| /* |
| * 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.carbondata.core.datastore; |
| |
| import org.apache.carbondata.core.constants.CarbonCommonConstants; |
| import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier; |
| import org.apache.carbondata.core.metadata.CarbonTableIdentifier; |
| |
| /** |
| * Class holds the absoluteTableIdentifier and segmentId to uniquely identify a segment |
| */ |
| public class TableSegmentUniqueIdentifier { |
| /** |
| * table fully qualified identifier |
| */ |
| private AbsoluteTableIdentifier absoluteTableIdentifier; |
| |
| private String segmentId; |
| |
| /** |
| * Constructor to initialize the class instance |
| * @param absoluteTableIdentifier |
| * @param segmentId |
| */ |
| public TableSegmentUniqueIdentifier(AbsoluteTableIdentifier absoluteTableIdentifier, |
| String segmentId) { |
| this.absoluteTableIdentifier = absoluteTableIdentifier; |
| this.segmentId = segmentId; |
| } |
| |
| public String getSegmentId() { |
| return segmentId; |
| } |
| |
| /** |
| * method returns the id to uniquely identify a key |
| * |
| * @return |
| */ |
| public String getUniqueTableSegmentIdentifier() { |
| CarbonTableIdentifier carbonTableIdentifier = |
| absoluteTableIdentifier.getCarbonTableIdentifier(); |
| return carbonTableIdentifier.getDatabaseName() + CarbonCommonConstants.FILE_SEPARATOR |
| + carbonTableIdentifier.getTableName() + CarbonCommonConstants.UNDERSCORE |
| + carbonTableIdentifier.getTableId() + CarbonCommonConstants.FILE_SEPARATOR + segmentId; |
| } |
| |
| /** |
| * equals method to compare two objects having same |
| * absoluteIdentifier and segmentId |
| * @param o |
| * @return |
| */ |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| TableSegmentUniqueIdentifier that = (TableSegmentUniqueIdentifier) o; |
| |
| if (!absoluteTableIdentifier.equals(that.absoluteTableIdentifier)) return false; |
| return segmentId.equals(that.segmentId); |
| |
| } |
| |
| /** |
| * Returns hashcode for the TableSegmentIdentifier |
| * @return |
| */ |
| @Override |
| public int hashCode() { |
| int result = absoluteTableIdentifier.hashCode(); |
| result = 31 * result + segmentId.hashCode(); |
| return result; |
| } |
| } |