| /* |
| * 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.phoenix.schema; |
| |
| import org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy; |
| |
| import org.apache.phoenix.util.SchemaUtil; |
| |
| |
| public class MetaDataSplitPolicy extends ConstantSizeRegionSplitPolicy { |
| |
| @Override |
| protected byte[] getSplitPoint() { |
| byte[] splitPoint = super.getSplitPoint(); |
| int offset = SchemaUtil.getVarCharLength(splitPoint, 0, splitPoint.length); |
| // Split only on Phoenix schema name, so this is ok b/c we won't be splitting |
| // in the middle of a Phoenix table. |
| if (offset == splitPoint.length) { |
| return splitPoint; |
| } |
| // offset = SchemaUtil.getVarCharLength(splitPoint, offset+1, splitPoint.length-offset-1); |
| // // Split only on Phoenix schema and table name, so this is ok b/c we won't be splitting |
| // // in the middle of a Phoenix table. |
| // if (offset == splitPoint.length) { |
| // return splitPoint; |
| // } |
| // Otherwise, an attempt is being made to split in the middle of a table. |
| // Just return a split point at the schema boundary instead |
| byte[] newSplitPoint = new byte[offset + 1]; |
| System.arraycopy(splitPoint, 0, newSplitPoint, 0, offset+1); |
| return newSplitPoint; |
| } |
| |
| } |