EventContext.java

package jetbrains.mps.debugger.java.runtime.engine.events;

/*Generated by MPS */

import com.sun.jdi.event.EventSet;
import com.sun.jdi.ThreadReference;
import org.jetbrains.annotations.NotNull;
import com.sun.jdi.event.LocatableEvent;
import jetbrains.mps.internal.collections.runtime.Sequence;
import jetbrains.mps.internal.collections.runtime.ISequenceClosure;
import com.sun.jdi.event.Event;
import jetbrains.mps.internal.collections.runtime.IWhereFilter;
import jetbrains.mps.debugger.java.runtime.engine.RequestManager;

public class EventContext implements Context {
  private final EventSet myEventSet;
  private int myVotesToVote;
  private final EventsProcessor myEventProcessor;
  private final ThreadReference myThreadReference;
  public EventContext(@NotNull EventsProcessor eventProcessor, @NotNull EventSet eventSet) {
    myEventSet = eventSet;
    myEventProcessor = eventProcessor;
    myVotesToVote = eventSet.size();

    LocatableEvent event = (LocatableEvent) Sequence.fromIterable(Sequence.fromClosure(new ISequenceClosure<Event>() {
      public Iterable<Event> iterable() {
        return myEventSet;
      }
    })).findFirst(new IWhereFilter<Event>() {
      public boolean accept(Event it) {
        return it instanceof LocatableEvent;
      }
    });
    myThreadReference = check_gqjtnu_a0f0e(event);
  }
  @Override
  public int getSuspendPolicy() {
    return myEventSet.suspendPolicy();
  }
  @Override
  public ThreadReference getThread() {
    return myThreadReference;
  }
  public RequestManager getRequestManager() {
    return myEventProcessor.getRequestManager();
  }
  /*package*/ void vote() {
    // only called from ContextManager 
    myVotesToVote--;
  }
  /*package*/ boolean isProcessed() {
    // only called from ContextManager 
    return myVotesToVote == 0;
  }
  /*package*/ void resume() {
    // only called from ContextManager 
    myEventSet.resume();
  }
  @NotNull
  public EventSet getEventSet() {
    return myEventSet;
  }
  private static ThreadReference check_gqjtnu_a0f0e(LocatableEvent checkedDotOperand) {
    if (null != checkedDotOperand) {
      return checkedDotOperand.thread();
    }
    return null;
  }
}