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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) 2008, 2013 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.aspectj.org.eclipse.jdt.internal.codeassist.impl;

import java.util.Map;

import org.eclipse.core.runtime.IProgressMonitor;
import org.aspectj.org.eclipse.jdt.core.IJavaElement;
import org.aspectj.org.eclipse.jdt.core.JavaModelException;
import org.aspectj.org.eclipse.jdt.internal.compiler.env.IElementInfo;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Binding;
import org.aspectj.org.eclipse.jdt.internal.core.JavaElement;
import org.aspectj.org.eclipse.jdt.internal.core.ResolvedSourceField;

public class AssistSourceField extends ResolvedSourceField {
	private final Map bindingCache;
	private final Map infoCache;

	private String uniqueKey;
	private boolean isResolved;

	public AssistSourceField(JavaElement parent, String name, Map bindingCache, Map infoCache) {
		super(parent, name, null);
		this.bindingCache = bindingCache;
		this.infoCache = infoCache;
	}

	@Override
	public IElementInfo getElementInfo(IProgressMonitor monitor) throws JavaModelException {
		return this.infoCache.get(this);
	}

	@Override
	public String getKey() {
		if (this.uniqueKey == null) {
			Binding binding = this.bindingCache.get(this);
			if (binding != null) {
				this.isResolved = true;
				this.uniqueKey = new String(binding.computeUniqueKey());
			} else {
				this.isResolved = false;
				try {
					this.uniqueKey = getKey(this, false/*don't open*/);
				} catch (JavaModelException e) {
					// happen only if force open is true
					return null;
				}
			}
		}
		return this.uniqueKey;
	}

	@Override
	public boolean isResolved() {
		getKey();
		return this.isResolved;
	}

	@Override
	protected void toStringInfo(int tab, StringBuilder buffer, Object info,boolean showResolvedInfo) {
		super.toStringInfo(tab, buffer, info, showResolvedInfo && isResolved());
	}

	@Override
	public AssistAnnotation getAnnotation(String annotationName) {
		return new AssistAnnotation(this, annotationName, this.infoCache);
	}

	@Override
	public AssistSourceType getType(String typeName, int count) {
		return new AssistSourceType(this, typeName, this.bindingCache, this.infoCache, count);
	}
}