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/*
* 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;
}
}
}
}
}
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