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

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   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 package org.argeo.slc.core.execution;
  17
  18 import java.util.ArrayList;
  19 import java.util.List;
  20 import java.util.concurrent.ArrayBlockingQueue;
  21 import java.util.concurrent.BlockingQueue;
  22
  23 import org.argeo.slc.execution.ExecutionModulesManager;
  24 import org.argeo.slc.execution.ExecutionProcess;
  25 import org.argeo.slc.execution.ExecutionStep;
  26 import org.argeo.slc.process.SlcExecution;
  27 import org.argeo.slc.process.SlcExecutionStep;
  28 import org.springframework.security.Authentication;
  29 import org.springframework.security.context.SecurityContextHolder;
  30
  31 /** The thread group attached to a given {@link SlcExecution}. */
  32 @SuppressWarnings("deprecation")
  33 public class ProcessThreadGroup extends ThreadGroup {
  34         private final ExecutionModulesManager executionModulesManager;
  35         private final ProcessThread processThread;
  36         private final Authentication authentication;
  37         private final static Integer STEPS_BUFFER_CAPACITY = 5000;
  38
  39         private BlockingQueue<ExecutionStep> steps = new ArrayBlockingQueue<ExecutionStep>(
  40                         STEPS_BUFFER_CAPACITY);
  41
  42         public ProcessThreadGroup(ExecutionModulesManager executionModulesManager,
  43                         ProcessThread processThread) {
  44                 super("SLC Process #" + processThread.getProcess().getUuid()
  45                                 + " thread group");
  46                 this.executionModulesManager = executionModulesManager;
  47                 this.processThread = processThread;
  48                 this.authentication = SecurityContextHolder.getContext()
  49                                 .getAuthentication();
  50         }
  51
  52         public Authentication getAuthentication() {
  53                 return authentication;
  54         }
  55
  56         public void dispatchAddStep(ExecutionStep step) {
  57                 // legacy
  58                 ExecutionProcess slcProcess = processThread.getProcess();
  59                 if (slcProcess instanceof SlcExecution)
  60                         ((SlcExecution) slcProcess).getSteps().add((SlcExecutionStep) step);
  61
  62                 List<ExecutionStep> steps = new ArrayList<ExecutionStep>();
  63                 steps.add(step);
  64                 // dispatchAddSteps(steps);
  65                 this.steps.add(step);
  66         }
  67
  68         public void dispatchAddSteps(List<ExecutionStep> steps) {
  69                 ExecutionProcess slcProcess = processThread.getProcess();
  70                 executionModulesManager.dispatchAddSteps(slcProcess, steps);
  71         }
  72
  73         public BlockingQueue<ExecutionStep> getSteps() {
  74                 return steps;
  75         }
  76
  77 }