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com.orientechnologies.orient.core.index.OIndexManagerRemote Maven / Gradle / Ivy
/*
*
* * Copyright 2014 Orient Technologies LTD (info(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.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.orient.core.index;
import java.util.Collection;
import java.util.Set;
import com.orientechnologies.common.listener.OProgressListener;
import com.orientechnologies.common.log.OLogManager;
import com.orientechnologies.orient.core.db.ODatabaseRecordThreadLocal;
import com.orientechnologies.orient.core.db.document.ODatabaseDocument;
import com.orientechnologies.orient.core.id.ORID;
import com.orientechnologies.orient.core.id.ORecordId;
import com.orientechnologies.orient.core.record.ORecordInternal;
import com.orientechnologies.orient.core.record.impl.ODocument;
import com.orientechnologies.orient.core.sql.OCommandExecutorSQLCreateIndex;
import com.orientechnologies.orient.core.sql.OCommandSQL;
public class OIndexManagerRemote extends OIndexManagerAbstract {
private static final String QUERY_DROP = "drop index %s";
public OIndexManagerRemote(final ODatabaseDocument iDatabase) {
super(iDatabase);
}
public OIndex createIndex(final String iName, final String iType, final OIndexDefinition iIndexDefinition,
final int[] iClusterIdsToIndex, final OProgressListener progressListener, ODocument metadata, String engine) {
String createIndexDDL;
if (iIndexDefinition != null)
createIndexDDL = iIndexDefinition.toCreateIndexDDL(iName, iType);
else
createIndexDDL = new OSimpleKeyIndexDefinition().toCreateIndexDDL(iName, iType);
if (engine != null)
createIndexDDL += " " + OCommandExecutorSQLCreateIndex.KEYWORD_ENGINE + " " + engine;
if (metadata != null)
createIndexDDL += " " + OCommandExecutorSQLCreateIndex.KEYWORD_METADATA + " " + metadata.toJSON();
acquireExclusiveLock();
try {
if (progressListener != null)
progressListener.onBegin(this, 0, false);
getDatabase().command(new OCommandSQL(createIndexDDL)).execute();
ORecordInternal.setIdentity(document, new ORecordId(
ODatabaseRecordThreadLocal.INSTANCE.get().getStorage().getConfiguration().indexMgrRecordId));
if (progressListener != null)
progressListener.onCompletition(this, true);
reload();
return preProcessBeforeReturn(indexes.get(iName.toLowerCase()));
} finally {
releaseExclusiveLock();
}
}
@Override
public OIndex createIndex(String iName, String iType, OIndexDefinition indexDefinition, int[] clusterIdsToIndex,
OProgressListener progressListener, ODocument metadata) {
return createIndex(iName, iType, indexDefinition, clusterIdsToIndex, progressListener, metadata, null);
}
public OIndexManager dropIndex(final String iIndexName) {
acquireExclusiveLock();
try {
final String text = String.format(QUERY_DROP, iIndexName);
getDatabase().command(new OCommandSQL(text)).execute();
// REMOVE THE INDEX LOCALLY
indexes.remove(iIndexName.toLowerCase());
reload();
return this;
} finally {
releaseExclusiveLock();
}
}
@Override
public ODocument toStream() {
throw new UnsupportedOperationException("Remote index cannot be streamed");
}
@Override
public void recreateIndexes() {
throw new UnsupportedOperationException("recreateIndexes()");
}
@Override
public void waitTillIndexRestore() {
}
@Override
public boolean autoRecreateIndexesAfterCrash() {
return false;
}
@Override
public void removeClassPropertyIndex(OIndex idx) {
}
protected OIndex getRemoteIndexInstance(boolean isMultiValueIndex, String type, String name, Set clustersToIndex,
OIndexDefinition indexDefinition, ORID identity, ODocument configuration) {
if (isMultiValueIndex)
return new OIndexRemoteMultiValue(name, type, identity, indexDefinition, configuration, clustersToIndex);
return new OIndexRemoteOneValue(name, type, identity, indexDefinition, configuration, clustersToIndex);
}
@Override
protected void fromStream() {
acquireExclusiveLock();
try {
clearMetadata();
final Collection idxs = document.field(CONFIG_INDEXES);
if (idxs != null) {
for (ODocument d : idxs) {
d.setLazyLoad(false);
try {
final boolean isMultiValue = ODefaultIndexFactory.isMultiValueIndex((String) d.field(OIndexInternal.CONFIG_TYPE));
final OIndexInternal.IndexMetadata newIndexMetadata = OIndexAbstract.loadMetadataInternal(d,
(String) d.field(OIndexInternal.CONFIG_TYPE), d. field(OIndexInternal.ALGORITHM),
d. field(OIndexInternal.VALUE_CONTAINER_ALGORITHM));
addIndexInternal(getRemoteIndexInstance(isMultiValue, newIndexMetadata.getType(), newIndexMetadata.getName(),
newIndexMetadata.getClustersToIndex(), newIndexMetadata.getIndexDefinition(),
(ORID) d.field(OIndexAbstract.CONFIG_MAP_RID), d));
} catch (Exception e) {
OLogManager.instance().error(this, "Error on loading of index by configuration: %s", e, d);
}
}
}
} finally {
releaseExclusiveLock();
}
}
}