com.qwazr.database.store.keys.ColumnIndexKey Maven / Gradle / Ivy
/*
* Copyright 2015-2018 Emmanuel Keller / QWAZR
*
* 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 com.qwazr.database.store.keys;
import com.qwazr.database.model.InternalColumnDefinition;
import com.qwazr.database.store.ByteConverter;
import com.qwazr.database.store.KeyStore;
import com.qwazr.server.ServerException;
import javax.ws.rs.core.Response;
import java.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
public class ColumnIndexKey extends IndexKey {
final private int columnId;
final private V value;
final private ByteConverter valueByteConverter;
private ColumnIndexKey(int columnId, Object value, ByteConverter valueByteConverter) throws IOException {
super(KeyEnum.COLUMN_INDEX);
this.columnId = columnId;
this.value = value == null ? null : valueByteConverter.convert(value);
this.valueByteConverter = valueByteConverter;
}
@Override
final public void buildKey(final DataOutputStream output) throws IOException {
super.buildKey(output);
output.writeInt(columnId);
if (value != null)
output.write(valueByteConverter.toBytes(value));
}
public List