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org.drools.core.factmodel.traits.TraitTriplePropertyWrapperClassBuilderImpl Maven / Gradle / Ivy
/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.core.factmodel.traits;
import org.drools.core.factmodel.BuildUtils;
import org.drools.core.factmodel.ClassDefinition;
import org.drools.core.factmodel.FieldDefinition;
import org.drools.core.util.Triple;
import org.drools.core.util.TripleFactory;
import org.drools.core.util.TripleStore;
import org.mvel2.asm.ClassVisitor;
import org.mvel2.asm.ClassWriter;
import org.mvel2.asm.FieldVisitor;
import org.mvel2.asm.Label;
import org.mvel2.asm.MethodVisitor;
import org.mvel2.asm.Type;
import java.io.IOException;
import java.io.Serializable;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.BitSet;
import java.util.Collection;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import static org.drools.core.rule.builder.dialect.asm.ClassGenerator.createClassWriter;
public class TraitTriplePropertyWrapperClassBuilderImpl extends AbstractPropertyWrapperClassBuilderImpl implements TraitPropertyWrapperClassBuilder, Serializable {
public byte[] buildClass( ClassDefinition core, ClassLoader classLoader ) throws IOException,
SecurityException,
IllegalArgumentException,
ClassNotFoundException,
NoSuchMethodException,
IllegalAccessException,
InvocationTargetException,
InstantiationException,
NoSuchFieldException {
FieldVisitor fv;
MethodVisitor mv;
// get the method bitmask
BitSet mask = traitRegistry.getFieldMask(trait.getName(), core.getDefinedClass().getName());
String name = TraitFactory.getPropertyWrapperName( trait, core );
String internalWrapper = BuildUtils.getInternalType( name );
String descrCore = Type.getDescriptor( core.getDefinedClass() );
ClassWriter cw = createClassWriter( classLoader,
ACC_PUBLIC + ACC_SUPER,
internalWrapper,
null,
Type.getInternalName( TripleBasedStruct.class ),
new String[] { Type.getInternalName( Serializable.class ) } );
cw.visitInnerClass( Type.getInternalName( Map.Entry.class ),
Type.getInternalName( Map.class ),
"Entry",
ACC_PUBLIC + ACC_STATIC + ACC_ABSTRACT + ACC_INTERFACE );
{
fv = cw.visitField(0, "object", descrCore, null, null);
fv.visitEnd();
}
{
mv = cw.visitMethod(ACC_PUBLIC,
"",
"()V",
null,
null);
mv.visitCode();
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"",
"()V",
false );
mv.visitInsn( RETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
{
mv = cw.visitMethod(ACC_PUBLIC,
"",
"(" +
descrCore +
Type.getDescriptor( TripleStore.class ) +
Type.getDescriptor( TripleFactory.class ) +
")V",
null,
null);
mv.visitCode();
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"",
"()V",
false );
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 1 );
mv.visitFieldInsn( PUTFIELD, internalWrapper, "object", descrCore );
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 2 );
mv.visitFieldInsn( PUTFIELD, internalWrapper, "store", Type.getDescriptor( TripleStore.class ) );
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 3 );
mv.visitMethodInsn( INVOKEVIRTUAL,
Type.getInternalName( TripleBasedStruct.class ),
"setTripleFactory",
"(" + Type.getDescriptor( TripleFactory.class ) + ")V",
false );
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 2 );
mv.visitMethodInsn( INVOKEVIRTUAL,
Type.getInternalName( TripleStore.class ),
"getId",
"()" + Type.getDescriptor( String.class ),
false );
mv.visitFieldInsn( PUTFIELD,
internalWrapper,
"storeId",
Type.getDescriptor( String.class ) );
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKESPECIAL,
internalWrapper,
"initSoftFields",
"()V",
false );
