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ReferencePointcut.java

/*******************************************************************************
 * Copyright (c) 2000, 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.aspectj.org.eclipse.jdt.core.dom;

import java.util.ArrayList;
import java.util.List;

import org.aspectj.org.eclipse.jdt.core.dom.AST;
import org.aspectj.org.eclipse.jdt.core.dom.ASTNode;

/**
 * ReferencePointcut DOM AST node.
 * has:
 *   a name
 *   
 * note:
 *   should also have a parameter list like method invokations do?
 * @author ajh02
 */
00028 public class ReferencePointcut extends PointcutDesignator { 
      
      private SimpleName pointcutName = null;
      public static final ChildPropertyDescriptor NAME_PROPERTY = 
            new ChildPropertyDescriptor(ReferencePointcut.class, "name", SimpleName.class, MANDATORY, NO_CYCLE_RISK); //$NON-NLS-1$
      public SimpleName getName() {
            if (this.pointcutName == null) {
                  // lazy init must be thread-safe for readers
                  synchronized (this) {
                        if (this.pointcutName == null) {
                              preLazyInit();
                              this.pointcutName = new SimpleName(this.ast);
                              postLazyInit(this.pointcutName, NAME_PROPERTY);
                        }
                  }
            }
            return this.pointcutName;
      }
      public void setName(SimpleName pointcutName) {
            if (pointcutName == null) {
                  throw new IllegalArgumentException();
            }
            ASTNode oldChild = this.pointcutName;
            preReplaceChild(oldChild, pointcutName, NAME_PROPERTY);
            this.pointcutName = pointcutName;
            postReplaceChild(oldChild, pointcutName, NAME_PROPERTY);
      }
      
      
      
      
      ReferencePointcut(AST ast) {
            super(ast);
      }
      public static List propertyDescriptors(int apiLevel) {
            List propertyList = new ArrayList(1);
            createPropertyList(ReferencePointcut.class, propertyList);
            addProperty(NAME_PROPERTY, propertyList);
            return reapPropertyList(propertyList);
      }
      final List internalStructuralPropertiesForType(int apiLevel) {
            return propertyDescriptors(apiLevel);
      }
      final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
            if (property == NAME_PROPERTY) {
                  if (get) {
                        return getName();
                  } else {
                        setName((SimpleName) child);
                        return null;
                  }
            }
            // allow default implementation to flag the error
            return super.internalGetSetChildProperty(property, get, child);
      }
      ASTNode clone0(AST target) {
            ReferencePointcut result = new ReferencePointcut(target);
            result.setSourceRange(this.getStartPosition(), this.getLength());
            result.setName((SimpleName) getName().clone(target));
            return result;
      }
      final boolean subtreeMatch0(ASTMatcher matcher, Object other) {
            // dispatch to correct overloaded match method
            return ((AjASTMatcher)matcher).match(this, other);
      }
      void accept0(ASTVisitor visitor) {
            if (visitor instanceof AjASTVisitor) {
                  boolean visitChildren = ((AjASTVisitor)visitor).visit(this);
                  if (visitChildren) {
                        // visit children in normal left to right reading order
                        acceptChild(visitor, getName());
                        // todo: accept the parameters here
                  }
                  ((AjASTVisitor)visitor).endVisit(this);
            }
      }
      int treeSize() {
            return
                  memSize()
                  + (this.pointcutName == null ? 0 : getName().treeSize());
      }
}

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