/*
* Copyright 2005-2010 the original author or authors.
*
* 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 org.dozer.stats;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.ReflectionToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import java.util.concurrent.atomic.AtomicLong;
/**
* Internal class that represents one entry in the statistic. Holds the statistic value and unique key for lookup.
* Entry counter is based on AtomicLong and is Thread Safe.
*
* Only intended for internal use.
*
* @author tierney.matt
* @author dmitry.buzdin
*/
public class StatisticEntry {
private final Object key;
private final AtomicLong value = new AtomicLong();
public StatisticEntry(Object key) {
this.key = key;
}
public Object getKey() {
return key;
}
public long getValue() {
return value.get();
}
public void increment(long value) {
this.value.addAndGet(value);
}
@Override
public boolean equals(Object object) {
if ((this == object)) {
return true;
}
if (!(object instanceof StatisticEntry)) {
return false;
}
StatisticEntry entry = (StatisticEntry) object;
return new EqualsBuilder().append(this.getKey(), entry.getKey()).isEquals();
}
@Override
public int hashCode() {
return key.hashCode();
}
@Override
public String toString() {
return ReflectionToStringBuilder.toString(this, ToStringStyle.MULTI_LINE_STYLE);
}
}