/*
* Copyright (c) 2010-2013 Evolveum
*
* 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.
*/
package com.evolveum.midpoint.model.impl.filter;
import com.evolveum.midpoint.prism.PrismPropertyValue;
import com.evolveum.midpoint.util.logging.Trace;
import com.evolveum.midpoint.util.logging.TraceManager;
import org.apache.commons.lang.Validate;
/**
* Empty filter. It does not transform the value at all. It only logs it. Can
* be used in tests and for diagnostics.
*
* @author Igor Farinic
* @author Radovan Semancik
*/
public class EmptyFilter extends AbstractFilter {
private static final Trace LOGGER = TraceManager.getTrace(EmptyFilter.class);
@Override
public <T extends Object> PrismPropertyValue<T> apply(PrismPropertyValue<T> value) {
Validate.notNull(value, "Node must not be null.");
LOGGER.debug("EmptyFilter see {}", value.toString());
return value;
}
}