/*
* 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.codehaus.groovy.reflection;
import org.codehaus.groovy.reflection.GroovyClassValue.ComputeValue;
import org.codehaus.groovy.reflection.v7.GroovyClassValueJava7;
class GroovyClassValueFactory {
/**
* This flag is introduced as a (hopefully) temporary workaround for a JVM bug, that is to say that using
* ClassValue prevents the classes and classloaders from being unloaded.
* See https://bugs.openjdk.java.net/browse/JDK-8136353
* This issue does not exist on IBM Java (J9) so use ClassValue by default on that JVM.
*/
private static final boolean USE_CLASSVALUE;
static {
String isJ9 = "IBM J9 VM".equals(System.getProperty("java.vm.name")) ? "true" : "false";
USE_CLASSVALUE = Boolean.valueOf(System.getProperty("groovy.use.classvalue", isJ9));
}
public static <T> GroovyClassValue<T> createGroovyClassValue(ComputeValue<T> computeValue) {
return (USE_CLASSVALUE)
? new GroovyClassValueJava7<>(computeValue)
: new GroovyClassValuePreJava7<>(computeValue);
}
}