abstractfield.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 1,025 行 · 第 1/2 页

    if (objThis.equals("super"))
      return generateSuperGetter("this");
    else
      return objThis + "." + getGetterName() + "()";
    
    /*
    else if (! isAbstract())
      return obj + "." + _getterMethod.getName() + "()";
    else if (_getterMethod != null)
      return obj + "." + _getterMethod.getName() + "()";
    else
      return generateSuperGetter(obj);
    */
  }

  /**
   * Generates the field setter.
   *
   * @param value the non-null value
   */
  public String generateSet(String objThis, String value)
  {
    if (objThis.equals("super"))
      return generateSuperSetter("this", value);
    else
      return objThis + "." + getSetterName() + "(" + value + ")";
    /*
    else if (isFieldAccess()) {
      // jpa/0h09
      return obj + "." + getSetterName() + "(" + value + ")";
    }
    else if (_setterMethod != null)
      return obj + "." + _setterMethod.getName() + "(" + value + ")";
    else
      return obj +  ""; // ejb/0gb9
     */
  }

  /**
   * Generates the field getter.
   *
   * @param value the non-null value
   */
  public void generateGet(JavaWriter out, String objThis)
    throws IOException
  {
    out.print(generateGet(objThis));
  }

  /**
   * Generates set code, which goes through the active calls, i.e.
   * not a direct call to the underlying field.
   */
  public void generateSet(JavaWriter out, String obj, String value)
    throws IOException
  {
    out.println(generateSet(obj, value) + ";");
  }

   /**
   * Generates the super getter method implementation
   */
  public void generateSuperGetterMethod(JavaWriter out)
    throws IOException
  {
    out.println();
    out.println("public final " + getJavaTypeName() + " __caucho_super_get_" + getName() + "()");
    out.println("{");
    out.pushDepth();

    if (isAbstract() || getGetterMethod() == null)
      out.println("return " + getFieldName() + ";");
    else if (this instanceof IdField)
      out.println("return " + getGetterName() + "();");
    else
      out.println("return super." + getGetterName() + "();");

    out.popDepth();
    out.println("}");
  }

  /**
   * Generates the super setter method implementation
   */
  public void generateSuperSetterMethod(JavaWriter out)
    throws IOException
  {
    out.println();
    out.println("public final void __caucho_super_set_" + getName() + "(" + getJavaTypeName() + " v)");
    out.println("{");
    out.pushDepth();

    if (isAbstract() || getGetterMethod() == null)
      out.println(getFieldName() + " = v;");
    else if (getSetterMethod() == null) {
    }
    else if (this instanceof IdField)
      out.println(getSetterMethod().getName() + "(v);");
    else
      out.println("super." + getSetterMethod().getName() + "(v);");

    out.popDepth();
    out.println("}");
  }

  /**
   * Generates the getter method implementation.
   */
  public void generateGetterMethod(JavaWriter out)
    throws IOException
  {
  }

  /**
   * Generates the setter method implementation.
   */
  public void generateSetterMethod(JavaWriter out)
    throws IOException
  {
  }

  /**
   * Generates the detachment code
   */
  public void generateDetach(JavaWriter out)
    throws IOException
  {
  }

  //
  // SQL generation
  //
  
  /**
   * Generates the select clause for an entity load.
   */
  public String generateLoadSelect(AmberTable table, String id)
  {
    return null;
  }

  /**
   * Generates the select clause.
   */
  public String generateSelect(String id)
  {
    return null;
  }

  /**
   * Generates the JPA QL select clause.
   */
  public String generateJavaSelect(String id)
  {
    return null;
  }

  /**
   * Generates the where clause.
   */
  public String generateWhere(String id)
  {
    return null;
  }

  /**
   * Generates the where clause.
   */
  public void generateUpdate(CharBuffer sql)
  {
  }

  /**
   * Generates loading cache
   */
  public void generateUpdate(JavaWriter out, String maskVar, String pstmt,
                             String index)
    throws IOException
  {
    int group = getIndex() / 64;
    long mask = 1L << getIndex() % 64;

    out.println();
    out.println("if ((" + maskVar + "_" + group + " & " + mask + "L) != 0) {");
    out.pushDepth();

    generateStatementSet(out, pstmt, index);

    out.popDepth();
    out.println("}");
  }

  /**
   * Generates loading code
   */
  public boolean hasLoadGroup(int index)
  {
    return index == _loadGroupIndex;
  }

  /**
   * Generates loading code
   */
  public int generateLoad(JavaWriter out, String rs,
                          String indexVar, int index)
    throws IOException
  {
    return index;
  }

  /**
   * Generates loading code after the basic fields.
   */
  public int generatePostLoadSelect(JavaWriter out, int index)
    throws IOException
  {
    return index;
  }

  /**
   * Generates loading cache
   */
  public void generateLoadFromObject(JavaWriter out, String obj)
    throws IOException
  {
    if (getGetterMethod() == null || getSetterMethod() == null)
      return;

    String getter = getGetterName();

    String loadVar = "__caucho_loadMask_" + (getLoadGroupIndex() / 64);
    long loadMask = (1L << getLoadGroupIndex());

    out.println("if ((" + loadVar + " & " + loadMask + "L) != 0)");
    out.print("  ");

    out.println("  " + generateSuperSetter("this", generateGet(obj)) + ";");
  }

  /**
   * Generates loading for a native query
   */
  public int generateLoadNative(JavaWriter out, int index)
    throws IOException
  {
    return index;
  }

