Examples of ReferenceDescriptor

org.apache.avalon.meta.info.ReferenceDescriptor
This reference defines the type of interface required by a component. The type corresponds to the class name of the interface implemented by component. Associated with each classname is a version object so that different versions of same interface can be represented. @author Avalon Development Team @version $Revision: 1.1.1.1 $ $Date: 2003/09/24 08:15:09 $
org.jbpm.pvm.internal.wire.descriptor.ReferenceDescriptor

This {@link Descriptor} specifies a reference to an object.The object referenced should be declared somewhere else in the wireContext.

The constructed object is the referenced object.

The {@link #init} field can be used to force initialization of the referenced object.
@author Tom Baeyens @author Guillaume Porcher (documentation)
org.jbpm.wire.descriptor.ReferenceDescriptor

This {@link Descriptor} specifies a reference to an object.The object referenced should be declared somewhere else in the wireContext.

The constructed object is the referenced object.

The {@link #init} field can be used to force initialization of the referenced object.
@author Tom Baeyens @author Guillaume Porcher (documentation)

Examples of org.apache.avalon.meta.info.ReferenceDescriptor

        final EntryDescriptor[] entries =
            buildEntries( info.getChild( "entries" ).getChildren("entry") );
        final String versionString = info.getChild( "version" ).getValue( "1.0" );
        final Version version = buildVersion( versionString );


        return new Service( new ReferenceDescriptor( classname, version ), entries, attributes );
    }

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Examples of org.apache.avalon.meta.info.ReferenceDescriptor

    }


    public void setUp()
    {
        m_role = "Test";
        m_reference = new ReferenceDescriptor( DependencyDescriptorTestCase.class.getName(), Version.getVersion( "1.2.1" ) );
    }

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Examples of org.apache.avalon.meta.info.ReferenceDescriptor


    public void testConstructor()
    {
        try
        {
            new ReferenceDescriptor(null, m_version);
            fail("Did not throw the expected NullPointerException");
        }
        catch (NullPointerException npe)
        {
            // Success!
        }


        try
        {
            new ReferenceDescriptor( null );
            fail( "Did not throw the expected NullPointerException" );
        }
        catch ( NullPointerException npe )
        {
            // Success!
        }


        ReferenceDescriptor ref = new ReferenceDescriptor( m_classname, m_version );
        checkDescriptor( ref, m_classname, m_version );


        ref = new ReferenceDescriptor( m_classname + ":3.2.1" );
        checkDescriptor( ref, m_classname, Version.getVersion("3.2.1"));
    }

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Examples of org.apache.avalon.meta.info.ReferenceDescriptor

        assertEquals(version, ref.getVersion());
    }


    public void testCompliance()
    {
        ReferenceDescriptor ref = new ReferenceDescriptor( m_classname, m_version );
        ReferenceDescriptor any = new ReferenceDescriptor( m_classname, new Version( -1, 0, 0 ) );


        assertTrue( "anything matches explicit", any.matches( ref ) );
        assertFalse( "explicit does not match anything", ref.matches( any ) );
    }

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Examples of org.apache.avalon.meta.info.ReferenceDescriptor

        assertFalse( "explicit does not match anything", ref.matches( any ) );
    }


    public void testSerialization() throws IOException, ClassNotFoundException
    {
        ReferenceDescriptor entry = new ReferenceDescriptor( m_classname, m_version );
        checkDescriptor( entry, m_classname, m_version );


        File file = new File( "test.out" );
        ObjectOutputStream oos = new ObjectOutputStream( new FileOutputStream( file ) );
        oos.writeObject( entry );
        oos.close();


        ObjectInputStream ois = new ObjectInputStream( new FileInputStream( file ) );
        ReferenceDescriptor serialized = (ReferenceDescriptor) ois.readObject();
        ois.close();
        file.delete();


        checkDescriptor( entry, m_classname, m_version );


        assertEquals( entry, serialized );
        assertEquals( entry.hashCode(), serialized.hashCode() );
    }

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Examples of org.apache.avalon.meta.info.ReferenceDescriptor

    {
        final String value = getNamedParameter( tag, TYPE_PARAM );
        final String type = resolveType( value );
        final String versionString = getNamedParameter( tag, VERSION_PARAM, null );
        final Version version = resolveVersion( versionString, value );
        final ReferenceDescriptor ref = new ReferenceDescriptor( type, version );
        return new ServiceDescriptor( ref, null );
    }

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Examples of org.apache.avalon.meta.info.ReferenceDescriptor

        return new Service(m_reference, m_entries, getProperties());
    }


    public void setUp()
    {
        m_reference = new ReferenceDescriptor(ServiceTestCase.class.getName(), Version.getVersion("1.2.3"));
        m_entries = new EntryDescriptor[] {
            new EntryDescriptor("key", String.class.getName())
        };
    }

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Examples of org.jbpm.pvm.internal.wire.descriptor.ReferenceDescriptor

  public RefBinding() {
    super("ref");
  }


  public Object parse(Element element, Parse parse, Parser parser) {
    ReferenceDescriptor descriptor = new ReferenceDescriptor();
    if (element.hasAttribute("object")) {
      descriptor.setValue(element.getAttribute("object"));
    } else {
      parse.addProblem("ref must have object attribute: "+XmlUtil.toString(element), element);
    }
    return descriptor;
  }

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Examples of org.jbpm.pvm.internal.wire.descriptor.ReferenceDescriptor


    // inject the command executor


    if (element.hasAttribute("command-service")) {
      descriptor.addInjection("commandService", 
          new ReferenceDescriptor(element.getAttribute("command-service"))
      );
    } else {
      descriptor.addInjection("commandService", 
          new ContextTypeRefDescriptor(CommandService.class)
      );

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Examples of org.jbpm.pvm.internal.wire.descriptor.ReferenceDescriptor

          ExpressionEvaluatorDescriptor expressionDescriptor = new ExpressionEvaluatorDescriptor(expr, lang);
          transition.setConditionDescriptor(expressionDescriptor);
          
        } else if (conditionElement.hasAttribute("ref")) {
          String expr = conditionElement.getAttribute("ref");
          ReferenceDescriptor refDescriptor = new ReferenceDescriptor(expr);
          transition.setConditionDescriptor(refDescriptor);
          
        } else if (ObjectBinding.isObjectDescriptor(conditionElement)) {
          ObjectDescriptor conditionDescriptor = (ObjectDescriptor) objectBinding.parse(conditionElement, parse, parser);
          transition.setConditionDescriptor(conditionDescriptor);

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