Examples of org.apache.tapestry.services.ClassTransformation.claimField()

Class org.apache.tapestry.services.ClassTransformation

Examples of org.apache.tapestry.services.ClassTransformation.claimField()

org.apache.tapestry.services.ClassTransformation.claimField()
Claims a field so as to ensure that only a single annotation is applied to any single field. When a transformation occurs (driven by a field annotation), the first thing that occurs is to claim the field, on behalf of the annotation. @param fieldName the name of the field that is being claimed @param tag a non-null object that represents why the field is being tagged (this is typically a specific annotation on the field) @throws IllegalArgumentException if the fieldName does not correspond to a declared instance field @throws IllegalStateException if the field is already claimed for some other tag


        List<String> unclaimed = ct.findUnclaimedFields();


        assertEquals(unclaimed, asList("_field1", "_field4", "_zzfield"));


        ct.claimField("_field4", "Fred");


        unclaimed = ct.findUnclaimedFields();


        assertEquals(unclaimed, asList("_field1", "_zzfield"));

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        assertEquals(unclaimed, asList("_field1", "_zzfield"));


        try
        {
            ct.claimField("_field4", "Barney");
            unreachable();
        }
        catch (RuntimeException ex)
        {
            assertEquals(

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        train_getFieldAnnotation(ct, "fred", Inject.class, fredAnnotation);


        train_value(fredAnnotation, "");


        ct.makeReadOnly("fred");
        ct.claimField("fred", fredAnnotation);


        train_getFieldAnnotation(ct, "_barneyBlock", Inject.class, barneyAnnotation);
        train_value(barneyAnnotation, "barney");


        ct.makeReadOnly("_barneyBlock");

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        train_getFieldAnnotation(ct, "_barneyBlock", Inject.class, barneyAnnotation);
        train_value(barneyAnnotation, "barney");


        ct.makeReadOnly("_barneyBlock");
        ct.claimField("_barneyBlock", barneyAnnotation);


        train_extendMethod(
                ct,
                TransformConstants.CONTAINING_PAGE_DID_LOAD_SIGNATURE,
                "{",

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        replay();


        ClassTransformation ct = createClassTransformation(ParentClass.class, logger);


        ct.claimField("_annotatedField", this);


        List<String> fields = ct.findFieldsWithAnnotation(Retain.class);


        assertTrue(fields.isEmpty());

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        List<String> unclaimed = ct.findUnclaimedFields();


        assertEquals(unclaimed, asList("_field1", "_field4", "_zzfield"));


        ct.claimField("_field4", "Fred");


        unclaimed = ct.findUnclaimedFields();


        assertEquals(unclaimed, asList("_field1", "_zzfield"));

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        assertEquals(unclaimed, asList("_field1", "_zzfield"));


        try
        {
            ct.claimField("_field4", "Barney");
            unreachable();
        }
        catch (RuntimeException ex)
        {
            assertEquals(ex.getMessage(),

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        train_addInjectedField(ct, Resource.class, "baseResource", r, "res");
        train_getResourcesFieldName(ct, "resources");


        ct.makeReadOnly("_fred");
        ct.claimField("_fred", annotation);


        train_extendMethod(
                ct,
                TransformConstants.CONTAINING_PAGE_DID_LOAD_SIGNATURE,
                "{",

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        replay();


        ClassTransformation ct = createClassTransformation(FindFieldClass.class, log);


        ct.claimField("_booleanValue", this);


        checkFindFields(ct, "boolean");


        verify();
    }

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        replay();


        ClassTransformation ct = createClassTransformation(ParentClass.class, log);


        ct.claimField("_annotatedField", this);


        List<String> fields = ct.findFieldsWithAnnotation(Retain.class);


        assertTrue(fields.isEmpty());

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