mv.visitInsn( RETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
buildInitSoftFields( cw, internalWrapper, trait, core, mask );
buildClearSoftFields(cw, internalWrapper, trait, mask);
buildSize( cw, core );
buildIsEmpty( cw, core );
buildGet( cw, name, core );
buildPut( cw, name, core );
buildClear( cw, name, trait, core );
buildRemove( cw, name, trait, core, mask );
buildContainsKey( cw, core );
buildContainsValue( cw, name, core );
buildKeyset( cw, core );
buildValues( cw, name, core );
buildEntryset( cw, name, core );
buildCommonMethods( cw, name );
buildSpecificMethods( cw, name, core );
cw.visitEnd();
return cw.toByteArray();
}
protected void buildRemove( ClassWriter cw, String wrapperName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
String internalWrapper = BuildUtils.getInternalType( wrapperName );
MethodVisitor mv = cw.visitMethod( ACC_PUBLIC,
"remove",
"(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ),
null,
null );
mv.visitCode();
int stack = 0;
for ( FieldDefinition field : core.getFieldsDefinitions() ) {
stack = Math.max( stack, BuildUtils.sizeOf( field.getTypeName() ) );
invokeRemove( mv, wrapperName, core, field.getName(), field );
}
int j = 0;
for ( FieldDefinition field : trait.getFieldsDefinitions() ) {
boolean isSoftField = TraitRegistry.isSoftField( field, j++, mask );
if ( isSoftField ) {
stack = Math.max( stack, BuildUtils.sizeOf( field.getTypeName() ) );
mv.visitLdcInsn( field.getName() );
mv.visitVarInsn( ALOAD, 1 );
mv.visitMethodInsn( INVOKEVIRTUAL,
Type.getInternalName( String.class ),
"equals",
"(" + Type.getDescriptor( Object.class ) + ")Z",
false );
Label l2 = new Label();
mv.visitJumpInsn( IFEQ, l2 );
mv.visitVarInsn( ALOAD, 0 );
mv.visitFieldInsn( GETFIELD, internalWrapper, "store", Type.getDescriptor( TripleStore.class ) );
mv.visitVarInsn( ALOAD, 0);
mv.visitLdcInsn( field.getName() );
mv.visitMethodInsn( INVOKEVIRTUAL,
internalWrapper,
"propertyKey",
"(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Triple.class ),
false );
mv.visitMethodInsn( INVOKEVIRTUAL,
Type.getInternalName( TripleStore.class ),
"get",
"(" + Type.getDescriptor( Triple.class ) + ")" + Type.getDescriptor( Triple.class ),
false );
mv.visitVarInsn( ASTORE, 2 );
mv.visitVarInsn( ALOAD, 0 );
mv.visitLdcInsn( field.getName() );
mv.visitInsn( BuildUtils.zero( field.getTypeName() ) );
if ( BuildUtils.isPrimitive( field.getTypeName() ) ) {
TraitFactory.valueOf( mv, field.getTypeName() );
}
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"put",
"(" + Type.getDescriptor( String.class ) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ),
false );
mv.visitInsn( POP );
mv.visitVarInsn( ALOAD, 2 );
mv.visitInsn( ARETURN );
mv.visitLabel( l2 );
}
}
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 1 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"remove",
"(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ),
false );
mv.visitVarInsn( ASTORE, 2 );
mv.visitVarInsn( ALOAD, 2 );
mv.visitInsn( ARETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void buildInitSoftFields( ClassWriter cw, String wrapperName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
MethodVisitor mv = cw.visitMethod(ACC_PRIVATE, "initSoftFields", "()V", null, null);
mv.visitCode();
initSoftFields( mv, wrapperName, trait, core, mask );
mv.visitInsn(RETURN);
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void initSoftFields( MethodVisitor mv, String wrapperName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
int j = 0;
for ( FieldDefinition field : trait.getFieldsDefinitions() ) {
boolean isSoftField = TraitRegistry.isSoftField( field, j++, mask );
if ( isSoftField ) {