  /**
   * Generates loading for a native query
   */
  public void generateNativeColumnNames(ArrayList<String> names)
  {
  }

  /**
   * Generates loading cache
   */
  public void generateUpdateFromObject(JavaWriter out, String obj)
    throws IOException
  {
    out.println(generateSuperSetter("this", generateGet(obj)) + ";");
  }

  /**
   * Returns the null value.
   */
  public String generateNull()
  {
    return "null";
  }

  /**
   * Returns the field name.
   */
  protected String getFieldName()
  {
    return getName();
  }

  /**
   * Generates the insert.
   */
  public final String generateInsert()
  {
    return null;
  }

  /**
   * Generates the insert.
   */
  public void generateInsertColumns(ArrayList<String> columns)
  {
  }

  /**
   * Generates the table create.
   */
  public String generateCreateTableSQL(AmberPersistenceUnit manager)
  {
    return null;
  }

  /**
   * Generates the set clause.
   */
  public void generateStatementSet(JavaWriter out, String pstmt, String index)
    throws IOException
  {
    generateStatementSet(out, pstmt, index, "super");
  }

  /**
   * Generates the set clause for the insert clause.
   */
  public void generateInsertSet(JavaWriter out, String pstmt,
                                String index, String obj)
    throws IOException
  {
    generateStatementSet(out, pstmt, index, obj);
  }

  /**
   * Generates the set clause for the insert clause.
   */
  public void generateUpdateSet(JavaWriter out, String pstmt,
                                String index, String obj)
    throws IOException
  {
    generateStatementSet(out, pstmt, index, obj);
  }

  /**
   * Generates any code needed before a persist occurs
   */
  public void generatePrePersist(JavaWriter out)
    throws IOException
  {
  }

  /**
   * Updates the cached copy.
   */
  public void generateCopyUpdateObject(JavaWriter out,
                                       String dst, String src,
                                       int updateIndex)
    throws IOException
  {
    // commented out: jpa/0l03

    if (getIndex() == updateIndex) {
      String value = generateGet(src);
      out.println(generateSet(dst, value) + ";");
    }
  }

  /**
   * Updates the cached copy.
   */
  public void generateCopyLoadObject(JavaWriter out,
                                     String dst, String src,
                                     int loadIndex)
    throws IOException
  {
    // jpa/0g0l
    if (getLoadGroupIndex() != loadIndex)
      return;

    String value = generateGet(src);

    // jpa/0l43 out.println(generateStatementSet(dst, value) + ";");

    boolean isJPA = getEntitySourceType().getPersistenceUnit().isJPA();

    if (isJPA
	&& ! (dst.equals("cacheEntity")
	      || dst.equals("super")
	      || dst.equals("item"))) {
      // jpa/0j5fn: merge()
      out.println("if (isFullMerge)");
      out.println("  " + generateSet(dst, value) + ";");
      out.println("else");
      out.print("  ");
    }

    if (! dst.equals("super"))
      out.println(generateSuperSetter(dst, value) + ";");
    else
      out.println(generateSuperSetter("this", value) + ";");
  }

  /**
   * Updates the cached copy.
   */
  public void generateMergeFrom(JavaWriter out,
				String dst, String src)
    throws IOException
  {
    // jpa/0g0l
    //if (getLoadGroupIndex() != loadIndex)
    //  return;

    String value = generateGet(src);

    // jpa/0l43
    out.println(generateSet(dst, value) + ";");
  }

  /**
   * Checks entity-relationships from an object.
   */
  public void generateDumpRelationships(JavaWriter out,
                                        int updateIndex)
    throws IOException
  {
  }

  /**
   * Generates the set clause.
   */
  public void generateStatementSet(JavaWriter out, String pstmt,
                          String index, String obj)
    throws IOException
  {
  }

  /**
   * Converts to an object.
   */
  public String toObject(String value)
  {
    return value;
  }

  /**
   * Links to the target.
   */
  public void link()
  {
  }

  /**
   * Generates the pre-delete code
   */
  public void generatePreDelete(JavaWriter out)
    throws IOException
  {
  }

  /**
   * Generates the delete foreign
   */
  public void generatePostDelete(JavaWriter out)
    throws IOException
  {
  }

  /**
   * Generates the expire code
   */
  public void generateExpire(JavaWriter out)
    throws IOException
  {
  }

  /**
   * Generates code for foreign entity create/delete
   */
  public void generateInvalidateForeign(JavaWriter out)
    throws IOException
  {
  }

  /**
   * Deletes the children
   */
  public void childDelete(AmberConnection aConn, Serializable primaryKey)
    throws SQLException
  {
  }

  /**
   * Generates code to convert to the type from the object.
   */
  public String generateCastFromObject(String value)
  {
    return value;
  }

  /**
   * Generates code to test the equals.
   */
  public String generateEquals(String leftBase, String value)
  {
    return leftBase + ".equals(" + value + ")";
  }

  /**
   * Creates the expression for the field.
   */
  public AmberExpr createExpr(QueryParser parser, PathExpr parent)
  {
    throw new UnsupportedOperationException(getClass().getName());
  }

  @Override
  public String toString()
  {
    return getClass().getSimpleName() + "[" + getName() + "," + getSourceType() + "]";
  }
}