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Source code of the class part of aspectjweaver version 1.8.9

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        /* *******************************************************************
 * Copyright (c) 2010 Contributors
 * 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 
 * Contributors: 
 *     Andy Clement - SpringSource
 * ******************************************************************/
package org.aspectj.weaver.patterns;

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

import org.aspectj.weaver.ISourceContext;
import org.aspectj.weaver.Member;
import org.aspectj.weaver.ResolvedType;
import org.aspectj.weaver.UnresolvedType;
import org.aspectj.weaver.VersionedDataInputStream;
import org.aspectj.weaver.World;

 * Represents the OR of two other signature patterns.
 * @author Andy Clement
 * @since 1.6.9
public class OrSignaturePattern extends AbstractSignaturePattern {

	private ISignaturePattern leftSp;
	private ISignaturePattern rightSp;
	private List exactDeclaringTypes;

	public OrSignaturePattern(ISignaturePattern leftSp, ISignaturePattern rightSp) {
		this.leftSp = leftSp;
		this.rightSp = rightSp;

	public boolean couldEverMatch(ResolvedType type) {
		return leftSp.couldEverMatch(type) || rightSp.couldEverMatch(type);

	public List getExactDeclaringTypes() {
		if (exactDeclaringTypes == null) {
			exactDeclaringTypes = new ArrayList();
		return exactDeclaringTypes;

	public boolean isMatchOnAnyName() {
		return leftSp.isMatchOnAnyName() || rightSp.isMatchOnAnyName();

	public boolean isStarAnnotation() {
		return leftSp.isStarAnnotation() || rightSp.isStarAnnotation();

	public boolean matches(Member member, World world, boolean b) {
		return (leftSp.matches(member, world, b)) || (rightSp.matches(member, world, b));

	public ISignaturePattern parameterizeWith(Map typeVariableBindingMap, World world) {
		return new OrSignaturePattern(leftSp.parameterizeWith(typeVariableBindingMap, world), rightSp.parameterizeWith(
				typeVariableBindingMap, world));

	public ISignaturePattern resolveBindings(IScope scope, Bindings bindings) {
		// Whilst the real SignaturePattern returns 'this' we are safe to return 'this' here rather than build a new
		// AndSignaturePattern
		leftSp.resolveBindings(scope, bindings);
		rightSp.resolveBindings(scope, bindings);
		return this;

	public static ISignaturePattern readOrSignaturePattern(VersionedDataInputStream s, ISourceContext context) throws IOException {
		OrSignaturePattern ret = new OrSignaturePattern(readCompoundSignaturePattern(s, context), readCompoundSignaturePattern(s,
		// ret.readLocation(context, s); // TODO output position currently useless so dont need to do this
		return ret;

	public ISignaturePattern getLeft() {
		return leftSp;

	public ISignaturePattern getRight() {
		return rightSp;

	public String toString() {
		StringBuilder sb = new StringBuilder();
		sb.append(leftSp.toString()).append(" || ").append(rightSp.toString());
		return sb.toString();


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