initSoftField( mv, wrapperName, field, core, wrapperName );
}
}
}
protected void initSoftField(MethodVisitor mv, String wrapperName, FieldDefinition field, ClassDefinition core, String internalWrapper ) {
mv.visitVarInsn( ALOAD, 0 );
mv.visitFieldInsn( GETFIELD,
wrapperName,
"store",
Type.getDescriptor( TripleStore.class ) );
mv.visitVarInsn( ALOAD, 0);
mv.visitLdcInsn( field.resolveAlias() );
mv.visitMethodInsn( INVOKEVIRTUAL,
wrapperName,
"propertyKey",
"(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Triple.class ),
false );
mv.visitMethodInsn( INVOKEVIRTUAL,
Type.getInternalName(TripleStore.class),
"contains",
"(" + Type.getDescriptor( Triple.class ) + ")Z",
false );
Label l0 = new Label();
mv.visitJumpInsn( IFNE, l0 );
mv.visitVarInsn( ALOAD, 0 );
mv.visitFieldInsn(GETFIELD, wrapperName, "store", Type.getDescriptor( TripleStore.class ) );
mv.visitVarInsn( ALOAD, 0 );
mv.visitLdcInsn( field.resolveAlias() );
mv.visitInsn( BuildUtils.zero( field.getTypeName() ) );
if ( BuildUtils.isPrimitive( field.getTypeName() ) ) {
TraitFactory.valueOf( mv, field.getTypeName() );
}
mv.visitMethodInsn( INVOKEVIRTUAL,
wrapperName,
"property",
"(" + Type.getDescriptor( String.class ) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Triple.class ),
false );
mv.visitInsn(ICONST_1);
mv.visitMethodInsn( INVOKEVIRTUAL,
Type.getInternalName( TripleStore.class ),
"put",
"(" + Type.getDescriptor( Triple.class ) + "Z)Z",
false );
if ( core.isFullTraiting() ) {
super.registerLogicalField( mv, internalWrapper, field, core );
}
mv.visitInsn( POP );
mv.visitLabel( l0 );
}
protected void buildClear( ClassWriter cw, String wrapperName, ClassDefinition trait, ClassDefinition core ) {
String internalWrapper = BuildUtils.getInternalType( wrapperName );
MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "clear", "()V", null, null );
mv.visitCode();
for ( FieldDefinition field : core.getFieldsDefinitions() ) {
if ( field.isKey() ) continue;
TraitFactory.invokeInjector( mv, wrapperName, core, field, true, 1 );
}
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( TripleBasedStruct.class ), "clear", "()V", false );
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKESPECIAL, internalWrapper, "clearSoftFields", "()V", false );
mv.visitInsn( RETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void buildClearSoftFields( ClassWriter cw, String wrapperName, ClassDefinition trait, BitSet mask ) {
MethodVisitor mv = cw.visitMethod( ACC_PRIVATE, "clearSoftFields", "()V", null, null );
mv.visitCode();
int j = 0;
for ( FieldDefinition field : trait.getFieldsDefinitions() ) {
boolean isSoftField = TraitRegistry.isSoftField( field, j++, mask );
if ( isSoftField ) {
clearSoftField(mv, wrapperName, field);
}
}
mv.visitInsn( RETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void clearSoftField(MethodVisitor mv, String wrapperName, FieldDefinition field ) {
mv.visitVarInsn( ALOAD, 0 );
mv.visitFieldInsn( GETFIELD, wrapperName, "store", Type.getDescriptor( TripleStore.class ) );
mv.visitVarInsn( ALOAD, 0 );
mv.visitLdcInsn( field.getName() );
mv.visitInsn( BuildUtils.zero( field.getTypeName() ) );
if ( BuildUtils.isPrimitive( field.getTypeName() ) ) {
TraitFactory.valueOf( mv, field.getTypeName() );
}
mv.visitMethodInsn( INVOKEVIRTUAL,
wrapperName,
"property",
"(" + Type.getDescriptor( String.class ) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Triple.class ),
false );
mv.visitInsn( ICONST_1 );
mv.visitMethodInsn( INVOKEVIRTUAL,
Type.getInternalName( TripleStore.class ),
"put",
"(" + Type.getDescriptor( Triple.class ) + "Z)Z",
false );
mv.visitInsn( POP );
}
