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From: beyond1920 <git@git.apache.org>
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Subject: [GitHub] flink pull request #2389: [FLINK-4348] [cluster management] Implement commun...
Content-Type: text/plain
Message-Id: <20160823012103.A8BE1E0441@git1-us-west.apache.org>
Date: Tue, 23 Aug 2016 01:21:03 +0000 (UTC)
archived-at: Tue, 23 Aug 2016 01:21:07 -0000

Github user beyond1920 commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2389#discussion_r75789222
  
    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/rpc/resourcemanager/ResourceManager.java ---
    @@ -94,26 +130,218 @@ public RegistrationResponse apply(final JobMasterGateway jobMasterGateway) {
     	 * @return Slot assignment
     	 */
     	@RpcMethod
    -	public SlotAssignment requestSlot(SlotRequest slotRequest) {
    -		System.out.println("SlotRequest: " + slotRequest);
    -		return new SlotAssignment();
    +	public AcknowledgeSlotRequest requestSlot(SlotRequest slotRequest) {
    +		// TODO slotManager.requestSlot(slotRequest);
    +		return new AcknowledgeSlotRequest(slotRequest.getAllocationID());
     	}
     
     
     	/**
    -	 *
    -	 * @param resourceManagerLeaderId  The fencing token for the ResourceManager leader 
    -	 * @param taskExecutorAddress      The address of the TaskExecutor that registers
    -	 * @param resourceID               The resource ID of the TaskExecutor that registers
    +	 * @param resourceManagerLeaderId The fencing token for the ResourceManager leader
    +	 * @param taskExecutorAddress     The address of the TaskExecutor that registers
    +	 * @param resourceID              The resource ID of the TaskExecutor that registers
     	 *
     	 * @return The response by the ResourceManager.
     	 */
     	@RpcMethod
    -	public org.apache.flink.runtime.rpc.registration.RegistrationResponse registerTaskExecutor(
    -			UUID resourceManagerLeaderId,
    -			String taskExecutorAddress,
    -			ResourceID resourceID) {
    +	public Future<org.apache.flink.runtime.rpc.registration.RegistrationResponse> registerTaskExecutor(
    +		final UUID resourceManagerLeaderId,
    +		final String taskExecutorAddress,
    +		final ResourceID resourceID
    +	) {
    +		log.info("received register from taskExecutor {}, address {}", resourceID, taskExecutorAddress);
    +		Future<TaskExecutorGateway> taskExecutorFuture =
    +			getRpcService().connect(taskExecutorAddress, TaskExecutorGateway.class);
    +
    +		return taskExecutorFuture.map(new Mapper<TaskExecutorGateway, org.apache.flink.runtime.rpc.registration.RegistrationResponse>() {
    +			@Override
    +			public org.apache.flink.runtime.rpc.registration.RegistrationResponse apply(final TaskExecutorGateway taskExecutorGateway) {
    +				// decline registration if resourceManager cannot connect to the taskExecutor using the given address
    +				if(taskExecutorGateway == null) {
    --- End diff --
    
    getRpcService().connect(taskExecutorAddress, TaskExecutorGateway.class); now if the address is invalid, then taskExecutorGateway is null.


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