| /******************************************************************************* |
| * Copyright (c) 2009, 2010 Oracle. 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: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.core.internal.resource.java.binary; |
| |
| import java.util.Iterator; |
| import org.eclipse.jdt.core.Flags; |
| import org.eclipse.jdt.core.IMember; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.Signature; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.JptCorePlugin; |
| import org.eclipse.jpt.core.resource.java.Annotation; |
| import org.eclipse.jpt.core.resource.java.JavaResourceNode; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentMember; |
| import org.eclipse.jpt.core.resource.java.NestableAnnotation; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.utility.internal.iterators.FilteringIterator; |
| |
| /** |
| * binary persistent member |
| */ |
| abstract class BinaryPersistentMember |
| extends BinaryAnnotatedElement |
| implements JavaResourcePersistentMember |
| { |
| |
| boolean persistable; |
| |
| private boolean final_; // 'final' is a reserved word |
| |
| |
| // ********** construction/initialization ********** |
| |
| public BinaryPersistentMember(JavaResourceNode parent, Adapter adapter) { |
| super(parent, adapter); |
| this.persistable = this.buildPersistable(); |
| this.final_ = this.buildFinal(); |
| } |
| |
| |
| private Adapter getAdapter() { |
| return (Adapter) this.adapter; |
| } |
| |
| // ********** updating ********** |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.setPersistable(this.buildPersistable()); |
| this.setFinal(this.buildFinal()); |
| } |
| |
| |
| // ********** simple state ********** |
| |
| public boolean isPersistable() { |
| return this.persistable; |
| } |
| |
| private void setPersistable(boolean persistable) { |
| boolean old = this.persistable; |
| this.persistable = persistable; |
| this.firePropertyChanged(PERSISTABLE_PROPERTY, old, persistable); |
| } |
| |
| private boolean buildPersistable() { |
| return this.getAdapter().isPersistable(); |
| } |
| |
| // ***** final |
| public boolean isFinal() { |
| return this.final_; |
| } |
| |
| private void setFinal(boolean final_) { |
| boolean old = this.final_; |
| this.final_ = final_; |
| this.firePropertyChanged(FINAL_PROPERTY, old, final_); |
| } |
| |
| private boolean buildFinal() { |
| try { |
| return Flags.isFinal(this.getMember().getFlags()); |
| } catch (JavaModelException ex) { |
| JptCorePlugin.log(ex); |
| return false; |
| } |
| } |
| |
| |
| // ********** miscellaneous ********** |
| |
| IMember getMember() { |
| return (IMember) this.adapter.getElement(); |
| } |
| |
| /** |
| * convenience method |
| */ |
| <T extends JavaResourcePersistentMember> Iterator<T> persistableMembers(Iterator<T> members) { |
| return new FilteringIterator<T>(members) { |
| @Override |
| protected boolean accept(T m) { |
| return m.isPersistable(); |
| } |
| }; |
| } |
| |
| /** |
| * Strip off the type signature's parameters if present. |
| * Convert to a readable string. |
| */ |
| static String convertTypeSignatureToTypeName(String typeSignature) { |
| return (typeSignature == null) ? null : convertTypeSignatureToTypeName_(typeSignature); |
| } |
| |
| /** |
| * no null check |
| */ |
| static String convertTypeSignatureToTypeName_(String typeSignature) { |
| return Signature.toString(Signature.getTypeErasure(typeSignature)); |
| } |
| |
| |
| // ********** IMember adapter ********** |
| |
| interface Adapter extends BinaryAnnotatedElement.Adapter { |
| /** |
| * Return the adapter's JDT member (IType, IField, IMethod). |
| */ |
| IMember getElement(); |
| |
| /** |
| * Return whether the adapter's member is "persistable" |
| * (i.e. according to the JPA spec the member can be mapped) |
| */ |
| boolean isPersistable(); |
| } |
| |
| |
| // ********** unsupported JavaResourceAnnotatedElement implementation ********** |
| |
| @Override |
| public Annotation addAnnotation(String annotationName) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public NestableAnnotation addAnnotation(int index, String nestableAnnotationName, String containerAnnotationName) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void moveAnnotation(int targetIndex, int sourceIndex, String containerAnnotationName) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void removeAnnotation(String annotationName) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void removeAnnotation(int index, String nestableAnnotationName, String containerAnnotationName) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public Annotation setPrimaryAnnotation(String primaryAnnotationName, Iterable<String> supportingAnnotationNames) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public TextRange getNameTextRange(CompilationUnit astRoot) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void resolveTypes(CompilationUnit astRoot) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public boolean isFor(String memberName, int occurrence) { |
| throw new UnsupportedOperationException(); |
| } |
| } |