protected void buildContainsValue( ClassWriter cw, String wrapperName, ClassDefinition core ) {
MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "containsValue", "(" + Type.getDescriptor( Object.class ) + ")Z", null, null );
mv.visitCode();
boolean hasNillable = false;
for ( FieldDefinition field : core.getFieldsDefinitions() ) {
if ( ! BuildUtils.isPrimitive( field.getTypeName() ) ) {
hasNillable = true;
}
}
Label l99 = null;
if ( hasNillable ) {
mv.visitVarInsn(ALOAD, 1);
l99 = new Label();
mv.visitJumpInsn(IFNONNULL, l99);
}
core.getFieldsDefinitions().size();
for ( FieldDefinition field : core.getFieldsDefinitions() ) {
if ( ! BuildUtils.isPrimitive( field.getTypeName() ) ) {
extractAndTestNotNull( mv, wrapperName, core, field );
}
}
if ( hasNillable ) {
mv.visitLabel( l99 );
}
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 1 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"containsValue",
"(" + Type.getDescriptor( Object.class ) + ")Z",
false );
mv.visitInsn( IRETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void buildContainsKey(ClassWriter cw, ClassDefinition core ) {
MethodVisitor mv = cw.visitMethod( ACC_PUBLIC,
"containsKey",
"(" + Type.getDescriptor( Object.class ) + ")Z",
null,
null );
mv.visitCode();
for ( FieldDefinition field : core.getFieldsDefinitions() ) {
invokeContainsKey( mv, field.getName() );
}
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 1 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"containsKey",
"(" + Type.getDescriptor( Object.class ) + ")Z",
false );
mv.visitInsn( IRETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void buildSize( ClassVisitor cw, ClassDefinition core ) {
MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "size", "()I", null, null);
mv.visitCode();
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"size",
"()I",
false );
int n = core.getFieldsDefinitions().size();
for ( int j = 0; j < n; j++ ) {
mv.visitInsn( ICONST_1 );
mv.visitInsn( IADD );
}
mv.visitInsn(IRETURN);
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void buildIsEmpty( ClassVisitor cw, ClassDefinition core ) {
boolean hasHardFields = core.getFieldsDefinitions().size() > 0;
MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "isEmpty", "()Z", null, null );
mv.visitCode();
if ( ! hasHardFields ) {
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"isEmpty",
"()Z",
false );
} else {
mv.visitInsn( ICONST_0 );
}
mv.visitInsn( IRETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void invokeGet( MethodVisitor mv, String wrapperName, ClassDefinition core, String fieldName, FieldDefinition field) {
mv.visitLdcInsn( fieldName );
mv.visitVarInsn( ALOAD, 1);
mv.visitMethodInsn( INVOKEVIRTUAL, "java/lang/String", "equals", "(" + Type.getDescriptor( Object.class ) + ")Z", false );
Label l0 = new Label();
mv.visitJumpInsn( IFEQ, l0 );
TraitFactory.invokeExtractor( mv, wrapperName, trait, core, field );
if ( BuildUtils.isPrimitive( field.getTypeName() ) ) {
TraitFactory.valueOf( mv, field.getTypeName() );
}
mv.visitInsn( ARETURN );
mv.visitLabel( l0 );
}
protected void buildGet( ClassVisitor cw, String wrapperName, ClassDefinition core ) {
MethodVisitor mv = cw.visitMethod( ACC_PUBLIC,
"get",
"(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ),
null,
null );
mv.visitCode();
if ( core.getFieldsDefinitions().size() > 0 ) {
for ( FieldDefinition field : core.getFieldsDefinitions() ) {
invokeGet( mv, wrapperName, core, field.getName(), field );
}
}
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 1 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"get",
"(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ),
