| /******************************************************************************* |
| * Copyright (c) 2001, 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.ejb.internal.impl; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| 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 org.eclipse.jem.java.JavaClass; |
| import org.eclipse.jem.java.Method; |
| import org.eclipse.jst.j2ee.ejb.EjbPackage; |
| import org.eclipse.jst.j2ee.ejb.EnterpriseBean; |
| import org.eclipse.jst.j2ee.ejb.Query; |
| import org.eclipse.jst.j2ee.ejb.QueryMethod; |
| |
| /** |
| * @generated |
| */ |
| public class QueryMethodImpl extends MethodElementImpl implements QueryMethod { |
| |
| public QueryMethodImpl() { |
| super(); |
| } |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| protected EClass eStaticClass() { |
| return EjbPackage.Literals.QUERY_METHOD; |
| } |
| |
| /** |
| * For Query methods, their enterprise bean must be derived. |
| * It is the Entity which contains the Query. |
| */ |
| public EnterpriseBean getEnterpriseBean() { |
| if (enterpriseBean == null) { |
| if (getQuery() != null) |
| enterpriseBean = getQuery().getEntity(); |
| } |
| return enterpriseBean; |
| } |
| /** |
| * Answer the method for which this method element applies in the HOME INTERFACE. |
| */ |
| protected Method getHomeMethod() { |
| Method result = null; |
| JavaClass javaClass = getEnterpriseBean().getHomeInterface(); |
| if (javaClass != null) { |
| String methodName = getName().trim(); |
| if (hasMethodParams()) |
| result = javaClass.getPublicMethodExtended(methodName, getMethodParams()); |
| else { |
| List methods = javaClass.getPublicMethodsExtendedNamed(methodName); |
| if (!methods.isEmpty()) |
| result = (Method) methods.get(0); |
| } |
| } |
| return result; |
| } |
| /** |
| * Answer the method for which this method element applies in the LOCAL HOME INTERFACE. |
| */ |
| protected Method getLocalHomeMethod() { |
| Method result = null; |
| JavaClass javaClass = getEnterpriseBean().getLocalHomeInterface(); |
| if (javaClass != null) { |
| String methodName = getName().trim(); |
| if (hasMethodParams()) |
| result = javaClass.getPublicMethodExtended(methodName, getMethodParams()); |
| else { |
| List methods = javaClass.getPublicMethodsExtendedNamed(methodName); |
| if (!methods.isEmpty()) |
| result = (Method) methods.get(0); |
| } |
| } |
| return result; |
| } |
| |
| |
| |
| protected void addMethodIfNotNull(List aList, Method aMethod) { |
| if (aMethod != null) |
| aList.add(aMethod); |
| } |
| /** |
| * This method will return a zero-length Method[] if there is no matching method |
| * on the home, local home, or bean class. It will return exactly one method |
| * for ejbSelect, and one or two methods for finders. The two method case occurs |
| * when the same method with the same signature exists on both the home and |
| * local home. |
| */ |
| public Method[] getMethods() { |
| List result = new ArrayList(2); |
| if (getName().startsWith("ejbSelect")) { //$NON-NLS-1$ |
| addMethodIfNotNull(result, getSelectMethod()); |
| } else { |
| addMethodIfNotNull(result, getHomeMethod()); |
| addMethodIfNotNull(result, getLocalHomeMethod()); |
| } |
| return (Method[])result.toArray(new Method[result.size()]); |
| } |
| /** |
| * Answer the method for which this method element applies in the HOME INTERFACE. |
| */ |
| protected Method getSelectMethod() { |
| Method result = null; |
| JavaClass javaClass = getEnterpriseBean().getEjbClass(); |
| String methodName = getName().trim(); |
| if (hasMethodParams()) |
| result = javaClass.getPublicMethodExtended(name, getMethodParams()); |
| else { |
| List methods = javaClass.getPublicMethodsExtendedNamed(methodName); |
| if (!methods.isEmpty()) |
| result = (Method) methods.iterator().next(); |
| } |
| return result; |
| } |
| /** |
| * @generated This field/method will be replaced during code generation |
| */ |
| public Query getQuery() { |
| if (eContainerFeatureID != EjbPackage.QUERY_METHOD__QUERY) return null; |
| return (Query)eContainer(); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public NotificationChain basicSetQuery(Query newQuery, NotificationChain msgs) { |
| msgs = eBasicSetContainer((InternalEObject)newQuery, EjbPackage.QUERY_METHOD__QUERY, msgs); |
