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/*
* Copyright 2016 James Moger.
*
* 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.iciql;
import java.io.Serializable;
import java.util.Date;
public class ValueCount<X> implements Serializable, Comparable<ValueCount<X>> {
private final static long serialVersionUID = 1L;
private final X value;
private final long count;
ValueCount(X x, long count) {
this.value = x;
this.count = count;
}
public X getValue() {
return value;
}
public long getCount() {
return count;
}
@Override
public String toString() {
return String.format("%s=%d", value, count);
}
@Override
public int compareTo(ValueCount<X> o) {
return (count < o.count) ? -1 : ((count == o.count) ? compareValue(o.value) : 1);
}
private int compareValue(X anotherValue) {
if (value == null && anotherValue == null) {
return 0;
} else if (value == null) {
return 1;
} else if (anotherValue == null) {
return -1;
}
if (Number.class.isAssignableFrom(value.getClass())) {
long n1 = ((Number) value).longValue();
long n2 = ((Number) anotherValue).longValue();
return (n1 < n2) ? -1 : ((n1 == n2) ? 0 : 1);
} else if (Date.class.isAssignableFrom(value.getClass())) {
return ((Date) value).compareTo((Date) anotherValue);
}
return value.toString().compareToIgnoreCase(anotherValue.toString());
}
}
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