org.infinispan.client.hotrod.impl.operations.PutIfAbsentOperation Maven / Gradle / Ivy
package org.infinispan.client.hotrod.impl.operations;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import org.infinispan.client.hotrod.DataFormat;
import org.infinispan.client.hotrod.configuration.Configuration;
import org.infinispan.client.hotrod.impl.ClientStatistics;
import org.infinispan.client.hotrod.impl.ClientTopology;
import org.infinispan.client.hotrod.impl.protocol.Codec;
import org.infinispan.client.hotrod.impl.protocol.HotRodConstants;
import org.infinispan.client.hotrod.impl.transport.netty.ChannelFactory;
import org.infinispan.client.hotrod.impl.transport.netty.HeaderDecoder;
import org.infinispan.client.hotrod.logging.LogFactory;
import org.infinispan.client.hotrod.telemetry.impl.TelemetryService;
import org.jboss.logging.BasicLogger;
import io.netty.buffer.ByteBuf;
import io.netty.channel.Channel;
import net.jcip.annotations.Immutable;
/**
* Implements "putIfAbsent" operation as described in Hot Rod
* protocol specification.
*
* @author [email protected]
* @since 4.1
*/
@Immutable
public class PutIfAbsentOperation extends AbstractKeyValueOperation {
private static final BasicLogger log = LogFactory.getLog(PutIfAbsentOperation.class);
public PutIfAbsentOperation(Codec codec, ChannelFactory channelFactory,
Object key, byte[] keyBytes, byte[] cacheName, AtomicReference clientTopology,
int flags, Configuration cfg, byte[] value, long lifespan,
TimeUnit lifespanTimeUnit, long maxIdleTime, TimeUnit maxIdleTimeUnit,
DataFormat dataFormat, ClientStatistics clientStatistics, TelemetryService telemetryService) {
super(PUT_IF_ABSENT_REQUEST, PUT_IF_ABSENT_RESPONSE, codec, channelFactory, key, keyBytes, cacheName, clientTopology, flags, cfg, value,
lifespan, lifespanTimeUnit, maxIdleTime, maxIdleTimeUnit, dataFormat, clientStatistics, telemetryService);
}
@Override
protected void executeOperation(Channel channel) {
scheduleRead(channel);
sendKeyValueOperation(channel);
}
@Override
public void acceptResponse(ByteBuf buf, short status, HeaderDecoder decoder) {
if (HotRodConstants.isNotExecuted(status)) {
V prevValue = returnPossiblePrevValue(buf, status);
if (HotRodConstants.hasPrevious(status)) {
statsDataRead(true);
}
if (log.isTraceEnabled()) {
log.tracef("Returning from putIfAbsent: %s", prevValue);
}
complete(prevValue);
} else {
statsDataStore();
complete(null);
}
}
}