org.apache.hadoop.hive.serde2.lazybinary.LazyBinaryObject Maven / Gradle / Ivy
/*
* 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.lazybinary;
import org.apache.hadoop.hive.serde2.lazy.LazyObjectBase;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
/**
* LazyBinaryObject stores an object in a binary format in a byte[]. For
* example, a double takes four bytes.
*
* A LazyBinaryObject can represent any primitive object or hierarchical object
* like string, list, map or struct.
*/
public abstract class LazyBinaryObject implements LazyObjectBase {
OI oi;
/**
* Create a LazyBinaryObject.
*
* @param oi
* Derived classes can access meta information about this Lazy Binary
* Object (e.g, length, null-bits) from it.
*/
protected LazyBinaryObject(OI oi) {
this.oi = oi;
}
public void setNull() {
throw new IllegalStateException("should not be called");
}
@Override
public abstract int hashCode();
}