BuildChooser extension point (mimic git-plugin)

src/main/java/hudson/plugins/mercurial/build/Build.java

@@ -1,25 +0,0 @@
-package hudson.plugins.mercurial.build;
-
-/**
- * Capture the status of a Jenkins build vs a Mercurial commit ID
- * @author <a href="mailto:nicolas.deloof@cloudbees.com">Nicolas De loof</a>
- */
-public class Build {
-
-    public int buildNumber;
-
-    public String changesetID;
-
-    public String branch;
-
-    public Build(int buildNumber, String branch, String sha) {
-        this.buildNumber = buildNumber;
-        this.branch = branch;
-        this.changesetID = sha;
-    }
-
-    @Override
-    public String toString() {
-        return "Build #" + buildNumber + " of " + changesetID + " on " + branch;
-    }
-}

src/main/java/hudson/plugins/mercurial/build/BuildChooser.java

@@ -0,0 +1,42 @@
+package hudson.plugins.mercurial.build;
+
+import hudson.DescriptorExtensionList;
+import hudson.ExtensionPoint;
+import hudson.model.Describable;
+import hudson.model.Hudson;
+import hudson.plugins.mercurial.MercurialSCM;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.util.Collection;
+
+/**
+ * Extension point to identify the revision (commit ID) to be built
+ *
+ * @author <a href="mailto:nicolas.deloof@cloudbees.com">Nicolas De loof</a>
+ */
+public abstract class BuildChooser implements ExtensionPoint, Describable<BuildChooser>, Serializable {
+
+    /**
+     * Get a list of revisions (commit IDs or branch names) that are candidates to be built.
+     * @param branchSpec the branch specification, may be a specific branch name or a pattern to monitor multiple branches
+     * @return candidate revisions, may be an empty collection but not null
+     */
+    public abstract Collection<String> getCandidateRevisions(String branchSpec) throws IOException;
+
+    /**
+     * Refers back to the {@link MercurialSCM} that owns this build chooser.
+     */
+    public transient MercurialSCM scm;
+
+    public BuildChooserDescriptor getDescriptor() {
+        return (BuildChooserDescriptor)Hudson.getInstance().getDescriptorOrDie(getClass());
+    }
+
+    public static DescriptorExtensionList<BuildChooser,BuildChooserDescriptor> all() {
+        return Hudson.getInstance().<BuildChooser,BuildChooserDescriptor>getDescriptorList(BuildChooser.class);
+    }
+
+    private static final long serialVersionUID = 1L;
+
+}

src/main/java/hudson/plugins/mercurial/build/BuildChooserDescriptor.java

@@ -0,0 +1,9 @@
+package hudson.plugins.mercurial.build;
+
+import hudson.model.Descriptor;
+
+/**
+ * @author <a href="mailto:nicolas.deloof@cloudbees.com">Nicolas De loof</a>
+ */
+public abstract class BuildChooserDescriptor extends Descriptor<BuildChooser> {
+}

src/main/java/hudson/plugins/mercurial/build/BuildData.java

@@ -2,13 +2,20 @@
 
 import static hudson.Util.fixNull;
 
+<<<<<<< HEAD
 import hudson.model.AbstractBuild;
 import hudson.model.Action;
 import hudson.plugins.mercurial.MercurialTagAction;
 
 import java.io.Serializable;
 import java.util.HashMap;
 import java.util.List;
+=======
+import hudson.model.Action;
+
+import java.io.Serializable;
+import java.util.HashMap;
+>>>>>>> 386bffe... BuildChooser extension point (mimic git-plugin)
 import java.util.Map;
 
 /**
@@ -21,6 +28,7 @@
     /**
      * Map of branch name -> build (Branch name to last built SHA1).
      */
+<<<<<<< HEAD
     Map<String,MercurialTagAction> buildsByBranchName = new HashMap<String,MercurialTagAction>();
 
     public final String scm;
@@ -31,19 +39,34 @@ public BuildData(String scm) {
 
     public void saveBuild(MercurialTagAction build) {
         buildsByBranchName.put(build.getBranch(), build);
+=======
+    Map<String,Build> buildsByBranchName = new HashMap<String,Build>();
+
+    public void saveBuild(Build build) {
+        buildsByBranchName.put(build.branch, build);
+>>>>>>> 386bffe... BuildChooser extension point (mimic git-plugin)
     }
 
     /**
      * @return true if the changesetID has already been built in the past
      */
     public boolean hasBeenBuilt(String changesetID) {
+<<<<<<< HEAD
         for (MercurialTagAction b : buildsByBranchName.values()) {
             if (b.getId().equals(changesetID)) return true;
+=======
+        for (Build b : buildsByBranchName.values()) {
+            if (b.changesetID.equals(changesetID)) return true;
+>>>>>>> 386bffe... BuildChooser extension point (mimic git-plugin)
         }
         return false;
     }
 
+<<<<<<< HEAD
     public MercurialTagAction getLastBuildOfBranch(String branch) {
+=======
+    public Build getLastBuildOfBranch(String branch) {
+>>>>>>> 386bffe... BuildChooser extension point (mimic git-plugin)
         return buildsByBranchName.get(branch);
     }
 
@@ -58,6 +81,7 @@ public String getIconFileName() {
     public String getUrlName() {
         return "mercurial";
     }
+<<<<<<< HEAD
 
     public static BuildData getBuildData(String scm, AbstractBuild<?,?> build) {
         BuildData buildData = null;
@@ -77,4 +101,6 @@ public static BuildData getBuildData(String scm, AbstractBuild<?,?> build) {
 
         return (buildData != null ? buildData : new BuildData(scm));
     }
+=======
+>>>>>>> 386bffe... BuildChooser extension point (mimic git-plugin)
 }

src/main/java/hudson/plugins/mercurial/build/DefaultBuildChooser.java

@@ -0,0 +1,26 @@
+package hudson.plugins.mercurial.build;
+
+import hudson.Extension;
+
+import java.io.IOException;
+import java.util.Collection;
+
+/**
+ * @author <a href="mailto:nicolas.deloof@cloudbees.com">Nicolas De loof</a>
+ */
+public class DefaultBuildChooser extends BuildChooser {
+
+    @Override
+    public Collection<String> getCandidateRevisions(String branchSpec) throws IOException {
+
+        return null;
+    }
+
+    @Extension
+    public static final class DescriptorImpl extends BuildChooserDescriptor {
+        @Override
+        public String getDisplayName() {
+            return "Default";
+        }
+    }
+}