org.apache.hadoop.hive.metastore.txn.jdbc.functions

Class FindPotentialCompactionsFunction

java.lang.Object

org.apache.hadoop.hive.metastore.txn.jdbc.functions.FindPotentialCompactionsFunction

All Implemented Interfaces:

TransactionalFunction<Set<CompactionInfo>>

public class FindPotentialCompactionsFunction
extends Object
implements TransactionalFunction<Set<CompactionInfo>>

Constructor Summary

Constructors

Constructor and Description
FindPotentialCompactionsFunction(org.apache.hadoop.conf.Configuration conf, int abortedThreshold, long abortedTimeThreshold, long lastChecked)

Method Summary

Modifier and Type	Method and Description
Set<CompactionInfo>	execute(MultiDataSourceJdbcResource jdbcResource) Implementations typically should execute transsactional database calls inside.

Methods inherited from class java.lang.Object

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

Constructor Detail

FindPotentialCompactionsFunction

public FindPotentialCompactionsFunction(org.apache.hadoop.conf.Configuration conf,
                                        int abortedThreshold,
                                        long abortedTimeThreshold,
                                        long lastChecked)

Method Detail

execute

public Set<CompactionInfo> execute(MultiDataSourceJdbcResource jdbcResource)
                            throws MetaException

Description copied from interface: TransactionalFunction

Implementations typically should execute transsactional database calls inside.

Specified by:

execute in interface TransactionalFunction<Set<CompactionInfo>>

Parameters:

jdbcResource - A MultiDataSourceJdbcResource instance responsible for providing all the necessary resources to be able to perform transactional database calls.

Returns:

Returns with the result of the function call.

Throws:

MetaException - Thrown in case of application error within the function