1 files changed, 45 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/query/change/ChangeIdPredicate.java b/java/com/google/gerrit/server/query/change/ChangeIdPredicate.java
new file mode 100644
index 0000000000..d541d189cf
--- /dev/null
+++ b/java/com/google/gerrit/server/query/change/ChangeIdPredicate.java
@@ -0,0 +1,45 @@
+// Copyright (C) 2010 The Android Open Source Project
+//
+// 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.gerrit.server.query.change;
+
+import com.google.gerrit.reviewdb.client.Change;
+import com.google.gerrit.server.index.change.ChangeField;
+import com.google.gwtorm.server.OrmException;
+
+/** Predicate over Change-Id strings (aka Change.Key). */
+public class ChangeIdPredicate extends ChangeIndexPredicate {
+  public ChangeIdPredicate(String id) {
+    super(ChangeField.ID, ChangeQueryBuilder.FIELD_CHANGE, id);
+  }
+
+  @Override
+  public boolean match(ChangeData cd) throws OrmException {
+    Change change = cd.change();
+    if (change == null) {
+      return false;
+    }
+
+    String key = change.getKey().get();
+    if (key.equals(getValue()) || key.startsWith(getValue())) {
+      return true;
+    }
+    return false;
+  }
+
+  @Override
+  public int getCost() {
+    return 1;
+  }
+}