org.apache.ignite.internal.processors.cache.query

Class GridCacheTwoStepQuery

java.lang.Object

org.apache.ignite.internal.processors.cache.query.GridCacheTwoStepQuery

public class GridCacheTwoStepQuery
extends Object

Two step map-reduce style query.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DFLT_PAGE_SIZE

Constructor Summary

Constructors

Constructor and Description
GridCacheTwoStepQuery(String qry, Object... params)

Method Summary

Methods

Modifier and Type	Method and Description
void	addMapQuery(String alias, String qry, Object... params)
boolean	explain()
void	explain(boolean explain)
Collection<GridCacheSqlQuery>	mapQueries()
int	pageSize()
void	pageSize(int pageSize)
GridCacheSqlQuery	reduceQuery()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DFLT_PAGE_SIZE

public static final int DFLT_PAGE_SIZE

See Also:

Constant Field Values

Constructor Detail

GridCacheTwoStepQuery

public GridCacheTwoStepQuery(String qry,
                     Object... params)

Parameters:

qry - Reduce query.

params - Reduce query parameters.

Method Detail

explain

public boolean explain()

Returns:

If this is explain query.

explain

public void explain(boolean explain)

Parameters:

explain - If this is explain query.

pageSize

public void pageSize(int pageSize)

Parameters:

pageSize - Page size.

pageSize

public int pageSize()

Returns:

Page size.

addMapQuery

public void addMapQuery(String alias,
               String qry,
               Object... params)

Parameters:

alias - Alias.

qry - SQL Query.

params - Query parameters.

reduceQuery

public GridCacheSqlQuery reduceQuery()

Returns:

Reduce query.

mapQueries

public Collection<GridCacheSqlQuery> mapQueries()

Returns:

Map queries.

toString

public String toString()

Overrides:

toString in class Object