/*
* (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* Licensed 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.
*
* Contributors:
* bstefanescu
*/
package org.nuxeo.ecm.automation.core.scripting;
/**
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*/
public class Functions {
private static volatile Object fn = new CoreFunctions();
private Functions() {
}
public static void setInstance(Object fn) {
if (fn == null) {
fn = new CoreFunctions();
}
synchronized (Functions.class) {
Functions.fn = fn;
}
}
public static Object getInstance() {
Object o = fn;
if (o == null) {
synchronized (Functions.class) {
o = new CoreFunctions();
fn = o;
}
}
return o;
}
}