Add a match state filter

core/src/main/java/tc/oc/pgm/filters/FilterParser.java

@@ -458,6 +458,44 @@ public ScoreFilter parseScoreFilter(Element el) throws InvalidXMLException {
     return new ScoreFilter(XMLUtils.parseNumericRange(new Node(el), Integer.class));
   }
 
+  @MethodParser("match-phase")
+  public Filter parseMatchPhase(Element el) throws InvalidXMLException {
+    return parseMatchPhaseFilter(el.getValue(), el);
+  }
+
+  @MethodParser("match-started")
+  public Filter parseMatchStarted(Element el) throws InvalidXMLException {
+    return parseMatchPhaseFilter("started", el);
+  }
+
+  @MethodParser("match-running")
+  public Filter parseMatchRunning(Element el) throws InvalidXMLException {
+    return parseMatchPhaseFilter("running", el);
+  }
+
+  @MethodParser("match-finished")
+  public Filter parseMatchFinished(Element el) throws InvalidXMLException {
+    return parseMatchPhaseFilter("finished", el);
+  }
+
+  private Filter parseMatchPhaseFilter(String matchState, Element el) throws InvalidXMLException {
+
+    switch (matchState) {
+      case "running":
+        return MatchPhaseFilter.RUNNING;
+      case "finished":
+        return MatchPhaseFilter.FINISHED;
+      case "starting":
+        return MatchPhaseFilter.STARTING;
+      case "idle":
+        return MatchPhaseFilter.IDLE;
+      case "started":
+        return MatchPhaseFilter.STARTED;
+    }
+
+    throw new InvalidXMLException("Invalid or no match state found", el);
+  }
+
   // Methods for parsing QueryModifiers
 
   @MethodParser("offset")

core/src/main/java/tc/oc/pgm/filters/MatchPhaseFilter.java

@@ -0,0 +1,33 @@
+package tc.oc.pgm.filters;
+
+import tc.oc.pgm.api.filter.Filter;
+import tc.oc.pgm.api.filter.query.MatchQuery;
+import tc.oc.pgm.api.match.MatchPhase;
+
+public class MatchPhaseFilter extends TypedFilter<MatchQuery> {
+
+  public static final MatchPhaseFilter RUNNING = new MatchPhaseFilter(MatchPhase.RUNNING);
+  public static final MatchPhaseFilter FINISHED = new MatchPhaseFilter(MatchPhase.FINISHED);
+  public static final MatchPhaseFilter STARTING = new MatchPhaseFilter(MatchPhase.STARTING);
+  public static final MatchPhaseFilter IDLE = new MatchPhaseFilter(MatchPhase.IDLE);
+  public static final Filter STARTED =
+      AnyFilter.of(
+          new MatchPhaseFilter(MatchPhase.RUNNING), new MatchPhaseFilter(MatchPhase.FINISHED));
+
+  private final MatchPhase matchPhase;
+
+  public MatchPhaseFilter(MatchPhase matchPhase) {
+    this.matchPhase = matchPhase;
+  }
+
+  @Override
+  public Class<? extends MatchQuery> getQueryType() {
+    return MatchQuery.class;
+  }
+
+  @Override
+  protected QueryResponse queryTyped(MatchQuery query) {
+    MatchPhase current = query.getMatch().getPhase();
+    return QueryResponse.fromBoolean(matchPhase == current);
+  }
+}