| // 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.common.base.Preconditions; |
| |
| /** |
| * A chart column. The column can be used to highlight a time-range. |
| */ |
| public class ChartColumn { |
| |
| /** |
| * 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; |
| |
| /** The label of the bar. */ |
| private final String label; |
| |
| private int rowCount; |
| |
| /** |
| * Creates a chart column. |
| * |
| * @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 ChartColumn(long start, long stop, ChartBarType type, String label) { |
| Preconditions.checkNotNull(type); |
| Preconditions.checkNotNull(label); |
| this.start = start; |
| this.stop = stop; |
| this.type = type; |
| 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 getWidth() { |
| return stop - start; |
| } |
| |
| public ChartBarType getType() { |
| return type; |
| } |
| |
| public String getLabel() { |
| return label; |
| } |
| |
| public int getRowCount() { |
| return rowCount; |
| } |
| |
| public void setRowCount(int rowCount) { |
| this.rowCount = rowCount; |
| } |
| } |