false );
mv.visitInsn( ARETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void buildPut( ClassVisitor cw, String wrapperName, ClassDefinition core ) {
MethodVisitor mv = cw.visitMethod( ACC_PUBLIC,
"put",
"(" + Type.getDescriptor( String.class) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ),
null,
null );
mv.visitCode();
if ( core.getFieldsDefinitions().size() > 0) {
for ( FieldDefinition field : core.getFieldsDefinitions() ) {
invokePut( mv, wrapperName, core, field.getName(), field );
}
}
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 1 );
mv.visitVarInsn( ALOAD, 2 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"put",
"(" + Type.getDescriptor( String.class) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ),
false );
mv.visitInsn( ARETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void buildEntryset( ClassVisitor cw, String wrapperName, ClassDefinition core ) {
MethodVisitor mv = cw.visitMethod( ACC_PUBLIC,
"entrySet",
"()" + Type.getDescriptor( Set.class ),
"()Ljava/util/Set;>;",
null );
mv.visitCode();
mv.visitTypeInsn( NEW, Type.getInternalName( HashSet.class ) );
mv.visitInsn( DUP );
mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( HashSet.class ), "", "()V", false );
mv.visitVarInsn( ASTORE, 1 );
for ( FieldDefinition field : core.getFieldsDefinitions() ) {
buildEntry( mv, field, wrapperName, core );
}
mv.visitVarInsn( ALOAD, 1 );
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"entrySet",
"()" + Type.getDescriptor( Set.class ),
false );
mv.visitMethodInsn( INVOKEINTERFACE,
Type.getInternalName( Set.class ),
"addAll",
"(" + Type.getDescriptor( Collection.class ) + ")Z",
true );
mv.visitInsn( POP );
mv.visitVarInsn( ALOAD, 1 );
mv.visitInsn( ARETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void buildKeyset( ClassVisitor cw, ClassDefinition core ) {
MethodVisitor mv = cw.visitMethod( ACC_PUBLIC,
"keySet",
"()" + Type.getDescriptor( Set.class ),
"()Ljava/util/Set;",
null);
mv.visitCode();
mv.visitTypeInsn( NEW, Type.getInternalName( HashSet.class ) );
mv.visitInsn( DUP );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( HashSet.class ),
"",
"()V",
false );
mv.visitVarInsn( ASTORE, 1 );
for ( FieldDefinition field : core.getFieldsDefinitions() ) {
collectFieldName( mv, field );
}
mv.visitVarInsn( ALOAD, 1 );
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"keySet",
"()" + Type.getDescriptor( Set.class ),
false );
mv.visitMethodInsn( INVOKEINTERFACE,
Type.getInternalName( Set.class ),
"addAll",
"(" + Type.getDescriptor( Collection.class ) + ")Z",
true );
mv.visitInsn( POP );
mv.visitVarInsn( ALOAD, 1 );
mv.visitInsn( ARETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
protected void buildValues( ClassVisitor cw, String wrapperName, ClassDefinition core ) {
MethodVisitor mv = cw.visitMethod( ACC_PUBLIC,
"values",
"()" + Type.getDescriptor( Collection.class ),
"()Ljava/util/Collection;",
null );
mv.visitCode();
mv.visitTypeInsn( NEW, Type.getInternalName( ArrayList.class ) );
mv.visitInsn( DUP );
mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( ArrayList.class ), "", "()V", false );
mv.visitVarInsn( ASTORE, 1 );
for ( FieldDefinition field : core.getFieldsDefinitions() ) {
extractAndCollect( mv, wrapperName, field, core );
}
mv.visitVarInsn( ALOAD, 1 );
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( TripleBasedStruct.class ),
"values",
"()" + Type.getDescriptor( Collection.class ),
false);
mv.visitMethodInsn( INVOKEINTERFACE,
Type.getInternalName( Collection.class ),
"addAll",
"(" + Type.getDescriptor( Collection.class ) + ")Z",
true );
mv.visitInsn( POP );
