/*

 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 *

 */

package sun.jvm.hotspot.ci;

import java.lang.reflect.Constructor;

import java.util.*;

import sun.jvm.hotspot.debugger.*;

import sun.jvm.hotspot.runtime.*;

import sun.jvm.hotspot.utilities.*;

import sun.jvm.hotspot.oops.*;

import sun.jvm.hotspot.types.*;

public class ciObjectFactory extends VMObject {

  static {

    VM.registerVMInitializedObserver(new Observer() {

        public void update(Observable o, Object data) {

          initialize(VM.getVM().getTypeDataBase());

        }

      });

  }

  private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {

    Type type      = db.lookupType("ciObjectFactory");

    unloadedMethodsField = type.getAddressField("_unloaded_methods");

    ciMetadataField = type.getAddressField("_ci_metadata");

    symbolsField = type.getAddressField("_symbols");

    ciObjectConstructor = new VirtualBaseConstructor<ciObject>(db, db.lookupType("ciObject"), "sun.jvm.hotspot.ci", ciObject.class);

    ciMetadataConstructor = new VirtualBaseConstructor<ciMetadata>(db, db.lookupType("ciMetadata"), "sun.jvm.hotspot.ci", ciMetadata.class);

    ciSymbolConstructor = new VirtualBaseConstructor<ciSymbol>(db, db.lookupType("ciSymbol"), "sun.jvm.hotspot.ci", ciSymbol.class);

  }

  private static AddressField unloadedMethodsField;

  private static AddressField ciMetadataField;

  private static AddressField symbolsField;

  private static VirtualBaseConstructor<ciObject> ciObjectConstructor;

  private static VirtualBaseConstructor<ciMetadata> ciMetadataConstructor;

  private static VirtualBaseConstructor<ciSymbol> ciSymbolConstructor;

  public static ciObject get(Address addr) {

    if (addr == null) return null;

    return (ciObject)ciObjectConstructor.instantiateWrapperFor(addr);

  }

  public static ciMetadata getMetadata(Address addr) {

    if (addr == null) return null;

    return (ciMetadata)ciMetadataConstructor.instantiateWrapperFor(addr);

  }

  public GrowableArray<ciMetadata> objects() {

    return GrowableArray.create(ciMetadataField.getValue(getAddress()), ciMetadataConstructor);

  }

  public GrowableArray<ciSymbol> symbols() {

    return GrowableArray.create(symbolsField.getValue(getAddress()), ciSymbolConstructor);

  }

  public ciObjectFactory(Address addr) {

    super(addr);

  }

}