org.infinispan.commands.remote.SingleRpcCommand Maven / Gradle / Ivy
package org.infinispan.commands.remote;
import org.infinispan.commands.ReplicableCommand;
import org.infinispan.context.InvocationContext;
/**
* Similar to {@link org.infinispan.commands.remote.MultipleRpcCommand}, but it only aggregates a single command for
* replication.
*
* @author [email protected]
*/
public class SingleRpcCommand extends BaseRpcInvokingCommand {
public static final int COMMAND_ID = 1;
private ReplicableCommand command;
private SingleRpcCommand() {
super(null); // For command id uniqueness test
}
public SingleRpcCommand(String cacheName, ReplicableCommand command) {
super(cacheName);
this.command = command;
}
public SingleRpcCommand(String cacheName) {
super(cacheName);
}
@Override
public void setParameters(int commandId, Object[] parameters) {
if (commandId != COMMAND_ID) throw new IllegalStateException("Unusupported command id:" + commandId);
command = (ReplicableCommand) parameters[0];
}
@Override
public byte getCommandId() {
return COMMAND_ID;
}
@Override
public Object[] getParameters() {
return new Object[]{command};
}
@Override
public Object perform(InvocationContext ctx) throws Throwable {
return processVisitableCommand(command);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof SingleRpcCommand)) return false;
SingleRpcCommand that = (SingleRpcCommand) o;
if (cacheName != null ? !cacheName.equals(that.cacheName) : that.cacheName != null) return false;
if (command != null ? !command.equals(that.command) : that.command != null) return false;
if (interceptorChain != null ? !interceptorChain.equals(that.interceptorChain) : that.interceptorChain != null)
return false;
return true;
}
@Override
public int hashCode() {
int result = interceptorChain != null ? interceptorChain.hashCode() : 0;
result = 31 * result + (cacheName != null ? cacheName.hashCode() : 0);
result = 31 * result + (command != null ? command.hashCode() : 0);
return result;
}
@Override
public String toString() {
return "SingleRpcCommand{" +
"cacheName='" + cacheName + '\'' +
", command=" + command +
'}';
}
public ReplicableCommand getCommand() {
return command;
}
@Override
public boolean isReturnValueExpected() {
return command.isReturnValueExpected();
}
@Override
public boolean canBlock() {
return command.canBlock();
}
}
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