SlotImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package orgomg.cwm.objectmodel.instance.impl;

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

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;

import orgomg.cwm.objectmodel.core.CorePackage;
import orgomg.cwm.objectmodel.core.StructuralFeature;

import orgomg.cwm.objectmodel.core.impl.ModelElementImpl;

import orgomg.cwm.objectmodel.instance.Instance;
import orgomg.cwm.objectmodel.instance.InstancePackage;
import orgomg.cwm.objectmodel.instance.Slot;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Slot</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link orgomg.cwm.objectmodel.instance.impl.SlotImpl#getValue <em>Value</em>}</li>
 *   <li>{@link orgomg.cwm.objectmodel.instance.impl.SlotImpl#getObject <em>Object</em>}</li>
 *   <li>{@link orgomg.cwm.objectmodel.instance.impl.SlotImpl#getFeature <em>Feature</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class SlotImpl extends ModelElementImpl implements Slot {
	/**
	 * The cached value of the '{@link #getValue() <em>Value</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getValue()
	 * @generated
	 * @ordered
	 */
	protected Instance value;

	/**
	 * The cached value of the '{@link #getFeature() <em>Feature</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFeature()
	 * @generated
	 * @ordered
	 */
	protected StructuralFeature feature;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Instance getValue() {
		if (value != null && value.eIsProxy()) {
			InternalEObject oldValue = (InternalEObject)value;
			value = (Instance)eResolveProxy(oldValue);
			if (value != oldValue) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, InstancePackage.SLOT__VALUE, oldValue, value));
			}
		}
		return value;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Instance basicGetValue() {
		return value;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetValue(Instance newValue, NotificationChain msgs) {
		Instance oldValue = value;
		value = newValue;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, InstancePackage.SLOT__VALUE, oldValue, newValue);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setValue(Instance newValue) {
		if (newValue != value) {
			NotificationChain msgs = null;
			if (value != null)
				msgs = ((InternalEObject)value).eInverseRemove(this, InstancePackage.INSTANCE__VALUE_SLOT, Instance.class, msgs);
			if (newValue != null)
				msgs = ((InternalEObject)newValue).eInverseAdd(this, InstancePackage.INSTANCE__VALUE_SLOT, Instance.class, msgs);
			msgs = basicSetValue(newValue, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, InstancePackage.SLOT__VALUE, newValue, newValue));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public orgomg.cwm.objectmodel.instance.Object getObject() {
		if (eContainerFeatureID() != InstancePackage.SLOT__OBJECT) return null;
		return (orgomg.cwm.objectmodel.instance.Object)eContainer();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetObject(orgomg.cwm.objectmodel.instance.Object newObject, NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject)newObject, InstancePackage.SLOT__OBJECT, msgs);
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setObject(orgomg.cwm.objectmodel.instance.Object newObject) {
		if (newObject != eInternalContainer() || (eContainerFeatureID() != InstancePackage.SLOT__OBJECT && newObject != null)) {
			if (EcoreUtil.isAncestor(this, newObject))
				throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
			NotificationChain msgs = null;
			if (eInternalContainer() != null)
				msgs = eBasicRemoveFromContainer(msgs);
			if (newObject != null)
				msgs = ((InternalEObject)newObject).eInverseAdd(this, InstancePackage.OBJECT__SLOT, orgomg.cwm.objectmodel.instance.Object.class, msgs);
			msgs = basicSetObject(newObject, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, InstancePackage.SLOT__OBJECT, newObject, newObject));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public StructuralFeature getFeature() {
		if (feature != null && feature.eIsProxy()) {
			InternalEObject oldFeature = (InternalEObject)feature;
			feature = (StructuralFeature)eResolveProxy(oldFeature);
			if (feature != oldFeature) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, InstancePackage.SLOT__FEATURE, oldFeature, feature));
			}
		}
		return feature;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public StructuralFeature basicGetFeature() {
		return feature;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetFeature(StructuralFeature newFeature, NotificationChain msgs) {
		StructuralFeature oldFeature = feature;
		feature = newFeature;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, InstancePackage.SLOT__FEATURE, oldFeature, newFeature);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setFeature(StructuralFeature newFeature) {
		if (newFeature != feature) {
			NotificationChain msgs = null;
			if (feature != null)
				msgs = ((InternalEObject)feature).eInverseRemove(this, CorePackage.STRUCTURAL_FEATURE__SLOT, StructuralFeature.class, msgs);
			if (newFeature != null)
				msgs = ((InternalEObject)newFeature).eInverseAdd(this, CorePackage.STRUCTURAL_FEATURE__SLOT, StructuralFeature.class, msgs);
			msgs = basicSetFeature(newFeature, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, InstancePackage.SLOT__FEATURE, newFeature, newFeature));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case InstancePackage.SLOT__VALUE:
				if (value != null)
					msgs = ((InternalEObject)value).eInverseRemove(this, InstancePackage.INSTANCE__VALUE_SLOT, Instance.class, msgs);
				return basicSetValue((Instance)otherEnd, msgs);
			case InstancePackage.SLOT__OBJECT:
				if (eInternalContainer() != null)
					msgs = eBasicRemoveFromContainer(msgs);
				return basicSetObject((orgomg.cwm.objectmodel.instance.Object)otherEnd, msgs);
			case InstancePackage.SLOT__FEATURE:
				if (feature != null)
					msgs = ((InternalEObject)feature).eInverseRemove(this, CorePackage.STRUCTURAL_FEATURE__SLOT, StructuralFeature.class, msgs);
				return basicSetFeature((StructuralFeature)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 InstancePackage.SLOT__VALUE:
				return basicSetValue(null, msgs);
			case InstancePackage.SLOT__OBJECT:
				return basicSetObject(null, msgs);
			case InstancePackage.SLOT__FEATURE:
				return basicSetFeature(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
		switch (eContainerFeatureID()) {
			case InstancePackage.SLOT__OBJECT:
				return eInternalContainer().eInverseRemove(this, InstancePackage.OBJECT__SLOT, orgomg.cwm.objectmodel.instance.Object.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 InstancePackage.SLOT__VALUE:
				if (resolve) return getValue();
				return basicGetValue();
			case InstancePackage.SLOT__OBJECT:
				return getObject();
			case InstancePackage.SLOT__FEATURE:
				if (resolve) return getFeature();
				return basicGetFeature();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case InstancePackage.SLOT__VALUE:
				setValue((Instance)newValue);
				return;
			case InstancePackage.SLOT__OBJECT:
				setObject((orgomg.cwm.objectmodel.instance.Object)newValue);
				return;
			case InstancePackage.SLOT__FEATURE:
				setFeature((StructuralFeature)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case InstancePackage.SLOT__VALUE:
				setValue((Instance)null);
				return;
			case InstancePackage.SLOT__OBJECT:
				setObject((orgomg.cwm.objectmodel.instance.Object)null);
				return;
			case InstancePackage.SLOT__FEATURE:
				setFeature((StructuralFeature)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case InstancePackage.SLOT__VALUE:
				return value != null;
			case InstancePackage.SLOT__OBJECT:
				return getObject() != null;
			case InstancePackage.SLOT__FEATURE:
				return feature != null;
		}
		return super.eIsSet(featureID);
	}

} //SlotImpl