/*
* Copyright 1999-2010 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.core.db.object;
import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import com.orientechnologies.orient.core.db.ODatabasePojoAbstract;
import com.orientechnologies.orient.core.db.record.ODatabaseRecord;
import com.orientechnologies.orient.core.record.ORecord;
import com.orientechnologies.orient.core.record.ORecordInternal;
import com.orientechnologies.orient.core.record.impl.ODocument;
public class OLazyObjectMap<TYPE> extends HashMap<String, Object> implements Serializable {
private static final long serialVersionUID = 4146521893082733694L;
private final ORecord<?> sourceRecord;
private transient ODatabasePojoAbstract<TYPE> database;
private final Map<String, Object> underlying;
private String fetchPlan;
private boolean converted = false;
private boolean convertToRecord = true;
public OLazyObjectMap(final ODatabasePojoAbstract<TYPE> database, final ORecord<?> iSourceRecord,
final Map<String, Object> iSource) {
this.database = database;
this.sourceRecord = iSourceRecord;
this.underlying = iSource;
converted = iSource.isEmpty();
}
@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) {
convertAll();
return underlying.containsValue(o);
}
@Override
@SuppressWarnings("unchecked")
public Object put(final String iKey, final Object e) {
if (e instanceof ODocument) {
converted = false;
underlying.put(iKey, e);
} else {
if (database.getRecordByUserObject(e, false) == null) {
underlying.put(iKey, database.pojo2Stream((TYPE) e, new ODocument((ODatabaseRecord) database.getUnderlying())));
} else {
underlying.put(iKey, database.getRecordByUserObject(e, false));
}
}
setDirty();
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 OLazyObjectMap<TYPE> setFetchPlan(String fetchPlan) {
this.fetchPlan = fetchPlan;
return this;
}
@Override
public String toString() {
return underlying.toString();
}
@Override
public Set<java.util.Map.Entry<String, Object>> entrySet() {
convertAll();
return super.entrySet();
}
@Override
public Object get(final Object iKey) {
convert((String) iKey);
return super.get(iKey);
}
@Override
public Set<String> keySet() {
convertAll();
return underlying.keySet();
}
@Override
public void putAll(final Map<? extends String, ? extends Object> iMap) {
for (java.util.Map.Entry<? extends String, ? extends Object> e : iMap.entrySet()) {
put(e.getKey(), e.getValue());
}
}
@Override
public Collection<Object> values() {
convertAll();
return super.values();
}
public Map<String, Object> getUnderlying() {
return underlying;
}
public void setDirty() {
if (sourceRecord != null)
sourceRecord.setDirty();
}
public void assignDatabase(final ODatabasePojoAbstract<TYPE> iDatabase) {
if (database == null || database.isClosed()) {
database = iDatabase;
}
}
/**
* Assure that the requested key is converted.
*/
private void convert(final String iKey) {
if (converted || !convertToRecord)
return;
super.put(iKey, database.getUserObjectByRecord((ORecordInternal<?>) underlying.get(iKey), null));
}
public void detach() {
convertAll();
}
/**
* Converts all the items
*/
protected void convertAll() {
if (converted || !convertToRecord)
return;
for (java.util.Map.Entry<String, Object> e : underlying.entrySet())
super.put(e.getKey(), database.getUserObjectByRecord((ORecordInternal<?>) e.getValue(), null));
converted = true;
}
}