/**
* 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.hadoop.hive.hbase.struct;
import java.io.IOException;
import java.util.Properties;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.hbase.ColumnMappings;
import org.apache.hadoop.hive.hbase.HBaseSerDeHelper;
import org.apache.hadoop.hive.hbase.HBaseSerDeParameters;
import org.apache.hadoop.hive.serde2.SerDeException;
import org.apache.hadoop.hive.serde2.lazy.LazyFactory;
import org.apache.hadoop.hive.serde2.lazy.LazyObjectBase;
import org.apache.hadoop.hive.serde2.lazy.LazySerDeParameters;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory.ObjectInspectorOptions;
import org.apache.hadoop.hive.serde2.objectinspector.StructField;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfo;
/**
* Default implementation of the {@link HBaseValueFactory}
* */
public class DefaultHBaseValueFactory implements HBaseValueFactory {
protected LazySerDeParameters serdeParams;
protected ColumnMappings columnMappings;
protected HBaseSerDeParameters hbaseParams;
protected Properties properties;
protected Configuration conf;
private int fieldID;
public DefaultHBaseValueFactory(int fieldID) {
this.fieldID = fieldID;
}
@Override
public void init(HBaseSerDeParameters hbaseParams, Configuration conf, Properties properties)
throws SerDeException {
this.hbaseParams = hbaseParams;
this.serdeParams = hbaseParams.getSerdeParams();
this.columnMappings = hbaseParams.getColumnMappings();
this.properties = properties;
this.conf = conf;
}
@Override
public ObjectInspector createValueObjectInspector(TypeInfo type)
throws SerDeException {
return LazyFactory.createLazyObjectInspector(type,
1, serdeParams, ObjectInspectorOptions.JAVA);
}
@Override
public LazyObjectBase createValueObject(ObjectInspector inspector) throws SerDeException {
return HBaseSerDeHelper.createLazyField(columnMappings.getColumnsMapping(), fieldID, inspector);
}
@Override
public byte[] serializeValue(Object object, StructField field)
throws IOException {
// TODO Add support for serialization of values here
return null;
}
}