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/hudson-core/src/main/java/hudson/matrix/LabelAxis.java

http://github.com/hudson/hudson
Java | 64 lines | 27 code | 6 blank | 31 comment | 1 complexity | 81963a910b02e578562b083518c2af9c MD5 | raw file
 1/*
 2 * The MIT License
 3 *
 4 * Copyright (c) 2010, InfraDNA, Inc.
 5 *
 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
 7 * of this software and associated documentation files (the "Software"), to deal
 8 * in the Software without restriction, including without limitation the rights
 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24package hudson.matrix;
25
26import hudson.Extension;
27import hudson.model.Hudson;
28import org.kohsuke.stapler.DataBoundConstructor;
29
30import java.util.List;
31
32/**
33 * {@link Axis} that selects label expressions.
34 *
35 * @author Kohsuke Kawaguchi
36 */
37public class LabelAxis extends Axis {
38    @DataBoundConstructor
39    public LabelAxis(String name, List<String> values) {
40        super(name, values);
41    }
42
43    @Override
44    public boolean isSystem() {
45        return true;
46    }
47
48    @Extension
49    public static class DescriptorImpl extends AxisDescriptor {
50        @Override
51        public String getDisplayName() {
52            return Messages.LabelAxis_DisplayName();
53        }
54
55        /**
56         * If there's no distributed build set up, it's pointless to provide this axis.
57         */
58        @Override
59        public boolean isInstantiable() {
60            Hudson h = Hudson.getInstance();
61            return !h.getNodes().isEmpty() || !h.clouds.isEmpty();
62        }
63    }
64}