Examples of com.sun.jdi.ObjectReference

com.sun.jdi.ObjectReference
An object that currently exists in the target VM. An ObjectReference mirrors only the object itself and is not specific to any {@link Field} or {@link LocalVariable} to which it is currentlyassigned. An ObjectReference can have 0 or more references from field(s) and/or variable(s).
Any method on ObjectReference which directly or indirectly takes ObjectReference as an parameter may throw {@link com.sun.jdi.VMDisconnectedException} if the target VM isdisconnected and the {@link com.sun.jdi.event.VMDisconnectEvent} has been or isavailable to be read from the {@link com.sun.jdi.event.EventQueue}.
Any method on ObjectReference which directly or indirectly takes ObjectReference as an parameter may throw {@link com.sun.jdi.VMOutOfMemoryException} if the target VM has run out of memory.
Any method on ObjectReference or which directly or indirectly takes ObjectReference as parameter may throw {@link com.sun.jdi.ObjectCollectedException} if the mirrored object has beengarbage collected. @author Robert Field @author Gordon Hirsch @author James McIlree @since 1.3

                        final String varName = ((StringReference) varIter.next()).value();


                        IJavaValue val = (IJavaValue) DebugUtil.getValueByExpression( "return getFactory().getVariableResolver(\"" + varName + "\").getValue();",
                                                                                      frameLocal.getValue() );
                        if ( val != null ) {
                            final ObjectReference valRef = ((JDIObjectValue) val).getUnderlyingObject();
                            VariableWrapper local = new VariableWrapper( varName,
                                                                         val );


                            local.setPublic( true );
                            result.add( local );

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        try {
            Object o = getRemoteVar( "label" );
            if ( o == null ) {
                return -1;
            }
            ObjectReference obj = (ObjectReference) o;
            ClassType frameType = (ClassType) obj.type();
            Field field = frameType.fieldByName( "lineNumber" );
            o = obj.getValue( field );
            if ( o == null ) {
                return -1;
            }
            IntegerValue val = (IntegerValue) o;
            int realval = val.value();

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            try {
                Object rem = getRemoteVar( "label" );
                if ( rem == null ) {
                    return null;
                }
                ObjectReference obj = (ObjectReference) rem;
                ClassType frameType = (ClassType) obj.type();
                Field field = frameType.fieldByName( "sourceFile" );
                rem = obj.getValue( field );
                if ( rem == null ) {
                    return null;
                }
                StringReference res = (StringReference) rem;
                String realres = res.value();

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        Method m = (Method) refType.methodsByName( "registerBreakpoint" ).iterator().next();
        List<Value> args = new ArrayList<Value>();
        IntegerValue lineVal = getVM().mirrorOf( line );
        StringReference nameVal = getVM().mirrorOf( sourceName );
        JDIObjectValue val = (JDIObjectValue) newValue( sourceName );
        ObjectReference realVal = val.getUnderlyingObject();
        args.add( nameVal );
        args.add( lineVal );


        try {
            ClassType tt = (ClassType) debugHandlerClass;

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        Method m = (Method) refType.methodsByName( "removeBreakpoint" ).iterator().next();
        List<Value> args = new ArrayList<Value>();
        IntegerValue lineVal = getVM().mirrorOf( line );
        StringReference nameVal = getVM().mirrorOf( sourceName );
        JDIObjectValue val = (JDIObjectValue) newValue( sourceName );
        ObjectReference realVal = val.getUnderlyingObject();
        args.add( nameVal );
        args.add( lineVal );


        try {
            ClassType tt = (ClassType) debugHandlerClass;

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    assertEquals(7, result);
  }


  @Test
  public void testEvaluate() throws Throwable {
    ObjectReference promise = remote.evaluateForked("3+4");
    ThreadReference thread = ((ThreadReference) remote.invokeMethod(
        promise, "thread"));
    Value result1 = remote.invokeMethod(promise, "result");
    Value ex = remote.invokeMethod(promise, "throwable");
    printThreadState();
    VMTargetStarter.sleep(100);
    printThreadState();


    boolean isFinished = ((BooleanValue) remote.invokeMethod(promise,
        "isFinished")).booleanValue();


    assertTrue(isFinished);
    ObjectReference result = (ObjectReference) remote.invokeMethod(promise,
        "result");
    IntegerValue intValue = (IntegerValue) remote.invokeMethod(result,
        "intValue");
    assertEquals(7, intValue.intValue());
  }

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    assertEquals(7, intValue.intValue());
  }


  @Test
  public void testDNU() throws Throwable {
    ObjectReference promise = remote.evaluateForked("3 fromage");
    ThreadReference thread = ((ThreadReference) remote.invokeMethod(
        promise, "thread"));
    remote.invokeMethod(thread, "start");
    ObjectReference state = (ObjectReference) remote.invokeMethod(thread, "getState");
    StringReference str = (StringReference) remote.invokeMethod(state, "toString");
    System.out.println(str.value());
    
    printStack(thread);
//    assertFalse(thread.isSuspended());

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                        final String varName = ((StringReference) varIter.next()).value();


                        IJavaValue val = (IJavaValue) DebugUtil.getValueByExpression( "return getFactory().getVariableResolver(\"" + varName + "\").getValue();",
                                                                                      frameLocal.getValue() );
                        if ( val != null ) {
                            final ObjectReference valRef = ((JDIObjectValue) val).getUnderlyingObject();
                            VariableWrapper local = new VariableWrapper( varName,
                                                                         val );


                            local.setPublic( true );
                            result.add( local );

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        try {
            Object o = getRemoteVar( "label" );
            if ( o == null ) {
                return -1;
            }
            ObjectReference obj = (ObjectReference) o;
            ClassType frameType = (ClassType) obj.type();
            Field field = frameType.fieldByName( "lineNumber" );
            o = obj.getValue( field );
            if ( o == null ) {
                return -1;
            }
            IntegerValue val = (IntegerValue) o;
            int realval = val.value();

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            try {
                Object rem = getRemoteVar( "label" );
                if ( rem == null ) {
                    return null;
                }
                ObjectReference obj = (ObjectReference) rem;
                ClassType frameType = (ClassType) obj.type();
                Field field = frameType.fieldByName( "sourceFile" );
                rem = obj.getValue( field );
                if ( rem == null ) {
                    return null;
                }
                StringReference res = (StringReference) rem;
                String realres = res.value();

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