {
            case FcorePackage.CONTRACT__CONTRACT_CONTAINER:
                setContractContainer((ContractContainer) null);
                return;
            case FcorePackage.CONTRACT__MANDATORY:
                setMandatory(MANDATORY_EDEFAULT);
                return;
            case FcorePackage.CONTRACT__MODE:
                setMode(MODE_EDEFAULT);
                return;
            case FcorePackage.CONTRACT__TYPE:
                setType((Type) null);
                return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public boolean eIsSet(int featureID) {
        switch (featureID) {
            case FcorePackage.CONTRACT__CONTRACT_CONTAINER:
                return getContractContainer() != null;
            case FcorePackage.CONTRACT__MANDATORY:
                return ((flags & MANDATORY_EFLAG) != 0) != MANDATORY_EDEFAULT;
            case FcorePackage.CONTRACT__MODE:
                return (flags & MODE_EFLAG) != MODE_EFLAG_DEFAULT;
            case FcorePackage.CONTRACT__TYPE:
                return type != null;
        }
        return super.eIsSet(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public String toString() {
        if (eIsProxy())
            return super.toString();

        StringBuffer result = new StringBuffer(super.toString());
        result.append(" (mandatory: "); //$NON-NLS-1$
        result.append((flags & MANDATORY_EFLAG) != 0);
        result.append(", mode: "); //$NON-NLS-1$
        result.append(MODE_EFLAG_VALUES[(flags & MODE_EFLAG) >>> MODE_EFLAG_OFFSET]);
        result.append(')');
        return result.toString();
    }

} // ContractImpl