com.liveramp.cascading_ext.counters.Counter.java Source code

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Here is the source code for com.liveramp.cascading_ext.counters.Counter.java

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/**
 *  Copyright 2012 LiveRamp
 *
 *  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.liveramp.cascading_ext.counters;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.CompareToBuilder;

public class Counter implements Comparable<Counter> {
    private final String group;
    private final String name;
    private final Long value;

    public Counter(String group, String name, Long value) {
        this.group = group;
        this.name = name;
        this.value = value;
    }

    public String getGroup() {
        return group;
    }

    public String getName() {
        return name;
    }

    public Long getValue() {
        return value;
    }

    @Override
    public String toString() {
        return padSpaces(name, 19) + ": " + padSpaces(prettyValue(), 11) + " (" + group + ")";
    }

    @Override
    public boolean equals(Object other) {
        return other != null && other instanceof Counter && ((Counter) other).group.equals(group)
                && ((Counter) other).name.equals(name) && ((Counter) other).value.equals(value);
    }

    private String prettyValue() {
        if (value == null) {
            return "null";
        }
        if (name.contains("BYTES")) {
            return FileUtils.byteCountToDisplaySize(value);
        }
        return value.toString();
    }

    private static String padSpaces(String str, int num) {
        int numSpaces = Math.max(0, num - str.length());
        return str + StringUtils.repeat(" ", numSpaces);
    }

    @Override
    public int compareTo(Counter counter) {
        return new CompareToBuilder().append(group, counter.getGroup()).append(name, counter.getName())
                .append(value, counter.getValue()).toComparison();
    }
}