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package org.glassfish.grizzly.asyncqueue;
import org.glassfish.grizzly.*;
import org.glassfish.grizzly.utils.DebugPoint;
/**
* {@link AsyncQueue} write element unit
*
* @author Alexey Stashok
*/
@SuppressWarnings("deprecation")
public class AsyncWriteQueueRecord extends AsyncQueueRecord<WriteResult> {
private static final ThreadCache.CachedTypeIndex<AsyncWriteQueueRecord> CACHE_IDX =
ThreadCache.obtainIndex(AsyncWriteQueueRecord.class, Writer.Reentrant.getMaxReentrants());
public static AsyncWriteQueueRecord create(
final Connection connection,
final WritableMessage message,
final CompletionHandler completionHandler,
final Object dstAddress,
final PushBackHandler pushbackHandler,
final boolean isEmptyRecord) {
final AsyncWriteQueueRecord asyncWriteQueueRecord =
ThreadCache.takeFromCache(CACHE_IDX);
if (asyncWriteQueueRecord != null) {
asyncWriteQueueRecord.isRecycled = false;
asyncWriteQueueRecord.set(connection, message,
completionHandler, dstAddress, pushbackHandler, isEmptyRecord);
return asyncWriteQueueRecord;
}
return new AsyncWriteQueueRecord(connection, message,
completionHandler, dstAddress, pushbackHandler,
isEmptyRecord);
}
private long initialMessageSize;
private boolean isEmptyRecord;
private Object dstAddress;
private PushBackHandler pushBackHandler;
private final RecordWriteResult writeResult = new RecordWriteResult();
protected AsyncWriteQueueRecord(final Connection connection,
final WritableMessage message,
final CompletionHandler completionHandler,
final Object dstAddress,
final PushBackHandler pushBackHandler,
final boolean isEmptyRecord) {
set(connection, message, completionHandler, dstAddress,
pushBackHandler, isEmptyRecord);
}
@SuppressWarnings("unchecked")
protected void set(final Connection connection, final WritableMessage message,
final CompletionHandler completionHandler,
final Object dstAddress,
final PushBackHandler pushBackHandler,
final boolean isEmptyRecord) {
super.set(connection, message, completionHandler);
this.dstAddress = dstAddress;
this.isEmptyRecord = isEmptyRecord;
this.initialMessageSize = message != null ? message.remaining() : 0;
this.pushBackHandler = pushBackHandler;
writeResult.set(connection, message, dstAddress, 0);
}
public final Object getDstAddress() {
checkRecycled();
return dstAddress;
}
public final WritableMessage getWritableMessage() {
return (WritableMessage) message;
}
public boolean isEmptyRecord() {
return isEmptyRecord;
}
public void setEmptyRecord(final boolean isEmptyRecord) {
this.isEmptyRecord = isEmptyRecord;
}
public long getInitialMessageSize() {
return initialMessageSize;
}
public long remaining() {
return getWritableMessage().remaining();
}
@Override
public WriteResult getCurrentResult() {
return writeResult;
}
@Deprecated
public PushBackHandler getPushBackHandler() {
return pushBackHandler;
}
public boolean canBeAggregated() {
return !getWritableMessage().isExternal();
}
@SuppressWarnings("unchecked")
public void notifyCompleteAndRecycle() {
final CompletionHandler<WriteResult> completionHandlerLocal =
completionHandler;
final WritableMessage messageLocal = getWritableMessage();
if (completionHandlerLocal != null) {
completionHandlerLocal.completed(writeResult);
}
recycle();
// try to dispose originalBuffer (if allowed)
messageLocal.release();
}
public boolean isFinished() {
return !getWritableMessage().hasRemaining();
}
protected final void reset() {
set(null, null, null, null, null, false);
writeResult.recycle(); // reset the write result
}
@Override
public void recycle() {
checkRecycled();
reset();
isRecycled = true;
if (Grizzly.isTrackingThreadCache()) {
recycleTrack = new DebugPoint(new Exception(),
Thread.currentThread().getName());
}
ThreadCache.putToCache(CACHE_IDX, this);
}
}