com.hazelcast.sql.impl.row.EmptyRowBatch Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.sql.impl.row;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.sql.impl.SqlDataSerializerHook;
/**
* Empty row batch.
*/
public final class EmptyRowBatch implements RowBatch, IdentifiedDataSerializable {
public static final EmptyRowBatch INSTANCE = new EmptyRowBatch();
private EmptyRowBatch() {
// No-op.
}
@Override
public Row getRow(int idx) {
throw new IndexOutOfBoundsException(getClass().getName() + " has no rows");
}
@Override
public int getRowCount() {
return 0;
}
@Override
public int getFactoryId() {
return SqlDataSerializerHook.F_ID;
}
@Override
public int getClassId() {
return SqlDataSerializerHook.ROW_BATCH_EMPTY;
}
@Override
public void writeData(ObjectDataOutput out) {
// No-op.
}
@Override
public void readData(ObjectDataInput in) {
// No-op.
}
}