/**
* Copyright (c) 2002-2006 IBM Corporation and others.
* 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:
* IBM - Initial API and implementation
*/
package org.eclipse.emf.mapping.impl;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.AbstractTreeIterator;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.EObjectImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList;
import org.eclipse.emf.ecore.util.EObjectResolvingEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.emf.mapping.Mapping;
import org.eclipse.emf.mapping.MappingHelper;
import org.eclipse.emf.mapping.MappingPackage;
import org.eclipse.emf.mapping.MappingRoot;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Mapping</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.emf.mapping.impl.MappingImpl#getHelper <em>Helper</em>}</li>
* <li>{@link org.eclipse.emf.mapping.impl.MappingImpl#getNested <em>Nested</em>}</li>
* <li>{@link org.eclipse.emf.mapping.impl.MappingImpl#getNestedIn <em>Nested In</em>}</li>
* <li>{@link org.eclipse.emf.mapping.impl.MappingImpl#getInputs <em>Inputs</em>}</li>
* <li>{@link org.eclipse.emf.mapping.impl.MappingImpl#getOutputs <em>Outputs</em>}</li>
* <li>{@link org.eclipse.emf.mapping.impl.MappingImpl#getTypeMapping <em>Type Mapping</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class MappingImpl extends EObjectImpl implements Mapping
{
/**
* The cached value of the '{@link #getHelper() <em>Helper</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getHelper()
* @generated
* @ordered
*/
protected MappingHelper helper;
/**
* The cached value of the '{@link #getNested() <em>Nested</em>}' containment reference list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getNested()
* @generated
* @ordered
*/
protected EList<Mapping> nested;
/**
* The cached value of the '{@link #getInputs() <em>Inputs</em>}' reference list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getInputs()
* @generated
* @ordered
*/
protected EList<EObject> inputs;
/**
* The cached value of the '{@link #getOutputs() <em>Outputs</em>}' reference list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getOutputs()
* @generated
* @ordered
*/
protected EList<EObject> outputs;
/**
* The cached value of the '{@link #getTypeMapping() <em>Type Mapping</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getTypeMapping()
* @generated
* @ordered
*/
protected Mapping typeMapping;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected MappingImpl()
{
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass()
{
return MappingPackage.Literals.MAPPING;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public MappingHelper getHelper()
{
return helper;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetHelper(MappingHelper newHelper, NotificationChain msgs)
{
MappingHelper oldHelper = helper;
helper = newHelper;
if (eNotificationRequired())
{
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, MappingPackage.MAPPING__HELPER, oldHelper, newHelper);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setHelper(MappingHelper newHelper)
{
if (newHelper != helper)
{
NotificationChain msgs = null;
if (helper != null)
msgs = ((InternalEObject)helper).eInverseRemove(this, MappingPackage.MAPPING_HELPER__MAPPER, MappingHelper.class, msgs);
if (newHelper != null)
msgs = ((InternalEObject)newHelper).eInverseAdd(this, MappingPackage.MAPPING_HELPER__MAPPER, MappingHelper.class, msgs);
msgs = basicSetHelper(newHelper, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, MappingPackage.MAPPING__HELPER, newHelper, newHelper));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EList<Mapping> getNested()
{
if (nested == null)
{
nested = new EObjectContainmentWithInverseEList<Mapping>(Mapping.class, this, MappingPackage.MAPPING__NESTED, MappingPackage.MAPPING__NESTED_IN);
}
return nested;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Mapping getNestedIn()
{
if (eContainerFeatureID() != MappingPackage.MAPPING__NESTED_IN) return null;
return (Mapping)eContainer();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetNestedIn(Mapping newNestedIn, NotificationChain msgs)
