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/*******************************************************************************
* Copyright (c) 2003, 2005 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 Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.j2ee.internal.ejb.provider;
import java.util.Collections;
import java.util.List;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.jst.j2ee.ejb.AssemblyDescriptor;
import org.eclipse.jst.j2ee.ejb.EJBJar;
import org.eclipse.jst.j2ee.ejb.EnterpriseBean;
import org.eclipse.jst.j2ee.ejb.MethodTransaction;
import org.eclipse.jst.j2ee.ejb.internal.impl.EjbFactoryImpl;
public class MethodTransactionContentProvider extends AbstractMethodsContentProvider {
private static final EStructuralFeature TRANSACTION_MES_SF = EjbFactoryImpl.getPackage().getMethodTransaction_MethodElements();
private static final EStructuralFeature AD_MT_SF = EjbFactoryImpl.getPackage().getAssemblyDescriptor_MethodTransactions();
/**
* Constructor for MethodTransactionContentProvider.
*
* @param adapterFactory
* @param root
* @param viewer
*/
public MethodTransactionContentProvider(AdapterFactory adapterFactory, boolean root) {
super(adapterFactory, root);
}
/**
* Constructor for MethodTransationContentProvider.
*
* @param adapterFactory
*/
public MethodTransactionContentProvider(AdapterFactory adapterFactory) {
super(adapterFactory);
}
/*
* @see ITreeContentProvider#getChildren(Object)
*/
@Override
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof MethodTransaction)
return getEnterpriseBeans((MethodTransaction) parentElement);
return super.getChildren(parentElement);
}
protected Object[] getEnterpriseBeans(MethodTransaction mt) {
List mes = mt.getMethodElements();
return getEnterpriseBeans(mt, mes);
}
/*
* @see AbstractMethodsContentProvider#getMethodElements(EObject, EnterpriseBean)
*/
@Override
protected List getMethodElements(EObject aRefObject, EnterpriseBean anEJB) {
if (aRefObject == null || !(aRefObject instanceof MethodTransaction))
return Collections.EMPTY_LIST;
MethodTransaction parentMT = (MethodTransaction) aRefObject;
return parentMT.getMethodElements(anEJB);
}
/*
* @see IStructuredContentProvider#getElements(Object)
*/
@Override
public Object[] getElements(Object inputElement) {
super.getElements(inputElement);
if (inputElement instanceof EJBJar) {
EJBJar jar = (EJBJar) inputElement;
if (jar.getAssemblyDescriptor() != null)
return jar.getAssemblyDescriptor().getMethodTransactions().toArray();
}
if (inputElement instanceof AssemblyDescriptor)
return ((AssemblyDescriptor) inputElement).getMethodTransactions().toArray();
return new Object[0];
}
/*
* @see ITreeContentProvider#hasChildren(Object)
*/
@Override
public boolean hasChildren(Object element) {
if (element instanceof MethodTransaction)
return !((MethodTransaction) element).getMethodElements().isEmpty();
return super.hasChildren(element);
}
/*
* @see AbstractMethodsContentProvider#getMethodElementsReference()
*/
@Override
protected EStructuralFeature getMethodElementsReference() {
return TRANSACTION_MES_SF;
}
/**
* @see org.eclipse.jst.j2ee.internal.internal.ejb.ui.providers.AbstractMethodsContentProvider#getMethodElementsContainerReference()
*/
@Override
protected EStructuralFeature getMethodElementsContainerReference() {
return AD_MT_SF;
}
}
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