runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/ProcessThreadGroup.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.slc.core.execution;
  18
  19 import java.util.ArrayList;
  20 import java.util.List;
  21 import java.util.concurrent.ArrayBlockingQueue;
  22 import java.util.concurrent.BlockingQueue;
  23
  24 import org.argeo.slc.execution.ExecutionModulesManager;
  25 import org.argeo.slc.execution.ExecutionProcess;
  26 import org.argeo.slc.execution.ExecutionStep;
  27 import org.argeo.slc.process.SlcExecution;
  28 import org.argeo.slc.process.SlcExecutionStep;
  29 import org.springframework.security.Authentication;
  30 import org.springframework.security.context.SecurityContextHolder;
  31
  32 /** The thread group attached to a given {@link SlcExecution}. */
  33 @SuppressWarnings("deprecation")
  34 public class ProcessThreadGroup extends ThreadGroup {
  35         private final ExecutionModulesManager executionModulesManager;
  36         private final ProcessThread processThread;
  37         private final Authentication authentication;
  38         private final static Integer STEPS_BUFFER_CAPACITY = 5000;
  39
  40         private BlockingQueue<ExecutionStep> steps = new ArrayBlockingQueue<ExecutionStep>(
  41                         STEPS_BUFFER_CAPACITY);
  42
  43         public ProcessThreadGroup(ExecutionModulesManager executionModulesManager,
  44                         ProcessThread processThread) {
  45                 super("SLC Process #" + processThread.getProcess().getUuid()
  46                                 + " thread group");
  47                 this.executionModulesManager = executionModulesManager;
  48                 this.processThread = processThread;
  49                 this.authentication = SecurityContextHolder.getContext()
  50                                 .getAuthentication();
  51         }
  52
  53         public Authentication getAuthentication() {
  54                 return authentication;
  55         }
  56
  57         public void dispatchAddStep(ExecutionStep step) {
  58                 // legacy
  59                 ExecutionProcess slcProcess = processThread.getProcess();
  60                 if (slcProcess instanceof SlcExecution)
  61                         ((SlcExecution) slcProcess).getSteps().add((SlcExecutionStep) step);
  62
  63                 List<ExecutionStep> steps = new ArrayList<ExecutionStep>();
  64                 steps.add(step);
  65                 // dispatchAddSteps(steps);
  66                 this.steps.add(step);
  67         }
  68
  69         public void dispatchAddSteps(List<ExecutionStep> steps) {
  70                 ExecutionProcess slcProcess = processThread.getProcess();
  71                 executionModulesManager.dispatchAddSteps(slcProcess, steps);
  72         }
  73
  74         public BlockingQueue<ExecutionStep> getSteps() {
  75                 return steps;
  76         }
  77
  78 }