HBASE-8415 DisabledRegionSplitPolicy

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1475943 13f79535-47bb-0310-9956-ffa450edef68

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/DisabledRegionSplitPolicy.java

@@ -0,0 +1,32 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.apache.hadoop.hbase.regionserver;
+
+/**
+ * A {@link RegionSplitPolicy} that disables region splits.
+ * This should be used with care, since it will disable automatic sharding.
+ * Most of the time, using {@link ConstantSizeRegionSplitPolicy} with a
+ * large region size (10GB, etc) is safer.
+ */
+public class DisabledRegionSplitPolicy extends RegionSplitPolicy {
+  @Override
+  protected boolean shouldSplit() {
+    return false;
+  }
+}