// Copyright 2014 The Bazel Authors. All rights reserved. // // 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.google.devtools.build.lib.profiler.chart; import com.google.devtools.build.lib.util.Preconditions; /** * A bar in a row of a Gantt Chart. */ public class ChartBar { /** * The start value of the bar. This value has no unit. The interpretation of * the value is up to the user of the class. */ private final long start; /** * The stop value of the bar. This value has no unit. The interpretation of * the value is up to the user of the class. */ private final long stop; /** The type of the bar. */ private final ChartBarType type; /** Emphasize the bar */ private boolean highlight; /** The label of the bar. */ private final String label; /** The chart row this bar belongs to. */ private final ChartRow row; /** * Creates a chart bar. * * @param row the chart row this bar belongs to * @param start the start value of the bar * @param stop the stop value of the bar * @param type the type of the bar * @param label the label of the bar */ public ChartBar(ChartRow row, long start, long stop, ChartBarType type, boolean highlight, String label) { Preconditions.checkNotNull(row); Preconditions.checkNotNull(type); Preconditions.checkNotNull(label); this.row = row; this.start = start; this.stop = stop; this.type = type; this.highlight = highlight; this.label = label; } /** * Accepts a {@link ChartVisitor}. Calls {@link ChartVisitor#visit(ChartBar)}. * * @param visitor the visitor to accept */ public void accept(ChartVisitor visitor) { visitor.visit(this); } public long getStart() { return start; } public long getStop() { return stop; } public long getWidth() { return stop - start; } public ChartBarType getType() { return type; } public boolean getHighlight() { return highlight; } public String getLabel() { return label; } public ChartRow getRow() { return row; } }