org.aspectj/weaver/src/org/aspectj/weaver/patterns/AndAnnotationTypePattern.java

/* *******************************************************************
 * Copyright (c) 2004 IBM Corporation.
 * All rights reserved. 
 * This program and the accompanying materials are made available 
 * under the terms of the Common Public License v1.0 
 * which accompanies this distribution and is available at 
 * http://www.eclipse.org/legal/cpl-v10.html 
 *  
 * ******************************************************************/
package org.aspectj.weaver.patterns;

import java.io.DataOutputStream;
import java.io.IOException;

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;

/**
 * @author colyer
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
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 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 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);
		return p;		
	}
	
	public void write(DataOutputStream s) throws IOException {
		s.writeByte(AnnotationTypePattern.AND);
		left.write(s);
		right.write(s);
		writeLocation(s);
	}
	
	public boolean equals(Object obj) {
		if (!(obj instanceof AndAnnotationTypePattern)) return false;
		AndAnnotationTypePattern other = (AndAnnotationTypePattern) obj;
		return (left.equals(other.left) && right.equals(other.right));
	}
	
	public int hashCode() {
		int result = 17;
		result = result*37 + left.hashCode();
		result = result*37 + right.hashCode();
		return result;		
	}
	
	public String toString() {
		return left.toString() + " " + right.toString();
	}
	
	public AnnotationTypePattern getLeft() { return left; }
	public AnnotationTypePattern getRight() { return right; }

}