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
/*******************************************************************************
 * 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.eclipse.jdt.internal.codeassist.impl;

import java.util.Map;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.IAnnotation;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.compiler.lookup.Binding;
import org.eclipse.jdt.internal.core.JavaElement;
import org.eclipse.jdt.internal.core.ResolvedSourceField;

@SuppressWarnings("rawtypes")
public class AssistSourceField extends ResolvedSourceField {
	private Map bindingCache;
	private 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 Object getElementInfo(IProgressMonitor monitor) throws JavaModelException {
		return this.infoCache.get(this);
	}

	@Override
	public String getKey() {
		if (this.uniqueKey == null) {
			Binding 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, StringBuffer buffer, Object info,boolean showResolvedInfo) {
		super.toStringInfo(tab, buffer, info, showResolvedInfo && isResolved());
	}

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

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