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.sub;
  
  import java.util.Collection;
  import java.util.Set;
  
  import org.omg.dds.core.ServiceEnvironment;
  import org.omg.dds.sub.DataReader;
  import org.omg.dds.sub.InstanceState;
  import org.omg.dds.sub.ReadCondition;
  import org.omg.dds.sub.SampleState;
  import org.omg.dds.sub.ViewState;
  import org.opensplice.dds.core.Condition;
  import org.opensplice.dds.core.IllegalArgumentExceptionImpl;
  import org.opensplice.dds.core.OsplServiceEnvironment;
  import org.opensplice.dds.core.Utilities;
  
  public class ReadConditionImpl<TYPE> implements ReadCondition<TYPE>,
          Condition<DDS.ReadCondition> {
      protected final OsplServiceEnvironment environment;
      protected DDS.ReadCondition old;
      protected final AbstractDataReader<TYPE> parent;
      protected final DataStateImpl state;
  
      public ReadConditionImpl(OsplServiceEnvironment environment,
              AbstractDataReader<TYPE> parent,
              Collection<SampleState> sampleState,
              Collection<ViewState> viewState,
              Collection<InstanceState> instanceState) {
          this(environment, parent, new DataStateImpl(environment, sampleState,
                  viewState, instanceState), true);
      }
  
      public ReadConditionImpl(OsplServiceEnvironment environment,
              AbstractDataReader<TYPE> parent, DataStateImpl state) {
          this(environment, parent, state, true);
      }
  
      public ReadConditionImpl(OsplServiceEnvironment environment,
              AbstractDataReader<TYPE> parent) {
          this(environment, parent, DataStateImpl.any(environment), true);
      }
  
      public ReadConditionImpl(OsplServiceEnvironment environment,
              AbstractDataReader<TYPE> parent, boolean setupCondition) {
          this(environment, parent, DataStateImpl.any(environment),
                  setupCondition);
      }
  
      public ReadConditionImpl(OsplServiceEnvironment environment,
              AbstractDataReader<TYPE> parent, DataStateImpl state,
              boolean setupCondition) {
          this.environment = environment;
          this.parent = parent;
          this.state = state;
  
          if (state == null) {
              throw new IllegalArgumentExceptionImpl(environment,
                      "Illegal DataState (null) provided.");
          }
  
          if (setupCondition) {
              this.old = parent.getOld().create_readcondition(
                      this.state.getOldSampleState(),
                      this.state.getOldViewState(),
                      this.state.getOldInstanceState());
  
              if (this.old == null) {
                  Utilities.throwLastErrorException(this.environment);
              }
          }
      }
  
      @Override
      public boolean getTriggerValue() {
          return this.old.get_trigger_value();
      }
  
      @Override
      public ServiceEnvironment getEnvironment() {
          return this.environment;
      }
  
      @Override
      public Set<SampleState> getSampleStates() {
          return this.state.getSampleStates();
      }
  
      @Override
      public Set<ViewState> getViewStates() {
          return this.state.getViewStates();
      }
  
      @Override
      public Set<InstanceState> getInstanceStates() {
          return this.state.getInstanceStates();
      }
  
      @Override
      public DataReader<TYPE> getParent() {
          return this.parent;
      }
  
      public DDS.ReadCondition getOld() {
          return this.old;
      }
  
      @Override
      public void close() {
          this.parent.destroyReadCondition(this);
      }
  
      public DataStateImpl getState(){
          return this.state.clone();
      }
  
      @Override
      public DDS.ReadCondition getOldCondition() {
          return this.old;
      }
  
  }
  