org.verdictdb.core.scrambling

Class ScramblingNode

java.lang.Object

org.verdictdb.core.querying.ExecutableNodeBase

org.verdictdb.core.querying.QueryNodeBase

org.verdictdb.core.querying.QueryNodeWithPlaceHolders

org.verdictdb.core.scrambling.CreateScrambledTableNode

org.verdictdb.core.scrambling.ScramblingNode

All Implemented Interfaces:

Serializable, ExecutableNode

public class ScramblingNode
extends CreateScrambledTableNode

The last stage of scramling process: creates a new table based on some statistics.

Author:

Yongjoo Park

See Also:

Serialized Form

Field Summary

Fields inherited from class org.verdictdb.core.scrambling.CreateScrambledTableNode

blockColumnName, method, originalSchemaName, originalTableName, tierColumnName

Fields inherited from class org.verdictdb.core.querying.QueryNodeBase

selectQuery

Constructor Summary

Constructors

Constructor and Description
ScramblingNode(IdCreator namer, String originalSchemaName, String originalTableName, ScramblingMethod method, String tierColumnName, String blockColumnName)

Method Summary

Modifier and Type	Method and Description
static ScramblingNode	create(String newSchemaName, String newTableName, String oldSchemaName, String oldTableName, ScramblingMethod method, Map<String,String> options)
SqlConvertible	createQuery(List<ExecutionInfoToken> tokens) Creates a query that should be run.
ExecutionInfoToken	createToken(DbmsQueryResult result)

Methods inherited from class org.verdictdb.core.scrambling.CreateScrambledTableNode

addPartitionColumn, create, deepcopy, getNamer, setNamer

Methods inherited from class org.verdictdb.core.querying.QueryNodeWithPlaceHolders

copyFields, createPlaceHolderTable, getPlaceholderTables, getPlaceholderTablesinFilter

Methods inherited from class org.verdictdb.core.querying.QueryNodeBase

copyFields, equals, getSelectQuery, setSelectQuery

Methods inherited from class org.verdictdb.core.querying.ExecutableNodeBase

cancelSubscriptionsFromAllSubscribers, cancelSubscriptionTo, copyFields, create, createSubscriptionTicket, getAggMeta, getChannelForSource, getDependentNodeCount, getExecutableNodeBaseDependent, getExecutableNodeBaseDependents, getExecutableNodeBaseParents, getGroupId, getMethodsToInvokeOnConnection, getNotified, getSourceQueues, getSources, getSourcesAndChannels, getSubscribers, hashCode, print, registerSubscriber, setAggMeta, subscribeTo, subscribeTo, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ScramblingNode

public ScramblingNode(IdCreator namer,
                      String originalSchemaName,
                      String originalTableName,
                      ScramblingMethod method,
                      String tierColumnName,
                      String blockColumnName)

Method Detail

create

public static ScramblingNode create(String newSchemaName,
                                    String newTableName,
                                    String oldSchemaName,
                                    String oldTableName,
                                    ScramblingMethod method,
                                    Map<String,String> options)

Parameters:

newSchemaName -

newTableName -

oldSchemaName -

oldTableName -

method -

options - Key-value map. It must contain the following keys: "blockColumnName", "tierColumnName"

Returns:

createQuery

public SqlConvertible createQuery(List<ExecutionInfoToken> tokens)
                           throws VerdictDBException

Description copied from interface: ExecutableNode

Creates a query that should be run. Its result will be handed to createToken().

Specified by:

createQuery in interface ExecutableNode

Overrides:

createQuery in class CreateScrambledTableNode

Returns:

Throws:

VerdictDBException

createToken

public ExecutionInfoToken createToken(DbmsQueryResult result)

Specified by:

createToken in interface ExecutableNode

Overrides:

createToken in class CreateScrambledTableNode