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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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/* *******************************************************************
 * Copyright (c) 2005 Contributors.
 * All rights reserved.
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *   Adrian Colyer			Initial implementation
 * ******************************************************************/
package org.aspectj.weaver.tools;

import java.util.HashMap;
import java.util.Map;

/**
 * Default implementation of MatchingContext, backed
 * by a Map.
 */
public class DefaultMatchingContext implements MatchingContext {

	private Map contextMap = new HashMap<>();

	/* (non-Javadoc)
	 * @see org.aspectj.weaver.tools.MatchingContext#hasContextParameter(java.lang.String)
	 */
	public boolean hasContextBinding(String contextParameterName) {
		return this.contextMap.containsKey(contextParameterName);
	}

	/* (non-Javadoc)
	 * @see org.aspectj.weaver.tools.MatchingContext#get(java.lang.String)
	 */
	public Object getBinding(String contextParameterName) {
		return this.contextMap.get(contextParameterName);
	}

	/**
	 * Add a context binding with the given name and value
	 * @param name
	 * @param value
	 */
	public void addContextBinding(String name, Object value) {
		this.contextMap.put(name, value);
	}

	/**
	 * Remove the context binding with the given name
	 * @param name
	 */
	public void removeContextBinding(String name) {
		this.contextMap.remove(name);
	}

}