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* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.richfaces.tests.metamer.ftest.extension.configurator.skip;
import java.util.Map;
import com.google.common.collect.Maps;
/**
* Simple cache for storing results of SkipOn#apply() expressions.
* @author <a href="mailto:jstefek@redhat.com">Jiri Stefek</a>
*/
public enum SkipOnResultsCache {
INSTANCE;
private final Map<Class<? extends SkipOn>, Boolean> checkedClassesCache = Maps.newHashMap();
public static SkipOnResultsCache getInstance() {
return INSTANCE;
}
public boolean getResultFor(Class<? extends SkipOn> skipOnClass) {
if (checkedClassesCache.containsKey(skipOnClass)) {
// System.out.println(MessageFormat.format("Class <{0}> was in cache with result <{1}>", skipOnClass.getSimpleName(), checkedClassesCache.get(skipOnClass)));
return checkedClassesCache.get(skipOnClass);
} else {
boolean result;
try {
result = skipOnClass.newInstance().apply();
} catch (Exception ex) {
System.err.println(ex);
result = false;
}
// System.out.println(MessageFormat.format("Inserting class <{0}> to cache with result <{1}>", skipOnClass.getSimpleName(), result));
checkedClassesCache.put(skipOnClass, result);
return result;
}
}
}