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/*
 * Copyright 2010-2012 Luca Garulli (l.garulli--at--orientechnologies.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.orientechnologies.orient.object.db;

import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import javassist.util.proxy.Proxy;

import com.orientechnologies.orient.core.db.ODatabaseRecordThreadLocal;
import com.orientechnologies.orient.core.db.object.OLazyObjectMapInterface;
import com.orientechnologies.orient.core.db.object.OLazyObjectMultivalueElement;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import com.orientechnologies.orient.core.record.ORecord;
import com.orientechnologies.orient.core.record.ORecordInternal;
import com.orientechnologies.orient.object.enhancement.OObjectEntitySerializer;

public class OObjectLazyMap extends HashMap implements Serializable, OLazyObjectMultivalueElement,
		OLazyObjectMapInterface {
	private static final long									serialVersionUID	= -7071023580831419958L;

	private final ORecord									sourceRecord;
	private final Map	underlying;
	private String														fetchPlan;
	private boolean														converted					= false;
	private boolean														convertToRecord		= true;

	public OObjectLazyMap(final ORecord iSourceRecord, final Map iRecordMap) {
		super();
		this.sourceRecord = iSourceRecord;
		this.underlying = iRecordMap;
		converted = iRecordMap.isEmpty();
	}

	public OObjectLazyMap(final ORecord iSourceRecord, final Map iRecordMap,
			final Map iSourceMap) {
		this(iSourceRecord, iRecordMap);
		putAll(iSourceMap);
	}

	@Override
	public int size() {
		return underlying.size();
	}

	@Override
	public boolean isEmpty() {
		return underlying.isEmpty();
	}

	@Override
	public boolean containsKey(final Object k) {
		return underlying.containsKey(k);
	}

	@Override
	public boolean containsValue(final Object o) {
		if (o instanceof OIdentifiable)
			return underlying.containsValue((OIdentifiable) o);
		else if (o instanceof Proxy)
			return underlying.containsValue(OObjectEntitySerializer.getDocument((Proxy) o));
		return super.containsValue(o);
	}

	@Override
	public Object put(final Object iKey, final Object e) {
		setDirty();
		if (e instanceof OIdentifiable) {
			converted = false;
			return underlying.put(iKey, (OIdentifiable) e);
		} else {
			underlying.put(iKey, getDatabase().getRecordByUserObject(e, true));
			return super.put(iKey, e);
		}
	}

	@Override
	public Object remove(final Object iKey) {
		underlying.remove((String) iKey);
		setDirty();
		return super.remove(iKey);
	}

	@Override
	public void clear() {
		converted = true;
		underlying.clear();
		super.clear();
		setDirty();
	}

	public String getFetchPlan() {
		return fetchPlan;
	}

	public boolean isConvertToRecord() {
		return convertToRecord;
	}

	public void setConvertToRecord(boolean convertToRecord) {
		this.convertToRecord = convertToRecord;
	}

	public boolean isConverted() {
		return converted;
	}

	public OObjectLazyMap setFetchPlan(String fetchPlan) {
		this.fetchPlan = fetchPlan;
		return this;
	}

	@Override
	public String toString() {
		return underlying.toString();
	}

	@Override
	public Set> entrySet() {
		convertAll();
		return super.entrySet();
	}

	@Override
	public Object get(final Object iKey) {
		convert((String) iKey);
		return super.get(iKey);
	}

	@Override
	public Set