| /* |
| * 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.drill.exec.store.mapr.db; |
| |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.mapr.db.index.IndexDesc; |
| import com.mapr.fs.jni.MapRConstants; |
| import com.mapr.org.apache.hadoop.hbase.util.Bytes; |
| |
| public class MapRDBSubScanSpec implements Comparable<MapRDBSubScanSpec> { |
| |
| protected String tableName; |
| protected IndexDesc indexDesc; |
| protected String regionServer; |
| protected byte[] startRow; |
| protected byte[] stopRow; |
| protected byte[] serializedFilter; |
| protected String userName; |
| |
| @JsonCreator |
| public MapRDBSubScanSpec(@JsonProperty("tableName") String tableName, |
| @JsonProperty("indexDesc") IndexDesc indexDesc, |
| @JsonProperty("regionServer") String regionServer, |
| @JsonProperty("startRow") byte[] startRow, |
| @JsonProperty("stopRow") byte[] stopRow, |
| @JsonProperty("serializedFilter") byte[] serializedFilter, |
| @JsonProperty("filterString") String filterString, |
| @JsonProperty("username") String userName) { |
| if (serializedFilter != null && filterString != null) { |
| throw new IllegalArgumentException("The parameters 'serializedFilter' or 'filterString' cannot be specified at the same time."); |
| } |
| this.tableName = tableName; |
| this.indexDesc = indexDesc; |
| this.regionServer = regionServer; |
| this.startRow = startRow; |
| this.stopRow = stopRow; |
| this.serializedFilter = serializedFilter; |
| this.userName = userName; |
| } |
| |
| /* package */ MapRDBSubScanSpec() { |
| // empty constructor, to be used with builder pattern; |
| } |
| |
| public String getTableName() { |
| return tableName; |
| } |
| |
| public IndexDesc getIndexDesc() { |
| return indexDesc; |
| } |
| |
| public MapRDBSubScanSpec setTableName(String tableName) { |
| this.tableName = tableName; |
| return this; |
| } |
| |
| public String getRegionServer() { |
| return regionServer; |
| } |
| |
| public MapRDBSubScanSpec setRegionServer(String regionServer) { |
| this.regionServer = regionServer; |
| return this; |
| } |
| |
| /** |
| * @return the raw (not-encoded) start row key for this sub-scan |
| */ |
| public byte[] getStartRow() { |
| return startRow == null ? MapRConstants.EMPTY_BYTE_ARRAY: startRow; |
| } |
| |
| public MapRDBSubScanSpec setStartRow(byte[] startRow) { |
| this.startRow = startRow; |
| return this; |
| } |
| |
| /** |
| * @return the raw (not-encoded) stop row key for this sub-scan |
| */ |
| public byte[] getStopRow() { |
| return stopRow == null ? MapRConstants.EMPTY_BYTE_ARRAY : stopRow; |
| } |
| |
| public MapRDBSubScanSpec setStopRow(byte[] stopRow) { |
| this.stopRow = stopRow; |
| return this; |
| } |
| |
| public byte[] getSerializedFilter() { |
| return serializedFilter; |
| } |
| |
| public MapRDBSubScanSpec setSerializedFilter(byte[] serializedFilter) { |
| this.serializedFilter = serializedFilter; |
| return this; |
| } |
| |
| public String getUserName() { |
| return userName; |
| } |
| |
| public void setUserName(String userName) { |
| this.userName = userName; |
| } |
| |
| @Override |
| public String toString() { |
| return "MapRDBSubScanSpec [tableName=" + tableName |
| + ", startRow=" + (startRow == null ? null : Bytes.toStringBinary(startRow)) |
| + ", stopRow=" + (stopRow == null ? null : Bytes.toStringBinary(stopRow)) |
| + ", filter=" + (getSerializedFilter() == null ? null : Bytes.toBase64(getSerializedFilter())) |
| + ", regionServer=" + regionServer |
| + ", userName=" + userName + "]"; |
| } |
| |
| @Override |
| /* |
| * The semantics of the compareTo function is same as that of TabletInfoImpl. |
| * It compares the startRows of the two subScanSpec and returns the status |
| * if one is greater than the other. If the two startRows are same then it |
| * compares the stopRows. |
| */ |
| public int compareTo(MapRDBSubScanSpec o) { |
| if (o == null) { |
| return 1; |
| } else { |
| int result = Bytes.compareTo(this.getStartRow(), o.getStartRow()); |
| if (result != 0) { |
| return result; |
| } else { |
| result = Bytes.compareTo(this.getStopRow(), o.getStopRow()); |
| if (result != 0) { |
| if (this.getStartRow().length != 0 && this.getStopRow().length == 0) { |
| return 1; |
| } else { |
| return o.getStartRow().length != 0 && o.getStopRow().length == 0 ? -1 : result; |
| } |
| } else { |
| return 0; |
| } |
| } |
| } |
| } |
| } |