/*
* Copyright (c) 2003- michael lawley and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public License version 2.1 as published by the Free Software Foundation
* which accompanies this distribution, and is available by writing to
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Contributors:
* michael lawley
*
*
*/
package tefkat.model.impl;
import java.util.Collection;
import java.util.Iterator;
import java.util.NoSuchElementException;
import org.eclipse.emf.common.util.BasicEList;
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.EStructuralFeature;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EDataTypeUniqueEList;
import tefkat.model.ReferenceExtent;
import tefkat.model.TefkatPackage;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Reference Extent</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link tefkat.model.impl.ReferenceExtentImpl#getResources <em>Resources</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class ReferenceExtentImpl extends ExtentImpl implements ReferenceExtent {
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public static final String copyright = "Copyright michael lawley Pty Ltd 2003-2007";
/**
* The cached value of the '{@link #getResources() <em>Resources</em>}' attribute list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getResources()
* @generated
* @ordered
*/
protected EList resources = null;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected ReferenceExtentImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected EClass eStaticClass() {
return TefkatPackage.Literals.REFERENCE_EXTENT;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public boolean contains(EObject instance) {
Resource res = instance.eResource();
return null != res && getResources().contains(res);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public EList getObjectsByClass(EClass theClass, boolean isExactly) {
EList objects = getAllObjectsByClass(theClass, isExactly);
return objects;
}
/**
* @param theClass
* @param isExactly
* @return
*/
private EList getAllObjectsByClass(final EClass theClass, final boolean isExactly) {
EList objects = new BasicEList();
for (final Iterator resItr = getResources().iterator(); resItr.hasNext(); ) {
Resource resource = (Resource) resItr.next();
Iterator itr = resource.getAllContents();
while (itr.hasNext()) {
EObject obj = (EObject) itr.next();
if (null == theClass) {
// null class means no type constraint -- i.e., get all instances
objects.add(obj);
} else {
EClass eClass = obj.eClass();
if ( eClass.equals(theClass) ||
(!isExactly && theClass.isSuperTypeOf(eClass)) ) {
objects.add(obj);
}
}
}
}
return objects;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public TreeIterator getAllContents() {
return new TreeIterator() {
Iterator itr = getResources().iterator();
TreeIterator resItr = nextIterator();
private TreeIterator nextIterator() {
return itr.hasNext() ? ((Resource) itr.next()).getAllContents() : null;
}
public void prune() {
resItr.prune();
}
public void remove() {
throw new UnsupportedOperationException();
}
public boolean hasNext() {
if (!resItr.hasNext()) {
if (itr.hasNext()) {
resItr = nextIterator();
return hasNext();
} else {
return false;
}
} else {
return true;
}
}
public Object next() {
if (!resItr.hasNext()) {
if (itr.hasNext()) {
resItr = nextIterator();
return next();
} else {
throw new NoSuchElementException();
}
} else {
return resItr.next();
}
}
};
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public void add(EObject obj) {
Resource resource = (Resource) getResources().get(0);
if (null == resource) {
throw new IllegalStateException("No encapsulated Resources");
}
resource.getContents().add(obj);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public void remove(EObject obj) {
Resource resource = (Resource) getResources().get(0);
if (null == resource) {
throw new IllegalStateException("No encapsulated Resources");
}
resource.getContents().remove(obj);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EList getResources() {
if (resources == null) {
resources = new EDataTypeUniqueEList(Resource.class, this, TefkatPackage.REFERENCE_EXTENT__RESOURCES);
}
return resources;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case TefkatPackage.REFERENCE_EXTENT__RESOURCES:
return getResources();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case TefkatPackage.REFERENCE_EXTENT__RESOURCES:
getResources().clear();
getResources().addAll((Collection)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void eUnset(int featureID) {
switch (featureID) {
case TefkatPackage.REFERENCE_EXTENT__RESOURCES:
getResources().clear();
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean eIsSet(int featureID) {
switch (featureID) {
case TefkatPackage.REFERENCE_EXTENT__RESOURCES:
return resources != null && !resources.isEmpty();
}
return super.eIsSet(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String toString() {
if (eIsProxy()) return super.toString();
StringBuffer result = new StringBuffer(super.toString());
result.append(" (resources: ");
result.append(resources);
result.append(')');
return result.toString();
}
} //ReferenceExtentImpl