{
msgs = eBasicSetContainer((InternalEObject)newNestedIn, MappingPackage.MAPPING__NESTED_IN, msgs);
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setNestedIn(Mapping newNestedIn)
{
if (newNestedIn != eInternalContainer() || (eContainerFeatureID() != MappingPackage.MAPPING__NESTED_IN && newNestedIn != null))
{
if (EcoreUtil.isAncestor(this, newNestedIn))
throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
NotificationChain msgs = null;
if (eInternalContainer() != null)
msgs = eBasicRemoveFromContainer(msgs);
if (newNestedIn != null)
msgs = ((InternalEObject)newNestedIn).eInverseAdd(this, MappingPackage.MAPPING__NESTED, Mapping.class, msgs);
msgs = basicSetNestedIn(newNestedIn, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, MappingPackage.MAPPING__NESTED_IN, newNestedIn, newNestedIn));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EList<EObject> getInputs()
{
if (inputs == null)
{
inputs = new EObjectResolvingEList<EObject>(EObject.class, this, MappingPackage.MAPPING__INPUTS);
}
return inputs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EList<EObject> getOutputs()
{
if (outputs == null)
{
outputs = new EObjectResolvingEList<EObject>(EObject.class, this, MappingPackage.MAPPING__OUTPUTS);
}
return outputs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Mapping getTypeMapping()
{
if (typeMapping != null && typeMapping.eIsProxy())
{
InternalEObject oldTypeMapping = (InternalEObject)typeMapping;
typeMapping = (Mapping)eResolveProxy(oldTypeMapping);
if (typeMapping != oldTypeMapping)
{
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, MappingPackage.MAPPING__TYPE_MAPPING, oldTypeMapping, typeMapping));
}
}
return typeMapping;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Mapping basicGetTypeMapping()
{
return typeMapping;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setTypeMapping(Mapping newTypeMapping)
{
Mapping oldTypeMapping = typeMapping;
typeMapping = newTypeMapping;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, MappingPackage.MAPPING__TYPE_MAPPING, oldTypeMapping, typeMapping));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs)
{
switch (featureID)
{
case MappingPackage.MAPPING__HELPER:
if (helper != null)
msgs = ((InternalEObject)helper).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - MappingPackage.MAPPING__HELPER, null, msgs);
return basicSetHelper((MappingHelper)otherEnd, msgs);
case MappingPackage.MAPPING__NESTED:
return ((InternalEList<InternalEObject>)(InternalEList<?>)getNested()).basicAdd(otherEnd, msgs);
case MappingPackage.MAPPING__NESTED_IN:
if (eInternalContainer() != null)
msgs = eBasicRemoveFromContainer(msgs);
return basicSetNestedIn((Mapping)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 MappingPackage.MAPPING__HELPER:
return basicSetHelper(null, msgs);
case MappingPackage.MAPPING__NESTED:
return ((InternalEList<?>)getNested()).basicRemove(otherEnd, msgs);
case MappingPackage.MAPPING__NESTED_IN:
return basicSetNestedIn(null, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs)
{
switch (eContainerFeatureID())
{
case MappingPackage.MAPPING__NESTED_IN:
return eInternalContainer().eInverseRemove(this, MappingPackage.MAPPING__NESTED, Mapping.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 MappingPackage.MAPPING__HELPER:
return getHelper();
case MappingPackage.MAPPING__NESTED:
return getNested();
case MappingPackage.MAPPING__NESTED_IN:
return getNestedIn();
case MappingPackage.MAPPING__INPUTS:
return getInputs();
case MappingPackage.MAPPING__OUTPUTS:
return getOutputs();
case MappingPackage.MAPPING__TYPE_MAPPING:
if (resolve) return getTypeMapping();
return basicGetTypeMapping();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public void eSet(int featureID, Object newValue)
{
switch (featureID)
{
case MappingPackage.MAPPING__HELPER:
setHelper((MappingHelper)newValue);
return;
case MappingPackage.MAPPING__NESTED:
getNested().clear();
getNested().addAll((Collection<? extends Mapping>)newValue);
return;
case MappingPackage.MAPPING__NESTED_IN:
setNestedIn((Mapping)newValue);
return;
case MappingPackage.MAPPING__INPUTS:
getInputs().clear();
