public boolean register ( Invocation invocation ) { final long callId ; boolean force = invocation . op . isUrgent ( ) || invocation . isRetryCandidate ( ) ; try { callId = force ? callIdSequence . forceNext ( ) : callIdSequence . next ( ) ; } catch ( HazelcastOverloadException e ) { throw new HazelcastOverloadException ( "Failed to start invocation due to overload: " + invocation , e ) ; } try { // fails with IllegalStateException if the operation is already active setCallId ( invocation . op , callId ) ; } catch ( IllegalStateException e ) { callIdSequence . complete ( ) ; throw e ; } invocations . put ( callId , invocation ) ; if ( ! alive ) { invocation . notifyError ( new HazelcastInstanceNotActiveException ( ) ) ; return false ; } return true ; }
Registers an invocation .