/**
* 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.serde2.typeinfo;
import java.io.Serializable;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector.Category;
import org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector.PrimitiveCategory;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorUtils;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorUtils.PrimitiveTypeEntry;
/**
* There are limited number of Primitive Types. All Primitive Types are defined
* by TypeInfoFactory.isPrimitiveClass().
*
* Always use the TypeInfoFactory to create new TypeInfo objects, instead of
* directly creating an instance of this class.
*/
public class PrimitiveTypeInfo extends TypeInfo implements Serializable {
private static final long serialVersionUID = 1L;
// Base name (varchar vs fully qualified name such as varchar(200)).
protected String typeName;
/**
* For java serialization use only.
*/
public PrimitiveTypeInfo() {
}
/**
* For TypeInfoFactory use only.
*/
PrimitiveTypeInfo(String typeName) {
this.typeName = typeName;
}
/**
* Returns the category of this TypeInfo.
*/
@Override
public Category getCategory() {
return Category.PRIMITIVE;
}
public PrimitiveCategory getPrimitiveCategory() {
return getPrimitiveTypeEntry().primitiveCategory;
}
public Class<?> getPrimitiveWritableClass() {
return getPrimitiveTypeEntry().primitiveWritableClass;
}
public Class<?> getPrimitiveJavaClass() {
return getPrimitiveTypeEntry().primitiveJavaClass;
}
// The following 2 methods are for java serialization use only.
public void setTypeName(String typeName) {
this.typeName = typeName;
}
@Override
public String getTypeName() {
return typeName;
}
public PrimitiveTypeEntry getPrimitiveTypeEntry() {
return PrimitiveObjectInspectorUtils.getTypeEntryFromTypeName(typeName);
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (other == null || getClass() != other.getClass()) {
return false;
}
PrimitiveTypeInfo pti = (PrimitiveTypeInfo) other;
return this.typeName.equals(pti.typeName);
}
/**
* Generate the hashCode for this TypeInfo.
*/
@Override
public int hashCode() {
return typeName.hashCode();
}
@Override
public String toString() {
return typeName;
}
}