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/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.solr.handler;
import java.io.IOException;
import java.util.HashMap;
import org.apache.solr.common.params.MapSolrParams;
import org.apache.solr.common.params.SolrParams;
import org.apache.solr.common.params.UpdateParams;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.request.SolrQueryResponse;
import org.apache.solr.update.CommitUpdateCommand;
import org.apache.solr.update.RollbackUpdateCommand;
import org.apache.solr.update.processor.UpdateRequestProcessor;
/**
* Common helper functions for RequestHandlers
*
* @version $Id: RequestHandlerUtils.java 805774 2009-08-19 12:21:22Z noble $
* @since solr 1.2
*/
public class RequestHandlerUtils
{
/**
* A common way to mark the response format as experimental
*/
public static void addExperimentalFormatWarning( SolrQueryResponse rsp )
{
rsp.add( "WARNING", "This response format is experimental. It is likely to change in the future." );
}
/**
* Check the request parameters and decide if it should commit or optimize.
* If it does, it will check parameters for "waitFlush" and "waitSearcher"
*
* @deprecated Use {@link #handleCommit(UpdateRequestProcessor,SolrParams,boolean)}
*
* @since solr 1.2
*/
@Deprecated
public static boolean handleCommit( SolrQueryRequest req, SolrQueryResponse rsp, boolean force ) throws IOException
{
SolrParams params = req.getParams();
if( params == null ) {
params = new MapSolrParams( new HashMap() );
}
boolean optimize = params.getBool( UpdateParams.OPTIMIZE, false );
boolean commit = params.getBool( UpdateParams.COMMIT, false );
if( optimize || commit || force ) {
CommitUpdateCommand cmd = new CommitUpdateCommand( optimize );
cmd.waitFlush = params.getBool( UpdateParams.WAIT_FLUSH, cmd.waitFlush );
cmd.waitSearcher = params.getBool( UpdateParams.WAIT_SEARCHER, cmd.waitSearcher );
cmd.expungeDeletes = params.getBool( UpdateParams.EXPUNGE_DELETES, cmd.expungeDeletes);
cmd.maxOptimizeSegments = params.getInt(UpdateParams.MAX_OPTIMIZE_SEGMENTS, cmd.maxOptimizeSegments);
req.getCore().getUpdateHandler().commit( cmd );
// Lets wait till after solr1.2 to define consistent output format
//if( optimize ) {
// rsp.add( "optimize", true );
//}
//else {
// rsp.add( "commit", true );
//}
return true;
}
return false;
}
/**
* Check the request parameters and decide if it should commit or optimize.
* If it does, it will check parameters for "waitFlush" and "waitSearcher"
*/
public static boolean handleCommit( UpdateRequestProcessor processor, SolrParams params, boolean force ) throws IOException
{
if( params == null ) {
params = new MapSolrParams( new HashMap() );
}
boolean optimize = params.getBool( UpdateParams.OPTIMIZE, false );
boolean commit = params.getBool( UpdateParams.COMMIT, false );
if( optimize || commit || force ) {
CommitUpdateCommand cmd = new CommitUpdateCommand( optimize );
cmd.waitFlush = params.getBool( UpdateParams.WAIT_FLUSH, cmd.waitFlush );
cmd.waitSearcher = params.getBool( UpdateParams.WAIT_SEARCHER, cmd.waitSearcher );
cmd.expungeDeletes = params.getBool( UpdateParams.EXPUNGE_DELETES, cmd.expungeDeletes);
cmd.maxOptimizeSegments = params.getInt(UpdateParams.MAX_OPTIMIZE_SEGMENTS, cmd.maxOptimizeSegments);
processor.processCommit( cmd );
return true;
}
return false;
}
/**
* @since Solr 1.4
*/
public static boolean handleRollback( UpdateRequestProcessor processor, SolrParams params, boolean force ) throws IOException
{
if( params == null ) {
params = new MapSolrParams( new HashMap() );
}
boolean rollback = params.getBool( UpdateParams.ROLLBACK, false );
if( rollback || force ) {
RollbackUpdateCommand cmd = new RollbackUpdateCommand();
processor.processRollback( cmd );
return true;
}
return false;
}
}