fish.payara.persistence.eclipselink.cache.coordination.HazelcastPayload Maven / Gradle / Ivy
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package fish.payara.persistence.eclipselink.cache.coordination;
import org.eclipse.persistence.internal.sessions.AbstractSession;
import org.eclipse.persistence.sessions.coordination.RemoteCommandManager;
import org.eclipse.persistence.sessions.serializers.JavaSerializer;
import org.eclipse.persistence.sessions.serializers.Serializer;
import java.io.Serializable;
import java.util.UUID;
/**
* Represents the payload transported via Hazelcast topic.
*
* @author Sven Diedrichsen
*/
public abstract class HazelcastPayload implements Serializable {
private static final long serialVersionUID = 1;
/**
* This payloads id.
*/
private final UUID id = UUID.randomUUID();
public abstract org.eclipse.persistence.sessions.coordination.Command getCommand(RemoteCommandManager rcm);
public UUID getId() { return id; }
/**
* Implements a payload for raw bytes to transfer.
*/
public static class Bytes extends HazelcastPayload {
private final byte[] bytes;
public Bytes(byte[] bytes) {
this.bytes = bytes;
}
/**
* Returns the serialized {@link org.eclipse.persistence.sessions.coordination.Command} from
* the provided bytes.
* @param rcm The {@link RemoteCommandManager} to use for serialization.
* @return coordination command serialized from bytes.
*/
public org.eclipse.persistence.sessions.coordination.Command getCommand(RemoteCommandManager rcm) {
Serializer serializer = rcm.getSerializer();
if (serializer == null) {
serializer = JavaSerializer.instance;
}
return (org.eclipse.persistence.sessions.coordination.Command)serializer.deserialize(this.bytes, (AbstractSession) rcm.getCommandProcessor());
}
}
/**
* Implements a payload consisting of a coordination command.
*/
public static class Command extends HazelcastPayload {
private final org.eclipse.persistence.sessions.coordination.Command command;
public Command(org.eclipse.persistence.sessions.coordination.Command command) {
this.command = command;
}
/**
* Simply returns the original command.
* @param rcm The {@link RemoteCommandManager} to use for serialization. Will not be used.
* @return The original command.
*/
@Override
public org.eclipse.persistence.sessions.coordination.Command getCommand(RemoteCommandManager rcm) {
return this.command;
}
}
}