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OPENJPA-2911 add pcFields via ASM

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This commit is contained in:
Mark Struberg 2023-06-01 17:50:58 +02:00
parent f2d27aa15f
commit 80272a3bf7
1 changed files with 27 additions and 18 deletions
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45
openjpa-kernel/src/main/java/org/apache/openjpa/enhance/PCEnhancer.java
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@ -103,6 +103,7 @@ import org.apache.xbean.asm9.Type;
import org.apache.xbean.asm9.tree.AbstractInsnNode; import org.apache.xbean.asm9.tree.AbstractInsnNode;
import org.apache.xbean.asm9.tree.ClassNode; import org.apache.xbean.asm9.tree.ClassNode;
import org.apache.xbean.asm9.tree.FieldInsnNode; import org.apache.xbean.asm9.tree.FieldInsnNode;
import org.apache.xbean.asm9.tree.FieldNode;
import org.apache.xbean.asm9.tree.InsnNode; import org.apache.xbean.asm9.tree.InsnNode;
import org.apache.xbean.asm9.tree.LdcInsnNode; import org.apache.xbean.asm9.tree.LdcInsnNode;
import org.apache.xbean.asm9.tree.MethodInsnNode; import org.apache.xbean.asm9.tree.MethodInsnNode;
@ -582,8 +583,13 @@ public class PCEnhancer {
processViolations(); processViolations();
if (_meta != null) { if (_meta != null) {
enhanceClass(); final ClassNodeTracker classNodeTracker = AsmHelper.toClassNode(_pc);
addFields();
enhanceClass(classNodeTracker);
addFields(classNodeTracker);
AsmHelper.readIntoBCClass(classNodeTracker, _pc);
addStaticInitializer(); addStaticInitializer();
addPCMethods(); addPCMethods();
addAccessors(); addAccessors();
@ -3068,8 +3074,7 @@ public class PCEnhancer {
* enhanced, and adds a default constructor for use by OpenJPA * enhanced, and adds a default constructor for use by OpenJPA
* if it is not already present. * if it is not already present.
*/ */
private void enhanceClass() { private void enhanceClass(final ClassNodeTracker classNodeTracker) {
final ClassNodeTracker classNodeTracker = AsmHelper.toClassNode(_pc);
// make the class implement PersistenceCapable // make the class implement PersistenceCapable
final ClassNode classNode = classNodeTracker.getClassNode(); final ClassNode classNode = classNodeTracker.getClassNode();
@ -3117,7 +3122,6 @@ public class PCEnhancer {
} }
} }
AsmHelper.readIntoBCClass(classNodeTracker, _pc);
} }
/** /**
@ -3133,22 +3137,27 @@ public class PCEnhancer {
* if no PersistenceCapable superclass present)</li> * if no PersistenceCapable superclass present)</li>
* </ul> * </ul>
*/ */
private void addFields() { private void addFields(ClassNodeTracker classNodeTracker) {
_pc.declareField(INHERIT, int.class).setStatic(true); final ClassNode classNode = classNodeTracker.getClassNode();
_pc.declareField(PRE + "FieldNames", String[].class).setStatic(true);
_pc.declareField(PRE + "FieldTypes", Class[].class).setStatic(true); classNode.fields.add(new FieldNode(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC,
_pc.declareField(PRE + "FieldFlags", byte[].class).setStatic(true); INHERIT, Type.getDescriptor(int.class), null, null));
_pc.declareField(SUPER, Class.class).setStatic(true); classNode.fields.add(new FieldNode(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC,
PRE + "FieldNames", Type.getDescriptor(String[].class), null, null));
classNode.fields.add(new FieldNode(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC,
PRE + "FieldTypes", Type.getDescriptor(Class[].class), null, null));
classNode.fields.add(new FieldNode(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC,
PRE + "FieldFlags", Type.getDescriptor(byte[].class), null, null));
classNode.fields.add(new FieldNode(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC,
SUPER, Type.getDescriptor(Class.class), null, null));
if (_addVersionInitFlag && _meta.getVersionField() != null) { if (_addVersionInitFlag && _meta.getVersionField() != null) {
// protected transient boolean pcVersionInit; classNode.fields.add(new FieldNode(Opcodes.ACC_PROTECTED | Opcodes.ACC_TRANSIENT,
BCField field = _pc.declareField(VERSION_INIT_STR, boolean.class); VERSION_INIT_STR, Type.getDescriptor(boolean.class), null, null));
field.makeProtected();
field.setTransient(true);
} }
if (_meta.getPCSuperclass() == null || getCreateSubclass()) { if (_meta.getPCSuperclass() == null || getCreateSubclass()) {
BCField field = _pc.declareField(SM, SMTYPE); classNode.fields.add(new FieldNode(Opcodes.ACC_PROTECTED | Opcodes.ACC_TRANSIENT,
field.makeProtected(); SM, Type.getDescriptor(SMTYPE), null, null));
field.setTransient(true);
} }
} }