SpecAttributeImpl.java

/**
 */
package org.erlide.erlang.impl;

import java.util.Collection;

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.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;
import org.erlide.erlang.ErlangPackage;
import org.erlide.erlang.FunRef;
import org.erlide.erlang.SpecAttribute;
import org.erlide.erlang.TypeSig;

/**
 * <!-- begin-user-doc --> An implementation of the model object '
 * <em><b>Spec Attribute</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 * <li>{@link org.erlide.erlang.impl.SpecAttributeImpl#getRef <em>Ref</em>}</li>
 * <li>{@link org.erlide.erlang.impl.SpecAttributeImpl#getSignatures <em>
 * Signatures</em>}</li>
 * </ul>
 *
 * @generated
 */
public class SpecAttributeImpl extends AbstractTypeAttributeImpl implements
        SpecAttribute {
    /**
     * The cached value of the '{@link #getRef() <em>Ref</em>}' containment
     * reference. <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @see #getRef()
     * @generated
     * @ordered
     */
    protected FunRef ref;

    /**
     * The cached value of the '{@link #getSignatures() <em>Signatures</em>}'
     * containment reference list. <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @see #getSignatures()
     * @generated
     * @ordered
     */
    protected EList<TypeSig> signatures;

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

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    @Override
    protected EClass eStaticClass() {
        return ErlangPackage.Literals.SPEC_ATTRIBUTE;
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    @Override
    public FunRef getRef() {
        return ref;
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    public NotificationChain basicSetRef(final FunRef newRef,
            NotificationChain msgs) {
        final FunRef oldRef = ref;
        ref = newRef;
        if (eNotificationRequired()) {
            final ENotificationImpl notification = new ENotificationImpl(this,
                    Notification.SET, ErlangPackage.SPEC_ATTRIBUTE__REF,
                    oldRef, newRef);
            if (msgs == null) {
                msgs = notification;
            } else {
                msgs.add(notification);
            }
        }
        return msgs;
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    @Override
    public void setRef(final FunRef newRef) {
        if (newRef != ref) {
            NotificationChain msgs = null;
            if (ref != null) {
                msgs = ((InternalEObject) ref)
                        .eInverseRemove(this, EOPPOSITE_FEATURE_BASE
                                - ErlangPackage.SPEC_ATTRIBUTE__REF, null, msgs);
            }
            if (newRef != null) {
                msgs = ((InternalEObject) newRef)
                        .eInverseAdd(this, EOPPOSITE_FEATURE_BASE
                                - ErlangPackage.SPEC_ATTRIBUTE__REF, null, msgs);
            }
            msgs = basicSetRef(newRef, msgs);
            if (msgs != null) {
                msgs.dispatch();
            }
        } else if (eNotificationRequired()) {
            eNotify(new ENotificationImpl(this, Notification.SET,
                    ErlangPackage.SPEC_ATTRIBUTE__REF, newRef, newRef));
        }
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    @Override
    public EList<TypeSig> getSignatures() {
        if (signatures == null) {
            signatures = new EObjectContainmentEList<TypeSig>(TypeSig.class,
                    this, ErlangPackage.SPEC_ATTRIBUTE__SIGNATURES);
        }
        return signatures;
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    @Override
    public NotificationChain eInverseRemove(final InternalEObject otherEnd,
            final int featureID, final NotificationChain msgs) {
        switch (featureID) {
        case ErlangPackage.SPEC_ATTRIBUTE__REF:
            return basicSetRef(null, msgs);
        case ErlangPackage.SPEC_ATTRIBUTE__SIGNATURES:
            return ((InternalEList<?>) getSignatures()).basicRemove(otherEnd,
                    msgs);
        }
        return super.eInverseRemove(otherEnd, featureID, msgs);
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    @Override
    public Object eGet(final int featureID, final boolean resolve,
            final boolean coreType) {
        switch (featureID) {
        case ErlangPackage.SPEC_ATTRIBUTE__REF:
            return getRef();
        case ErlangPackage.SPEC_ATTRIBUTE__SIGNATURES:
            return getSignatures();
        }
        return super.eGet(featureID, resolve, coreType);
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    @SuppressWarnings("unchecked")
    @Override
    public void eSet(final int featureID, final Object newValue) {
        switch (featureID) {
        case ErlangPackage.SPEC_ATTRIBUTE__REF:
            setRef((FunRef) newValue);
            return;
        case ErlangPackage.SPEC_ATTRIBUTE__SIGNATURES:
            getSignatures().clear();
            getSignatures().addAll((Collection<? extends TypeSig>) newValue);
            return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    @Override
    public void eUnset(final int featureID) {
        switch (featureID) {
        case ErlangPackage.SPEC_ATTRIBUTE__REF:
            setRef((FunRef) null);
            return;
        case ErlangPackage.SPEC_ATTRIBUTE__SIGNATURES:
            getSignatures().clear();
            return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    @Override
    public boolean eIsSet(final int featureID) {
        switch (featureID) {
        case ErlangPackage.SPEC_ATTRIBUTE__REF:
            return ref != null;
        case ErlangPackage.SPEC_ATTRIBUTE__SIGNATURES:
            return signatures != null && !signatures.isEmpty();
        }
        return super.eIsSet(featureID);
    }

} // SpecAttributeImpl