/*
* 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.core;
import java.io.IOException;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.LockFactory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.store.SingleInstanceLockFactory;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.SolrException.ErrorCode;
/**
* Factory to instantiate {@link org.apache.lucene.store.RAMDirectory}
*/
public class RAMDirectoryFactory extends EphemeralDirectoryFactory {
@Override
protected LockFactory createLockFactory(String rawLockType) throws IOException {
if (!(rawLockType == null || DirectoryFactory.LOCK_TYPE_SINGLE.equalsIgnoreCase(rawLockType.trim()))) {
throw new SolrException(ErrorCode.FORBIDDEN,
"RAMDirectory can only be used with the '"+DirectoryFactory.LOCK_TYPE_SINGLE+"' lock factory type.");
}
return new SingleInstanceLockFactory();
}
@Override
protected Directory create(String path, LockFactory lockFactory, DirContext dirContext) throws IOException {
return new RAMDirectory(lockFactory);
}
}