/** * Licensed to Cloudera, Inc. under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. Cloudera, Inc. licenses this file * to you 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.cloudera.flume.reporter.histogram; import com.cloudera.util.Histogram; /** * Generic class for histogram chart generators. This generate method creates a * string that formats histogram. * * This assumes that the histogram is fed every so often. Any axis, title, * legend information should be specified in the generator's constructor. * * Type T is the type of the object used to bin values into histograms. */ abstract public class HistogramChartGen<T> { abstract public String generate(Histogram<T> h); }