org.apache.drill.exec.vector

Class SchemaChangeCallBack

java.lang.Object

org.apache.drill.exec.vector.SchemaChangeCallBack

All Implemented Interfaces:

CallBack

public class SchemaChangeCallBack
extends Object
implements CallBack

Constructor Summary

Constructors

Constructor and Description
SchemaChangeCallBack() Constructs a schema-change callback with the schema-changed state set to false.

Method Summary

Modifier and Type	Method and Description
void	doWork() Sets the schema-changed state to true.
boolean	getSchemaChangedAndReset() Returns the value of schema-changed state, resetting the schema-changed state to false.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SchemaChangeCallBack

public SchemaChangeCallBack()

Constructs a schema-change callback with the schema-changed state set to false.

Method Detail

doWork

public void doWork()

Sets the schema-changed state to true.

Specified by:

doWork in interface CallBack

getSchemaChangedAndReset

public boolean getSchemaChangedAndReset()

Returns the value of schema-changed state, resetting the schema-changed state to false.