org.janusgraph.hadoop.CqlHadoopStoreManager Maven / Gradle / Ivy
// Copyright 2020 JanusGraph Authors
//
// 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 org.janusgraph.hadoop;
import com.datastax.oss.driver.api.core.CqlSession;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.InputFormat;
import org.janusgraph.hadoop.formats.cql.CqlBinaryInputFormat;
public class CqlHadoopStoreManager implements HadoopStoreManager {
private CqlSession session;
public CqlHadoopStoreManager(CqlSession session){
this.session = session;
}
public String getPartitioner(){
return this.session.getMetadata().getTokenMap().get().getPartitionerName();
}
@Override
public Class getInputFormat(Configuration hadoopConf) {
hadoopConf.set("cassandra.input.partitioner.class", getPartitioner());
return CqlBinaryInputFormat.class;
}
}