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/*
* 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.drill.exec.record;
import io.netty.buffer.ByteBuf;
import org.apache.drill.exec.proto.BitData.FragmentRecordBatch;
import org.apache.drill.exec.proto.UserBitShared.QueryId;
import org.apache.drill.exec.proto.UserBitShared.RecordBatchDef;
public class FragmentWritableBatch{
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(FragmentWritableBatch.class);
private static RecordBatchDef EMPTY_DEF = RecordBatchDef.newBuilder().setRecordCount(0).build();
private final ByteBuf[] buffers;
private final FragmentRecordBatch header;
public FragmentWritableBatch(final boolean isLast, final QueryId queryId, final int sendMajorFragmentId, final int sendMinorFragmentId, final int receiveMajorFragmentId, final int receiveMinorFragmentId, final WritableBatch batch){
this(isLast, queryId, sendMajorFragmentId, sendMinorFragmentId, receiveMajorFragmentId, new int[]{receiveMinorFragmentId}, batch.getDef(), batch.getBuffers());
}
public FragmentWritableBatch(final boolean isLast, final QueryId queryId, final int sendMajorFragmentId, final int sendMinorFragmentId, final int receiveMajorFragmentId, final int[] receiveMinorFragmentIds, final WritableBatch batch){
this(isLast, queryId, sendMajorFragmentId, sendMinorFragmentId, receiveMajorFragmentId, receiveMinorFragmentIds, batch.getDef(), batch.getBuffers());
}
private FragmentWritableBatch(final boolean isLast, final QueryId queryId, final int sendMajorFragmentId, final int sendMinorFragmentId, final int receiveMajorFragmentId, final int[] receiveMinorFragmentId, final RecordBatchDef def, final ByteBuf... buffers){
this.buffers = buffers;
final FragmentRecordBatch.Builder builder = FragmentRecordBatch.newBuilder()
.setIsLastBatch(isLast)
.setDef(def)
.setQueryId(queryId)
.setReceivingMajorFragmentId(receiveMajorFragmentId)
.setSendingMajorFragmentId(sendMajorFragmentId)
.setSendingMinorFragmentId(sendMinorFragmentId);
for(final int i : receiveMinorFragmentId){
builder.addReceivingMinorFragmentId(i);
}
this.header = builder.build();
}
public static FragmentWritableBatch getEmptyLast(final QueryId queryId, final int sendMajorFragmentId, final int sendMinorFragmentId, final int receiveMajorFragmentId, final int receiveMinorFragmentId){
return getEmptyLast(queryId, sendMajorFragmentId, sendMinorFragmentId, receiveMajorFragmentId, new int[]{receiveMinorFragmentId});
}
public static FragmentWritableBatch getEmptyLast(final QueryId queryId, final int sendMajorFragmentId, final int sendMinorFragmentId, final int receiveMajorFragmentId, final int[] receiveMinorFragmentIds){
return new FragmentWritableBatch(true, queryId, sendMajorFragmentId, sendMinorFragmentId, receiveMajorFragmentId, receiveMinorFragmentIds, EMPTY_DEF);
}
public static FragmentWritableBatch getEmptyLastWithSchema(final QueryId queryId, final int sendMajorFragmentId, final int sendMinorFragmentId,
final int receiveMajorFragmentId, final int receiveMinorFragmentId, final BatchSchema schema){
return getEmptyBatchWithSchema(true, queryId, sendMajorFragmentId, sendMinorFragmentId, receiveMajorFragmentId,
receiveMinorFragmentId, schema);
}
public static FragmentWritableBatch getEmptyBatchWithSchema(final boolean isLast, final QueryId queryId, final int sendMajorFragmentId,
final int sendMinorFragmentId, final int receiveMajorFragmentId, final int receiveMinorFragmentId, final BatchSchema schema){
final RecordBatchDef.Builder def = RecordBatchDef.newBuilder();
if (schema != null) {
for (final MaterializedField field : schema) {
def.addField(field.getSerializedField());
}
}
return new FragmentWritableBatch(isLast, queryId, sendMajorFragmentId, sendMinorFragmentId, receiveMajorFragmentId,
new int[] { receiveMinorFragmentId }, def.build());
}
public ByteBuf[] getBuffers(){
return buffers;
}
public long getByteCount() {
long n = 0;
for (final ByteBuf buf : buffers) {
n += buf.readableBytes();
}
return n;
}
public FragmentRecordBatch getHeader() {
return header;
}
}
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