org.apache.asterix.common.feeds.FeedCollectRuntimeInputHandler Maven / Gradle / Ivy
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* 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
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package org.apache.asterix.common.feeds;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.apache.asterix.common.feeds.api.IFeedManager;
import org.apache.hyracks.api.comm.IFrameWriter;
import org.apache.hyracks.api.context.IHyracksTaskContext;
import org.apache.hyracks.api.dataflow.value.RecordDescriptor;
import org.apache.hyracks.api.exceptions.HyracksDataException;
import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
public class FeedCollectRuntimeInputHandler extends FeedRuntimeInputHandler {
private final FeedFrameCache feedFrameCache;
public FeedCollectRuntimeInputHandler(IHyracksTaskContext ctx, FeedConnectionId connectionId, FeedRuntimeId runtimeId,
IFrameWriter coreOperator, FeedPolicyAccessor fpa, boolean bufferingEnabled,
FrameTupleAccessor fta, RecordDescriptor recordDesc, IFeedManager feedManager, int nPartitions)
throws IOException {
super(ctx, connectionId, runtimeId, coreOperator, fpa, bufferingEnabled, fta, recordDesc, feedManager,
nPartitions);
this.feedFrameCache = new FeedFrameCache(ctx, fta, coreOperator);
}
public void process(ByteBuffer frame) throws HyracksDataException {
feedFrameCache.sendMessage(frame);
super.process(frame);
}
public void replayFrom(int recordId) throws HyracksDataException {
feedFrameCache.replayRecords(recordId);
}
public void dropTill(int recordId) {
feedFrameCache.dropTillRecordId(recordId);
}
public void replayCached() throws HyracksDataException{
feedFrameCache.replayAll();
}
}
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