| return msgs; |
| } |
| |
| /** |
| * @generated This field/method will be replaced during code generation. |
| */ |
| public void setQuery(Query newQuery) { |
| if (newQuery != eInternalContainer() || (eContainerFeatureID != EjbPackage.QUERY_METHOD__QUERY && newQuery != null)) { |
| if (EcoreUtil.isAncestor(this, newQuery)) |
| throw new IllegalArgumentException("Recursive containment not allowed for " + toString()); |
| NotificationChain msgs = null; |
| if (eInternalContainer() != null) |
| msgs = eBasicRemoveFromContainer(msgs); |
| if (newQuery != null) |
| msgs = ((InternalEObject)newQuery).eInverseAdd(this, EjbPackage.QUERY__QUERY_METHOD, Query.class, msgs); |
| msgs = basicSetQuery(newQuery, msgs); |
| if (msgs != null) msgs.dispatch(); |
| } |
| else if (eNotificationRequired()) |
| eNotify(new ENotificationImpl(this, Notification.SET, EjbPackage.QUERY_METHOD__QUERY, newQuery, newQuery)); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) { |
| switch (featureID) { |
| case EjbPackage.QUERY_METHOD__QUERY: |
| if (eInternalContainer() != null) |
| msgs = eBasicRemoveFromContainer(msgs); |
| return basicSetQuery((Query)otherEnd, msgs); |
| } |
| return super.eInverseAdd(otherEnd, featureID, msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) { |
| switch (featureID) { |
| case EjbPackage.QUERY_METHOD__QUERY: |
| return basicSetQuery(null, msgs); |
| } |
| return super.eInverseRemove(otherEnd, featureID, msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) { |
| switch (eContainerFeatureID) { |
| case EjbPackage.QUERY_METHOD__QUERY: |
| return eInternalContainer().eInverseRemove(this, EjbPackage.QUERY__QUERY_METHOD, Query.class, msgs); |
| } |
| return super.eBasicRemoveFromContainerFeature(msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public Object eGet(int featureID, boolean resolve, boolean coreType) { |
| switch (featureID) { |
| case EjbPackage.QUERY_METHOD__QUERY: |
| return getQuery(); |
| } |
| return super.eGet(featureID, resolve, coreType); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public void eSet(int featureID, Object newValue) { |
| switch (featureID) { |
| case EjbPackage.QUERY_METHOD__QUERY: |
| setQuery((Query)newValue); |
| return; |
| } |
| super.eSet(featureID, newValue); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public void eUnset(int featureID) { |
| switch (featureID) { |
| case EjbPackage.QUERY_METHOD__QUERY: |
| setQuery((Query)null); |
| return; |
| } |
| super.eUnset(featureID); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| public boolean eIsSet(int featureID) { |
| switch (featureID) { |
| case EjbPackage.QUERY_METHOD__QUERY: |
| return getQuery() != null; |
| } |
| return super.eIsSet(featureID); |
| } |
| |
| /** |
| * You should use getClientTypeJavaClasses to ensure you pick up both home interfaces |
| * if they exist. |
| */ |
| public JavaClass getTypeJavaClass() { |
| JavaClass[] result = getClientTypeJavaClasses(); |
| if (result != null && result.length > 0) |
| return result[0]; |
| return null; |
| } |
| |
| /** |
| * Return an array of JavaClasses of all the interfaces or bean class that this method is presented |
| * to a client. If it is an ejbSelect... on the bean class will be returned and if |
| * it if a find both home interfaces will be returned if they exist. |
| * |
| * May return null. |
| */ |
| public JavaClass[] getClientTypeJavaClasses() { |
| if (getName() == null || getEnterpriseBean() == null) return null; |
| EnterpriseBean ejb = getEnterpriseBean(); |
| if (getName().startsWith(SELECT_PREFIX)) |
| return new JavaClass[]{ejb.getEjbClass()}; |
| //Next case is tougher since you could have both a remove and local client |
| //We want to return the home interface in this case. |
| if (getName().startsWith(FIND_PREFIX)) { |
| if (ejb.hasLocalClient() && !ejb.hasRemoteClient()) |
| return new JavaClass[]{getEnterpriseBean().getLocalHomeInterface()}; |
| if (ejb.hasRemoteClient() && !ejb.hasLocalClient()) |
| return new JavaClass[]{ejb.getHomeInterface()}; |
| if (ejb.hasRemoteClient() && ejb.hasLocalClient()) |
| return new JavaClass[]{ejb.getLocalHomeInterface(), ejb.getHomeInterface()}; |
| } |
| return null; |
| } |
| } |
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