Examples of org.eclipse.persistence.internal.libraries.asm.MethodVisitor.visitLabel()

Package org.eclipse.persistence.internal.libraries.asm

Class org.eclipse.persistence.internal.libraries.asm.MethodVisitor

Examples of org.eclipse.persistence.internal.libraries.asm.MethodVisitor.visitLabel()

org.eclipse.persistence.internal.libraries.asm.MethodVisitor.visitLabel()
Visits a label. A label designates the instruction that will be visited just after it. @param label a {@link Label Label} object.

        cv_isAttributeFetched.visitFieldInsn(GETFIELD, classDetails.getClassName(), "_persistence_fetchGroup", FETCHGROUP_SIGNATURE);
        cv_isAttributeFetched.visitVarInsn(ALOAD, 1);
        cv_isAttributeFetched.visitMethodInsn(INVOKEVIRTUAL, FETCHGROUP_SHORT_SIGNATURE, "containsAttributeInternal", "(Ljava/lang/String;)Z");
        Label gotoFalse = new Label();
        cv_isAttributeFetched.visitJumpInsn(IFEQ, gotoFalse);
        cv_isAttributeFetched.visitLabel(gotoTrue);
        cv_isAttributeFetched.visitInsn(ICONST_1);
        Label gotoReturn = new Label();
        cv_isAttributeFetched.visitJumpInsn(GOTO, gotoReturn);
        cv_isAttributeFetched.visitLabel(gotoFalse);
        cv_isAttributeFetched.visitInsn(ICONST_0);

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        cv_isAttributeFetched.visitJumpInsn(IFEQ, gotoFalse);
        cv_isAttributeFetched.visitLabel(gotoTrue);
        cv_isAttributeFetched.visitInsn(ICONST_1);
        Label gotoReturn = new Label();
        cv_isAttributeFetched.visitJumpInsn(GOTO, gotoReturn);
        cv_isAttributeFetched.visitLabel(gotoFalse);
        cv_isAttributeFetched.visitInsn(ICONST_0);
        cv_isAttributeFetched.visitLabel(gotoReturn);
        cv_isAttributeFetched.visitInsn(IRETURN);
        cv_isAttributeFetched.visitMaxs(0, 0);

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        cv_isAttributeFetched.visitInsn(ICONST_1);
        Label gotoReturn = new Label();
        cv_isAttributeFetched.visitJumpInsn(GOTO, gotoReturn);
        cv_isAttributeFetched.visitLabel(gotoFalse);
        cv_isAttributeFetched.visitInsn(ICONST_0);
        cv_isAttributeFetched.visitLabel(gotoReturn);
        cv_isAttributeFetched.visitInsn(IRETURN);
        cv_isAttributeFetched.visitMaxs(0, 0);


        MethodVisitor cv_checkFetched = cv.visitMethod(ACC_PUBLIC, "_persistence_checkFetched", "(Ljava/lang/String;)V", null, null);
        cv_checkFetched.visitVarInsn(ALOAD, 0);

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        cv_checkFetched.visitJumpInsn(IFNE, gotoReturn);
        cv_checkFetched.visitVarInsn(ALOAD, 0);
        cv_checkFetched.visitTypeInsn(CHECKCAST, FETCHGROUP_TRACKER_SHORT_SIGNATURE);
        cv_checkFetched.visitVarInsn(ALOAD, 1);
        cv_checkFetched.visitMethodInsn(INVOKESTATIC, ENTITY_MANAGER_IMPL_SHORT_SIGNATURE, "processUnfetchedAttribute", "(" + FETCHGROUP_TRACKER_SIGNATURE + "Ljava/lang/String;)V");
        cv_checkFetched.visitLabel(gotoReturn);
        cv_checkFetched.visitInsn(RETURN);
        cv_checkFetched.visitMaxs(0, 0);


