/*
* 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.index;
import java.util.Collection;
import com.orientechnologies.common.listener.OProgressListener;
import com.orientechnologies.orient.core.db.record.ODatabaseRecord;
import com.orientechnologies.orient.core.db.record.ORecordElement;
import com.orientechnologies.orient.core.db.record.ORecordTrackedSet;
import com.orientechnologies.orient.core.id.ORID;
import com.orientechnologies.orient.core.id.ORecordId;
import com.orientechnologies.orient.core.metadata.schema.OType;
import com.orientechnologies.orient.core.record.impl.ODocument;
import com.orientechnologies.orient.core.sql.OCommandSQL;
public class OIndexManagerRemote extends OIndexManagerAbstract {
private static final String QUERY_CREATE = "create index %s %s %s";
private static final String QUERY_DROP = "drop index %s";
public OIndexManagerRemote(final ODatabaseRecord iDatabase) {
super(iDatabase);
}
protected synchronized OIndex getIndexInstance(final OIndex iIndex) {
return new OIndexRemote(iIndex.getName(), iIndex.getType(), iIndex.getIdentity());
}
public synchronized OIndex getIndex(final String iName) {
final OIndex index = indexes.get(iName.toLowerCase());
return index != null ? new OIndexUser(getDatabase(), getIndexInstance(index)) : null;
}
public synchronized OIndex getIndex(final ORID iRID) {
for (OIndex idx : indexes.values()) {
if (idx.getIdentity().equals(iRID)) {
return getIndexInstance(idx);
}
}
return null;
}
public synchronized OIndex createIndex(final String iName, final String iType, final OType iKeyType,
final int[] iClusterIdsToIndex, OIndexCallback iCallback, final OProgressListener iProgressListener, final boolean iAutomatic) {
final String text = String.format(QUERY_CREATE, iName, iType, iKeyType);
getDatabase().command(new OCommandSQL(text)).execute();
document.setIdentity(new ORecordId(document.getDatabase().getStorage().getConfiguration().indexMgrRecordId));
reload();
return indexes.get(iName.toLowerCase());
}
public synchronized OIndexManager dropIndex(final String iIndexName) {
final String text = String.format(QUERY_DROP, iIndexName);
getDatabase().command(new OCommandSQL(text)).execute();
// REMOVE THE INDEX LOCALLY
indexes.remove(iIndexName.toLowerCase());
return this;
}
public OIndexManager dropClassIndexes(String iIndexName) {
return null;
}
public synchronized OIndexManager setDirty() {
document.setDirty();
return this;
}
@Override
protected synchronized void fromStream() {
final Collection<ODocument> idxs = document.field(CONFIG_INDEXES);
if (idxs != null) {
OIndexInternal index;
for (ODocument d : idxs) {
index = OIndexFactory.instance().newInstance(getDatabase(), (String) d.field(OIndexInternal.CONFIG_TYPE));
d.setDatabase(getDatabase());
((OIndexInternal) index).loadFromConfiguration(d);
indexes.put(index.getName().toLowerCase(), index);
}
}
}
/**
* Binds POJO to ODocument.
*/
@Override
public ODocument toStream() {
document.setInternalStatus(ORecordElement.STATUS.UNMARSHALLING);
try {
ORecordTrackedSet idxs = new ORecordTrackedSet(document);
for (OIndexInternal i : indexes.values()) {
idxs.add(i.updateConfiguration());
}
document.field(CONFIG_INDEXES, idxs, OType.EMBEDDEDSET);
} finally {
document.setInternalStatus(ORecordElement.STATUS.LOADED);
}
document.setDirty();
return document;
}
}