/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.openjpa.conf;
import org.apache.openjpa.kernel.DetachState;
/**
* Detach options.
*
* @author Abe White
*/
public abstract class DetachOptions
implements DetachState {
private boolean _field = true;
private boolean _transient = true;
private boolean _manager = true;
private boolean _access = true;
private boolean _liteAutoDetach = false;
private boolean _detachProxyFields = true;
/**
* The {@link DetachState} constant.
*/
public abstract int getDetachState();
/**
* Whether to add a detached state field to enhanced classes.
*/
public boolean getDetachedStateField() {
return _field;
}
/**
* Whether to add a detached state field to enhanced classes.
*/
public void setDetachedStateField(boolean val) {
_field = val;
if (!val)
_manager = false;
}
/**
* For auto-configuration of the detached state field. Accepts values
* "true", "false", or "transient".
*/
public void setDetachedStateField(String val) {
if (val == null)
return;
if ("transient".equals(val)) {
setDetachedStateField(true);
_transient = true;
} else if ("true".equals(val)) {
setDetachedStateField(true);
_transient = false;
} else if ("false".equals(val)) {
setDetachedStateField(false);
_transient = false;
} else
throw new IllegalArgumentException("DetachedStateField=" + val);
}
/**
* Whether to use transient detached state.
*/
public boolean isDetachedStateTransient() {
return _transient;
}
/**
* Whether to use transient detached state.
*/
public void setDetachedStateTransient(boolean val) {
_transient = val;
}
/**
* Whether to use a detached state manager on types that allow it.
* Types that do not use detached state or that declare a custom detached
* state field to maintain serialization compatibility will never use
* a detached state manager. Defaults to true.
*/
public boolean getDetachedStateManager() {
return _manager;
}
/**
* Whether to use a detached state manager on types that allow it.
* Types that do not use detached state or that declare a custom detached
* state field to maintain serialization compatibility will never use
* a detached state manager. Defaults to true.
*/
public void setDetachedStateManager(boolean val) {
_manager = val;
}
/**
* Whether to allow access to unloaded detached fields. This setting only
* applies to instances with detached state managers.
*/
public boolean getAccessUnloaded() {
return _access;
}
/**
* Whether to allow access to unloaded detached fields. This setting only
* applies to instances with detached state managers.
*/
public void setAccessUnloaded(boolean val) {
_access = val;
}
/**
* Whether to use lite detachment when auto detaching. This setting only applies when
* DetachState is set to loaded.
*/
public void setLiteAutoDetach(boolean b) {
_liteAutoDetach = b;
}
/**
* Whether to use lite detachment when auto detaching. This setting only applies when
* DetachState is set to loaded.
*/
public boolean getLiteAutoDetach() {
return (getDetachState() & DETACH_LOADED) == 1 && _liteAutoDetach;
}
/**
* Whether to detach proxy fields.
*/
public void setDetachProxyFields(boolean b) {
_detachProxyFields = b;
}
/**
* Whether to detach proxy fields.
*/
public boolean getDetachProxyFields() {
// This property can only be set to false when using lite auto detach.
if(!_liteAutoDetach){
return true;
}
return _detachProxyFields;
}
/**
* Detach loaded state.
*/
public static class Loaded
extends DetachOptions {
public int getDetachState() {
return DETACH_LOADED;
}
}
/**
* Public to allow reflection.
*/
public static class FetchGroups
extends DetachOptions {
public int getDetachState() {
return DETACH_FGS;
}
}
/**
* Public to allow reflection.
*/
public static class All
extends DetachOptions {
public int getDetachState() {
return DETACH_ALL;
}
}
}