        MethodVisitor cv_checkFetchedForSet = cv.visitMethod(ACC_PUBLIC, "_persistence_checkFetchedForSet", "(Ljava/lang/String;)V", null, null);
        cv_checkFetchedForSet.visitVarInsn(ALOAD, 0);

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          mv.visitFieldInsn(Opcodes.GETFIELD, classNameSeparatedBySlash, "adaptedValue", "Ljava/util/Collection;");
          Label l0 = new Label();
          mv.visitJumpInsn(Opcodes.IFNONNULL, l0);
          mv.visitInsn(Opcodes.ACONST_NULL);
          mv.visitInsn(Opcodes.ARETURN);
          mv.visitLabel(l0);
          mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
          mv.visitVarInsn(Opcodes.ALOAD, 0);
          mv.visitFieldInsn(Opcodes.GETFIELD, classNameSeparatedBySlash, "adaptedValue", "Ljava/util/Collection;");
          mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Collection", "size", "()I");
          mv.visitVarInsn(Opcodes.ISTORE, 1);

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        cv_checkFetchedForSet.visitJumpInsn(IFNE, gotoReturn);
        cv_checkFetchedForSet.visitVarInsn(ALOAD, 0);
        cv_checkFetchedForSet.visitTypeInsn(CHECKCAST, FETCHGROUP_TRACKER_SHORT_SIGNATURE);
        cv_checkFetchedForSet.visitVarInsn(ALOAD, 1);
        cv_checkFetchedForSet.visitMethodInsn(INVOKESTATIC, ENTITY_MANAGER_IMPL_SHORT_SIGNATURE, "processUnfetchedAttributeForSet", "(" + FETCHGROUP_TRACKER_SIGNATURE + "Ljava/lang/String;)V");
        cv_checkFetchedForSet.visitLabel(gotoReturn);
        cv_checkFetchedForSet.visitInsn(RETURN);
        cv_checkFetchedForSet.visitMaxs(0, 0);
    }


    /**

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        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setItem", "(L" + mapType.getInternalName() + ";)V", methodSig, null);
        // TODO: Verify that we really want to put @XmlTranient on setItem
        // method
        mv.visitAnnotation("Ljavax/xml/bind/annotation/XmlTransient;", true);
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, qualifiedInternalClassName, "entry", L + mapType.getInternalName() + SEMI_COLON);
        mv.visitInsn(Opcodes.RETURN);
        Label l1 = new Label();

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        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, qualifiedInternalClassName, "entry", L + mapType.getInternalName() + SEMI_COLON);
        mv.visitInsn(Opcodes.RETURN);
        Label l1 = new Label();
        mv.visitLabel(l1);


        // Replacement?:LocalVariableTypeTableAttribute cvAttr = new
        // LocalVariableTypeTableAttribute();
        // mv.visitAttribute(cvAttr);

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        // Write: public void setItem({collectionType})
        String methodSig = "(L" + collectionType.getInternalName() + "<" + componentTypeInternalName + ">;)V";
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setItem", "(L" + collectionType.getInternalName() + ";)V", methodSig, null);
        mv.visitAnnotation("Ljavax/xml/bind/annotation/XmlTransient;", true);
        Label l0 = new Label(); // ??
        mv.visitLabel(l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, qualifiedInternalClassName, ITEM, L + collectionType.getInternalName() + SEMI_COLON);
        mv.visitInsn(Opcodes.RETURN);
        Label l1 = new Label(); // ??

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        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitFieldInsn(Opcodes.PUTFIELD, qualifiedInternalClassName, ITEM, L + collectionType.getInternalName() + SEMI_COLON);
        mv.visitInsn(Opcodes.RETURN);
        Label l1 = new Label(); // ??
        mv.visitLabel(l1);
        mv.visitMaxs(2, 2);
        mv.visitEnd();


        // Write: public {collectionType} getItem()
        methodSig = "()L" + collectionType.getInternalName() + "<" + componentTypeInternalName + ">;";

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