/**
   * Method called when a method of the class is visited.
   *
   * @param access Access for the method
   * @param name Name of the method
   * @param desc Descriptor
   * @param signature Signature
   * @param exceptions Exceptions that this method is declared to throw
   * @return Visitor to visit this (or null if not wanting to visit it)
   */
  public MethodVisitor visitMethod(
      int access, String name, String desc, String signature, String[] exceptions) {
    if (name.equals("<init>") && desc != null && desc.equals("()V")) {
      // Check for default constructor
      hasDefaultConstructor = true;
    }
    if (name.equals("writeObject")
        && desc != null
        && desc.equals("(Ljava/io/ObjectOutputStream;)V")) {
      // Has writeObject() for use in serialisation
      hasWriteObject = true;
    }
    if (name.equals("<clinit>") && desc != null && desc.equals("()V")) {
      hasStaticInitialisation = true;
    }

    MethodVisitor mv = cv.visitMethod(access, name, desc, signature, exceptions);
    if (mv == null) {
      return null;
    }

    if (name.equals("jdoPreClear") || name.equals("jdoPostLoad")) {
      // jdoPreClear/jdoPostLoad should not be enhanced (JDO2 spec [10.1, 10.3]
      return mv;
    } else if (name.equals("readObject")
        && (desc.equals("(Ljava/io/ObjectOutputStream;)V")
            || desc.equals("(Ljava/io/ObjectInputStream;)V"))) {
      // readObject(ObjectInputStream), readObject(ObjectOutputStream) should not be enhanced (JDO2
      // spec [21.6])
      return mv;
    }

    String propGetterName = ClassUtils.getFieldNameForJavaBeanGetter(name);
    String propSetterName = ClassUtils.getFieldNameForJavaBeanSetter(name);
    if (propGetterName != null) {
      AbstractMemberMetaData mmd = enhancer.getClassMetaData().getMetaDataForMember(propGetterName);
      if (mmd != null
          && mmd instanceof PropertyMetaData
          && mmd.getPersistenceModifier() != FieldPersistenceModifier.NONE) {
        // Property getter method "getXXX" - generated dnGetXXX
        return new EnhancerPropertyGetterAdapter(mv, enhancer, name, desc, mmd, cv);
      }
    } else if (propSetterName != null) {
      AbstractMemberMetaData mmd = enhancer.getClassMetaData().getMetaDataForMember(propSetterName);
      if (mmd != null
          && mmd instanceof PropertyMetaData
          && mmd.getPersistenceModifier() != FieldPersistenceModifier.NONE) {
        // Property setter method "setXXX" - generates dnSetXXX
        return new EnhancerPropertySetterAdapter(mv, enhancer, name, desc, mmd, cv);
      }
    }

    // normal method, so just enhance it
    return new EnhancerMethodAdapter(mv, enhancer, name, desc);
  }
示例#2
0
  /**
   * Constructor, using the ObjectProvider of the "owner" and the field name.
   *
   * @param op The owner ObjectProvider
   * @param mmd Metadata for the member
   */
  public Map(ObjectProvider op, AbstractMemberMetaData mmd) {
    super(op, mmd);

    // Set up our "delegate"
    this.delegate = new java.util.HashMap();

    ExecutionContext ec = ownerOP.getExecutionContext();
    allowNulls = SCOUtils.allowNullsInContainer(allowNulls, mmd);
    useCache = SCOUtils.useContainerCache(ownerOP, mmd);

    if (!SCOUtils.mapHasSerialisedKeysAndValues(mmd)
        && mmd.getPersistenceModifier() == FieldPersistenceModifier.PERSISTENT) {
      ClassLoaderResolver clr = ec.getClassLoaderResolver();
      this.backingStore =
          (MapStore)
              ((BackedSCOStoreManager) ownerOP.getStoreManager())
                  .getBackingStoreForField(clr, mmd, java.util.Map.class);
    }

    if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
      NucleusLogger.PERSISTENCE.debug(
          SCOUtils.getContainerInfoMessage(
              ownerOP,
              ownerMmd.getName(),
              this,
              useCache,
              allowNulls,
              SCOUtils.useCachedLazyLoading(ownerOP, ownerMmd)));
    }
  }
示例#3
0
  /**
   * Constructor, using the ObjectProvider of the "owner" and the field name.
   *
   * @param op The owner ObjectProvider
   * @param mmd Metadata for the member
   */
  public ArrayList(ObjectProvider op, AbstractMemberMetaData mmd) {
    super(op, mmd);

    // Set up our delegate
    this.delegate = new java.util.ArrayList();

    ExecutionContext ec = op.getExecutionContext();
    allowNulls = SCOUtils.allowNullsInContainer(allowNulls, mmd);
    queued = ec.isDelayDatastoreOperationsEnabled();
    useCache = SCOUtils.useContainerCache(op, mmd);

    if (!SCOUtils.collectionHasSerialisedElements(mmd)
        && mmd.getPersistenceModifier() == FieldPersistenceModifier.PERSISTENT) {
      ClassLoaderResolver clr = ec.getClassLoaderResolver();
      this.backingStore =
          (ListStore)
              ((BackedSCOStoreManager) op.getStoreManager())
                  .getBackingStoreForField(clr, mmd, java.util.ArrayList.class);
    }

    if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
      NucleusLogger.PERSISTENCE.debug(
          SCOUtils.getContainerInfoMessage(
              op,
              ownerMmd.getName(),
              this,
              useCache,
              queued,
              allowNulls,
              SCOUtils.useCachedLazyLoading(op, ownerMmd)));
    }
  }
示例#4
0
  /**
   * Constructor.
   *
   * @param tableName The Table SQL identifier
   * @param mmd Member meta data for the owner field/property
   * @param storeMgr Manager for the datastore.
   */
  protected JoinTable(
      DatastoreIdentifier tableName, AbstractMemberMetaData mmd, RDBMSStoreManager storeMgr) {
    super(tableName, storeMgr);

    this.mmd = mmd;
    this.ownerType = mmd.getClassName(true);

    if (mmd.getPersistenceModifier() == FieldPersistenceModifier.NONE) {
      throw new NucleusException(Localiser.msg("057006", mmd.getName())).setFatal();
    }
  }