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AndAnnotationTypePattern.java

/* *******************************************************************
 * Copyright (c) 2004 IBM Corporation.
 * 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 
 *  
 * ******************************************************************/
package org.aspectj.weaver.patterns;

import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Map;

import org.aspectj.util.FuzzyBoolean;
import org.aspectj.weaver.AnnotatedElement;
import org.aspectj.weaver.ISourceContext;
import org.aspectj.weaver.VersionedDataInputStream;
import org.aspectj.weaver.World;
import org.aspectj.weaver.AjAttribute.WeaverVersionInfo;
import org.aspectj.weaver.ResolvedType;
/**
 * @author colyer
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
00029 public class AndAnnotationTypePattern extends AnnotationTypePattern {

      private AnnotationTypePattern left;
      private AnnotationTypePattern right;
      
      public AndAnnotationTypePattern(AnnotationTypePattern left, AnnotationTypePattern right) {
            this.left = left;
            this.right = right;
            setLocation(left.getSourceContext(), left.getStart(), right.getEnd());
      }

      public FuzzyBoolean matches(AnnotatedElement annotated) {
            return left.matches(annotated).and(right.matches(annotated));
      }
      
      public FuzzyBoolean matches(AnnotatedElement annotated, ResolvedType[] parameterAnnotations ) {
            return left.matches(annotated,parameterAnnotations).and(right.matches(annotated,parameterAnnotations));
      }

      public void resolve(World world) {
            left.resolve(world);
            right.resolve(world);
      }
      
      /* (non-Javadoc)
       * @see org.aspectj.weaver.patterns.AnnotationTypePattern#resolveBindings(org.aspectj.weaver.patterns.IScope, org.aspectj.weaver.patterns.Bindings, boolean)
       */
      public AnnotationTypePattern resolveBindings(IScope scope,
                  Bindings bindings, boolean allowBinding) {
            left = left.resolveBindings(scope,bindings,allowBinding);
            right =right.resolveBindings(scope,bindings,allowBinding);
            return this;
      }
      
      public AnnotationTypePattern parameterizeWith(Map typeVariableMap,World w) {
            AnnotationTypePattern newLeft = left.parameterizeWith(typeVariableMap,w);
            AnnotationTypePattern newRight = right.parameterizeWith(typeVariableMap,w);
            AndAnnotationTypePattern ret = new AndAnnotationTypePattern(newLeft,newRight);
            ret.copyLocationFrom(this);
            if (this.isForParameterAnnotationMatch()) ret.setForParameterAnnotationMatch();
            return ret;
      }
      
      public static AnnotationTypePattern read(VersionedDataInputStream s, ISourceContext context) throws IOException {
            AnnotationTypePattern p = new AndAnnotationTypePattern(
                        AnnotationTypePattern.read(s,context),
                        AnnotationTypePattern.read(s,context));
            p.readLocation(context,s);
            if (s.getMajorVersion()>=WeaverVersionInfo.WEAVER_VERSION_MAJOR_AJ160) {
                  if (s.readBoolean()) p.setForParameterAnnotationMatch();                
            }
            return p;         
      }
      
      public void write(DataOutputStream s) throws IOException {
            s.writeByte(AnnotationTypePattern.AND);
            left.write(s);
            right.write(s);
            writeLocation(s);
            s.writeBoolean(isForParameterAnnotationMatch());
      }
      
      public boolean equals(Object obj) {
            if (!(obj instanceof AndAnnotationTypePattern)) return false;
            AndAnnotationTypePattern other = (AndAnnotationTypePattern) obj;
            return (left.equals(other.left) && right.equals(other.right) && left.isForParameterAnnotationMatch()==right.isForParameterAnnotationMatch());
      }
      
      public int hashCode() {
            int result = 17;
            result = result*37 + left.hashCode();
            result = result*37 + right.hashCode();
            result = result*37 + (isForParameterAnnotationMatch()?0:1);
            return result;          
      }
      
      public String toString() {
            return left.toString() + " " + right.toString();
      }
      
      public AnnotationTypePattern getLeft() { return left; }
      public AnnotationTypePattern getRight() { return right; }

    public Object accept(PatternNodeVisitor visitor, Object data) {
        return visitor.visit(this, data);
    }
      
      public Object traverse(PatternNodeVisitor visitor, Object data) {
            Object ret = accept(visitor,data);
            left.traverse(visitor,ret);
            right.traverse(visitor,ret);
            return ret;
      }

      public void setForParameterAnnotationMatch() {
            left.setForParameterAnnotationMatch();
            right.setForParameterAnnotationMatch();
      }
}

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