/**
* 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 org.apache.hadoop.hive.common.type.HiveBaseChar;
import org.apache.hadoop.hive.common.type.HiveChar;
import org.apache.hadoop.hive.common.type.HiveVarchar;
import org.apache.hadoop.hive.serde2.io.HiveBaseCharWritable;
import org.apache.hadoop.hive.serde2.io.HiveCharWritable;
import org.apache.hadoop.hive.serde2.io.HiveVarcharWritable;
public class BaseCharUtils {
public static void validateVarcharParameter(int length) {
if (length > HiveVarchar.MAX_VARCHAR_LENGTH || length < 1) {
throw new RuntimeException("Varchar length " + length + " out of allowed range [1, " +
HiveVarchar.MAX_VARCHAR_LENGTH + "]");
}
}
public static void validateCharParameter(int length) {
if (length > HiveChar.MAX_CHAR_LENGTH || length < 1) {
throw new RuntimeException("Char length " + length + " out of allowed range [1, " +
HiveChar.MAX_CHAR_LENGTH + "]");
}
}
public static boolean doesWritableMatchTypeParams(HiveBaseCharWritable writable,
BaseCharTypeInfo typeInfo) {
return typeInfo.getLength() >= writable.getCharacterLength();
}
public static boolean doesPrimitiveMatchTypeParams(HiveBaseChar value,
BaseCharTypeInfo typeInfo) {
return typeInfo.getLength() == value.getCharacterLength();
}
}