getInputs().addAll((Collection<? extends EObject>)newValue);
return;
case MappingPackage.MAPPING__OUTPUTS:
getOutputs().clear();
getOutputs().addAll((Collection<? extends EObject>)newValue);
return;
case MappingPackage.MAPPING__TYPE_MAPPING:
setTypeMapping((Mapping)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID)
{
switch (featureID)
{
case MappingPackage.MAPPING__HELPER:
setHelper((MappingHelper)null);
return;
case MappingPackage.MAPPING__NESTED:
getNested().clear();
return;
case MappingPackage.MAPPING__NESTED_IN:
setNestedIn((Mapping)null);
return;
case MappingPackage.MAPPING__INPUTS:
getInputs().clear();
return;
case MappingPackage.MAPPING__OUTPUTS:
getOutputs().clear();
return;
case MappingPackage.MAPPING__TYPE_MAPPING:
setTypeMapping((Mapping)null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID)
{
switch (featureID)
{
case MappingPackage.MAPPING__HELPER:
return helper != null;
case MappingPackage.MAPPING__NESTED:
return nested != null && !nested.isEmpty();
case MappingPackage.MAPPING__NESTED_IN:
return getNestedIn() != null;
case MappingPackage.MAPPING__INPUTS:
return inputs != null && !inputs.isEmpty();
case MappingPackage.MAPPING__OUTPUTS:
return outputs != null && !outputs.isEmpty();
case MappingPackage.MAPPING__TYPE_MAPPING:
return typeMapping != null;
}
return super.eIsSet(featureID);
}
public Collection<? extends EObject> getMappedObjects()
{
Collection<EObject> result = new HashSet<EObject>();
result.addAll(getInputs());
result.addAll(getOutputs());
return result;
}
public MappingRoot getMappingRoot()
{
Mapping mapping = this;
while (mapping != null && !(mapping instanceof MappingRoot))
{
mapping = mapping.getNestedIn();
}
return (MappingRoot)mapping;
}
public MappingHelper getEffectiveHelper()
{
MappingHelper helper = getHelper();
if (helper == null && getTypeMapping() != null)
{
helper = getTypeMapping().getHelper();
}
return helper;
}
public boolean isReverse()
{
Mapping mapping = getNestedIn();
if (mapping != null)
{
return mapping.isReverse();
}
return false;
}
public EList<EObject> getSenders()
{
return
isReverse() ?
getOutputs() :
getInputs();
}
public EList<EObject> getReceivers()
{
return
isReverse() ?
getInputs() :
getOutputs();
}
public EList<EObject> getTops()
{
MappingRoot mappingRoot = getMappingRoot();
return
mappingRoot == null || mappingRoot.isTopToBottom() ?
getInputs() :
getOutputs();
}
public EList<EObject> getBottoms()
{
MappingRoot mappingRoot = getMappingRoot();
return
mappingRoot == null || mappingRoot.isTopToBottom() ?
getOutputs() :
getInputs();
}
/**
* This implements a tree iterator that will iterate over a mapping, all it's nested mappings, all their nested mappings, and so on.
*/
public static class MappingTreeIterator extends AbstractTreeIterator<Mapping>
{
private static final long serialVersionUID = 1L;
/**
* This creates a tree iterator that will iterate over a mapping, all it's nested mappings, all their nested mappings, and so on.
*/
public MappingTreeIterator(Mapping mapping)
{
super(mapping);
}
/**
* This creates a tree iterator that will iterate over a mapping (but only if includeRoot is true),
* all it's nested mappings, all their nested mappings, and so on.
*/
public MappingTreeIterator(Mapping mapping, boolean includeRoot)
{
super(mapping, includeRoot);
}
@Override
protected Iterator<Mapping> getChildren(Object o)
{
return ((Mapping)o).getNested().iterator();
}
@Override
public void remove()
{
// We either remove the root mapping or we use the iterator that returned the most recent next mapping.
//
if (nextRemoveIterator == null)
{
((Mapping)object).setNestedIn(null);
}
else
{
super.remove();
}
}
}
public TreeIterator<Mapping> treeIterator()
{
return new MappingTreeIterator(this);
}
public TreeIterator<Mapping> treeIterator(boolean includeRoot)
{
return new MappingTreeIterator(this, includeRoot);
}
@Override
public String toString()
{
StringBuffer result = new StringBuffer(super.toString());
result.append("(inputs: ");
result.append(getInputs());
result.append(", outputs: ");
result.append(getOutputs());
result.append(")");
return result.toString();
}
} //MappingImpl