content: /*
   *                         Vortex OpenSplice
   *
   *   This software and documentation are Copyright 2006 to TO_YEAR ADLINK
   *   Technology Limited, its affiliated companies and licensors. All rights
   *   reserved.
   *
   *   Licensed under the Apache License, Version 2.0 (the "License");
   *   you may not use this file except in compliance with the License.
   *   You may obtain a copy of the License at
   *
   *       http://www.apache.org/licenses/LICENSE-2.0
   *
   *   Unless required by applicable law or agreed to in writing, software
   *   distributed under the License is distributed on an "AS IS" BASIS,
   *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *   See the License for the specific language governing permissions and
   *   limitations under the License.
   *
   */
  package org.opensplice.dds.core;
  
  import java.util.Collection;
  import java.util.Collections;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.TimeoutException;
  
  import org.omg.dds.core.Condition;
  import org.omg.dds.core.Duration;
  import org.omg.dds.core.ServiceEnvironment;
  import org.omg.dds.core.WaitSet;
  
  public class WaitSetImpl extends WaitSet {
      private final OsplServiceEnvironment environment;
      private final DDS.WaitSet oldWaitSet;
      private ConcurrentHashMap<DDS.Condition, org.omg.dds.core.Condition> conditions;
  
      public WaitSetImpl(OsplServiceEnvironment environment) {
          this.environment = environment;
          this.oldWaitSet = new DDS.WaitSet();
          this.conditions = new ConcurrentHashMap<DDS.Condition, org.omg.dds.core.Condition>();
      }
  
      @Override
      public ServiceEnvironment getEnvironment() {
          return this.environment;
      }
  
      @Override
      public void waitForConditions() {
          DDS.ConditionSeqHolder holder = new DDS.ConditionSeqHolder();
          int rc = this.oldWaitSet._wait(holder, DDS.DURATION_INFINITE.value);
  
          Utilities.checkReturnCode(rc, this.environment,
                  "Waitset.waitForConditions() failed.");
  
          return;
      }
  
      @Override
      public void waitForConditions(Collection<Condition> activeConditions) {
          if (activeConditions == null) {
              throw new IllegalArgumentExceptionImpl(this.environment,
                      "Illegal Collection<Condition> (null) provided.");
          }
  
          DDS.ConditionSeqHolder holder = new DDS.ConditionSeqHolder();
          int rc = this.oldWaitSet._wait(holder, DDS.DURATION_INFINITE.value);
  
          Utilities.checkReturnCode(rc, this.environment,
                  "Waitset.waitForConditions() failed.");
  
          activeConditions.clear();
  
          for (DDS.Condition cond : holder.value) {
              activeConditions.add(this.conditions.get(cond));
          }
      }
  
      @Override
      public void waitForConditions(Duration timeout) throws TimeoutException {
          if (timeout == null) {
              throw new IllegalArgumentExceptionImpl(this.environment,
                      "Illegal Duration (null) provided.");
          }
          DDS.ConditionSeqHolder holder = new DDS.ConditionSeqHolder();
          DDS.Duration_t oldTimeout = Utilities
                  .convert(this.environment, timeout);
  
          int rc = this.oldWaitSet._wait(holder, oldTimeout);
  
          Utilities.checkReturnCodeWithTimeout(rc, this.environment,
                  "Waitset.waitForConditions() failed.");
      }
  
      @Override
      public void waitForConditions(long timeout, TimeUnit unit)
              throws TimeoutException {
          this.waitForConditions(this.environment.getSPI().newDuration(timeout,
                  unit));
      }
  
      @Override
      public void waitForConditions(Collection<Condition> activeConditions,
              Duration timeout) throws TimeoutException {
  
          if (activeConditions == null) {
              throw new IllegalArgumentExceptionImpl(this.environment,
                      "Illegal Collection<Condition> (null) provided.");
  
          }
          DDS.ConditionSeqHolder holder = new DDS.ConditionSeqHolder();
          DDS.Duration_t oldTimeout = Utilities
                  .convert(this.environment, timeout);
  
          int rc = this.oldWaitSet._wait(holder, oldTimeout);
  
          Utilities.checkReturnCode(rc, this.environment,
                  "Waitset.waitForConditions() failed.");
  
          activeConditions.clear();
  
          for (DDS.Condition cond : holder.value) {
              activeConditions.add(this.conditions.get(cond));
          }
  
      }
  
      @Override
      public void waitForConditions(Collection<Condition> activeConditions,
              long timeout, TimeUnit unit) throws TimeoutException {
          this.waitForConditions(activeConditions, this.environment.getSPI()
                  .newDuration(timeout, unit));
  
      }
  
      @Override
      public void attachCondition(Condition cond) {
          org.opensplice.dds.core.Condition<?> c;
  
          if (cond == null) {
              throw new IllegalArgumentExceptionImpl(this.environment,
                      "Illegal Condition (null) provided.");
          }
          try {
              c = (org.opensplice.dds.core.Condition<?>) cond;
          } catch (ClassCastException cce) {
              throw new IllegalArgumentExceptionImpl(this.environment,
                      "Attaching non-OpenSplice Condition implementation is not supported.");
          }
          DDS.Condition old = c.getOldCondition();
          int rc = this.oldWaitSet.attach_condition(old);
          Utilities.checkReturnCode(rc, this.environment,
                  "Attaching condition failed.");
  
          this.conditions.put(old, cond);
  
      }
  
      @Override
      public void detachCondition(Condition cond) {
          org.opensplice.dds.core.Condition<?> c;
  
          if (cond == null) {
              throw new IllegalArgumentExceptionImpl(this.environment,
                      "Illegal Condition (null) provided.");
          }
          try {
              c = (org.opensplice.dds.core.Condition<?>) cond;
          } catch (ClassCastException cce) {
              throw new IllegalArgumentExceptionImpl(this.environment,
                      "Detaching non-OpenSplice Condition implementation is not supported.");
          }
          DDS.Condition old = c.getOldCondition();
          int rc = this.oldWaitSet.detach_condition(old);
          Utilities.checkReturnCode(rc, this.environment,
                  "Detaching condition failed.");
  
          this.conditions.remove(old);
  
      }
  
      @Override
      public Collection<Condition> getConditions() {
          return Collections.unmodifiableCollection(conditions.values());
      }
  
      @Override
      public String toString() {
          return "WaitSet (" + Integer.toHexString(this.hashCode()) + ")";
      }
  }
  