/**
* 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.hive.ql.metadata;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.serde2.typeinfo.PrimitiveTypeInfo;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
public class VirtualColumn implements Serializable {
private static final long serialVersionUID = 1L;
public static VirtualColumn FILENAME = new VirtualColumn("INPUT__FILE__NAME", (PrimitiveTypeInfo)TypeInfoFactory.stringTypeInfo);
public static VirtualColumn BLOCKOFFSET = new VirtualColumn("BLOCK__OFFSET__INSIDE__FILE", (PrimitiveTypeInfo)TypeInfoFactory.longTypeInfo);
public static VirtualColumn ROWOFFSET = new VirtualColumn("ROW__OFFSET__INSIDE__BLOCK", (PrimitiveTypeInfo)TypeInfoFactory.longTypeInfo);
public static VirtualColumn RAWDATASIZE = new VirtualColumn("RAW__DATA__SIZE", (PrimitiveTypeInfo)TypeInfoFactory.longTypeInfo);
private String name;
private PrimitiveTypeInfo typeInfo;
private boolean isHidden = true;
public VirtualColumn() {
}
public VirtualColumn(String name, PrimitiveTypeInfo typeInfo) {
this(name, typeInfo, true);
}
VirtualColumn(String name, PrimitiveTypeInfo typeInfo, boolean isHidden) {
this.name = name;
this.typeInfo = typeInfo;
this.isHidden = isHidden;
}
public static List<VirtualColumn> getStatsRegistry(Configuration conf) {
List<VirtualColumn> l = new ArrayList<VirtualColumn>();
if (HiveConf.getBoolVar(conf, HiveConf.ConfVars.HIVE_STATS_COLLECT_RAWDATASIZE)) {
l.add(RAWDATASIZE);
}
return l;
}
public static List<VirtualColumn> getRegistry(Configuration conf) {
ArrayList<VirtualColumn> l = new ArrayList<VirtualColumn>();
l.add(BLOCKOFFSET);
l.add(FILENAME);
if (HiveConf.getBoolVar(conf, HiveConf.ConfVars.HIVEROWOFFSET)) {
l.add(ROWOFFSET);
}
return l;
}
public PrimitiveTypeInfo getTypeInfo() {
return typeInfo;
}
public void setTypeInfo(PrimitiveTypeInfo typeInfo) {
this.typeInfo = typeInfo;
}
public String getName() {
return this.name;
}
public void setName(String name) {
this.name = name;
}
public boolean isHidden() {
return isHidden;
}
public boolean getIsHidden() {
return isHidden;
}
public void setIsHidden(boolean isHidden) {
this.isHidden = isHidden;
}
@Override
public boolean equals(Object o) {
if (o == null) {
return false;
}
if (this == o) {
return true;
}
VirtualColumn c = (VirtualColumn) o;
return this.name.equals(c.name)
&& this.typeInfo.getTypeName().equals(c.getTypeInfo().getTypeName());
}
}