mv.visitVarInsn( ALOAD, 1 );
mv.visitInsn( ARETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
public void buildCommonMethods( ClassVisitor cw, String wrapper ) {
MethodVisitor mv;
{
mv = cw.visitMethod( ACC_PUBLIC, "toString", "()" + Type.getDescriptor( String.class ), null, null );
mv.visitCode();
mv.visitTypeInsn( NEW, Type.getInternalName( StringBuilder.class ) );
mv.visitInsn( DUP );
mv.visitMethodInsn( INVOKESPECIAL,
Type.getInternalName( StringBuilder.class ),
"",
"()V",
false );
mv.visitLdcInsn("[[");
mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( StringBuilder.class ), "append",
"(" + Type.getDescriptor( String.class ) +")" + Type.getDescriptor( StringBuilder.class ), false );
mv.visitVarInsn( ALOAD, 0 );
mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( wrapper ), "entrySet", "()" + Type.getDescriptor( Set.class ), false );
mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( StringBuilder.class ), "append",
"(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( StringBuilder.class ), false );
mv.visitLdcInsn( "]]" );
mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( StringBuilder.class ), "append",
"(" + Type.getDescriptor( String.class ) +")" + Type.getDescriptor( StringBuilder.class ), false );
mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( StringBuilder.class ), "toString", "()" + Type.getDescriptor( String.class ), false );
mv.visitInsn( ARETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
{
mv = cw.visitMethod( ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "put",
"(" + Type.getDescriptor( Object.class ) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ),
null, null);
mv.visitCode();
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 1 );
mv.visitTypeInsn( CHECKCAST, Type.getInternalName( String.class ) );
mv.visitVarInsn( ALOAD, 2 );
mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( wrapper ), "put",
"(" + Type.getDescriptor( String.class ) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ), false );
mv.visitInsn( ARETURN);
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
}
protected void buildSpecificMethods(ClassWriter cw, String wrapper, ClassDefinition core) {
MethodVisitor mv;
{
mv = cw.visitMethod( ACC_PUBLIC, "hashCode", "()I", null, null );
mv.visitCode();
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 0 );
mv.visitFieldInsn( GETFIELD, BuildUtils.getInternalType( wrapper ), "object", BuildUtils.getTypeDescriptor( core.getName() ));
mv.visitMethodInsn( INVOKEVIRTUAL,
BuildUtils.getInternalType( wrapper ),
"getTriplesForSubject",
"(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Collection.class ), false );
mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( Object.class ), "hashCode", "()I", false );
mv.visitInsn( IRETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
{
mv = cw.visitMethod( ACC_PROTECTED, "getObject", "()" + Type.getDescriptor( Object.class ), null, null );
mv.visitCode();
mv.visitVarInsn( ALOAD, 0 );
mv.visitFieldInsn( GETFIELD, BuildUtils.getInternalType( wrapper ), "object", BuildUtils.getTypeDescriptor( core.getName() ) );
mv.visitInsn( ARETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
{
mv = cw.visitMethod(ACC_PUBLIC, "setObject", "(" + Type.getDescriptor( Object.class ) + ")V", null, null );
mv.visitCode();
mv.visitVarInsn( ALOAD, 0 );
mv.visitVarInsn( ALOAD, 1 );
mv.visitTypeInsn( CHECKCAST, BuildUtils.getInternalType( core.getName() ) );
mv.visitFieldInsn( PUTFIELD, BuildUtils.getInternalType( wrapper ), "object", BuildUtils.getTypeDescriptor( core.getName() ) );
mv.visitInsn( RETURN );
mv.visitMaxs( 0, 0 );
mv.visitEnd();
}
}
}
