*/
package org.opendaylight.controller.cluster.access.concepts;
+import com.google.common.base.Preconditions;
+
public abstract class ResponseEnvelope<T extends Response<?, ?>> extends Envelope<T> {
private static final long serialVersionUID = 1L;
- ResponseEnvelope(final T message, final long sessionId, final long txSequence) {
+ private final long executionTimeNanos;
+
+ ResponseEnvelope(final T message, final long sessionId, final long txSequence, final long executionTimeNanos) {
super(message, sessionId, txSequence);
+ Preconditions.checkArgument(executionTimeNanos >= 0);
+ this.executionTimeNanos = executionTimeNanos;
}
+
+ /**
+ * Return the time the request took to execute in nanoseconds. This may not reflect the actual CPU time, but rather
+ * a measure of the complexity involved in servicing the original request.
+ *
+ * @return Time the request took to execute in nanoseconds
+ */
+ public final long getExecutionTimeNanos() {
+ return executionTimeNanos;
+ }
+
+ @Override
+ abstract AbstractResponseEnvelopeProxy<T> createProxy();
}