in drools-traits/src/main/java/org/drools/traits/core/factmodel/TraitMapProxyClassBuilderImpl.java [563:708]
protected void buildKeyedEquals( ClassVisitor cw,
ClassDefinition classDef,
String proxyType ) {
MethodVisitor mv;
mv = cw.visitMethod( ACC_PUBLIC, "equals", "(" + Type.getDescriptor( Object.class ) + ")Z", null, null );
mv.visitCode();
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 1 );
Label l0 = new Label();
mv.visitJumpInsn( IF_ACMPNE, l0 );
mv.visitInsn( ICONST_1 );
mv.visitInsn( IRETURN );
mv.visitLabel( l0 );
mv.visitVarInsn( ALOAD, 1 );
Label l1 = new Label();
mv.visitJumpInsn( IFNULL, l1 );
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( Object.class ), "getClass", "()" + Type.getDescriptor( Class.class ), false );
mv.visitVarInsn( ALOAD, 1 );
mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( Object.class ), "getClass", "()" + Type.getDescriptor( Class.class ), false );
Label l2 = new Label();
mv.visitJumpInsn( IF_ACMPEQ, l2 );
mv.visitLabel( l1 );
mv.visitInsn( ICONST_0 );
mv.visitInsn( IRETURN );
mv.visitLabel( l2 );
mv.visitVarInsn( ALOAD, 1 );
mv.visitTypeInsn( CHECKCAST, proxyType );
mv.visitVarInsn( ASTORE, 2 );
int x = 2;
for ( FieldDefinition field : classDef.getFieldsDefinitions() ) {
if ( field.isKey() ) {
if ( ! BuildUtils.isPrimitive( field.getTypeName() ) ) {
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
Label l11 = new Label();
mv.visitJumpInsn( IFNULL, l11 );
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
mv.visitVarInsn( ALOAD, 2 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
mv.visitMethodInsn( INVOKEVIRTUAL,
BuildUtils.getInternalType( field.getTypeName() ),
"equals",
"(" + Type.getDescriptor( Object.class ) + ")Z",
false );
Label l12 = new Label();
mv.visitJumpInsn( IFNE, l12 );
Label l13 = new Label();
mv.visitJumpInsn( GOTO, l13 );
mv.visitLabel( l11 );
mv.visitVarInsn( ALOAD, 2 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
mv.visitJumpInsn( IFNULL, l12 );
mv.visitLabel( l13 );
mv.visitInsn( ICONST_0 );
mv.visitInsn( IRETURN );
mv.visitLabel( l12 );
} else if ( "double".equals( field.getTypeName() ) ) {
mv.visitVarInsn( ALOAD, 2 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Double.class ), "compare", "(DD)I", false );
Label l5 = new Label();
mv.visitJumpInsn( IFEQ, l5 );
mv.visitInsn( ICONST_0 );
mv.visitInsn( IRETURN );
mv.visitLabel( l5 );
x = Math.max( x, 4 );
} else if ( "float".equals( field.getTypeName() ) ) {
mv.visitVarInsn( ALOAD, 2 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Float.class ), "compare", "(FF)I", false );
Label l6 = new Label();
mv.visitJumpInsn( IFEQ, l6 );
mv.visitInsn( ICONST_0 );
mv.visitInsn( IRETURN );
mv.visitLabel( l6 );
} else if ( "long".equals( field.getTypeName() ) ) {
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
mv.visitVarInsn( ALOAD, 2 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
mv.visitInsn( LCMP );
Label l8 = new Label();
mv.visitJumpInsn( IFEQ, l8 );
mv.visitInsn( ICONST_0 );
mv.visitInsn( IRETURN );
mv.visitLabel( l8 );
x = Math.max( x, 4 );
} else {
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
mv.visitVarInsn( ALOAD, 2 );
mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
"()" + Type.getDescriptor( field.getType() ), false );
Label l4 = new Label();
mv.visitJumpInsn( IF_ICMPEQ, l4 );
mv.visitInsn( ICONST_0 );
mv.visitInsn( IRETURN );
mv.visitLabel( l4 );
}
}
}
mv.visitInsn( ICONST_1 );
mv.visitInsn( IRETURN );
// mv.visitMaxs( x, 3 );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}