org.apache.ignite.cache.query

Class Query<R>

java.lang.Object

org.apache.ignite.cache.query.Query<R>

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AbstractContinuousQuery, ScanQuery, SpiQuery, SqlFieldsQuery, SqlQuery, TextQuery

public abstract class Query<R>
extends Object
implements Serializable

Base class for all Ignite cache queries. Use SqlQuery and TextQuery for SQL and text queries accordingly.

See Also:

IgniteCache.query(Query), Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	DFLT_PAGE_SIZE Default query page size.

Method Summary

Modifier and Type	Method and Description
int	getPageSize() Gets optional page size, if 0, then default is used.
boolean	isLocal() Returns true if this query should be executed on local node only.
protected int[]	prepare(int[] parts) Prepares the partitions.
Query<R>	setLocal(boolean loc) Sets whether this query should be executed on local node only.
Query<R>	setPageSize(int pageSize) Sets optional page size, if 0, then default is used.
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

Default query page size.

See Also:

Constant Field Values

Method Detail

getPageSize

public int getPageSize()

Gets optional page size, if 0, then default is used.

Returns:

Optional page size.

setPageSize

public Query<R> setPageSize(int pageSize)

Sets optional page size, if 0, then default is used.

Parameters:

pageSize - Optional page size.

Returns:

this for chaining.

isLocal

public boolean isLocal()

Returns true if this query should be executed on local node only.

Returns:

Local flag.

setLocal

public Query<R> setLocal(boolean loc)

Sets whether this query should be executed on local node only.

Parameters:

loc - Local flag.

Returns:

this for chaining.

prepare

protected int[] prepare(int[] parts)

Prepares the partitions.

Parameters:

parts - Partitions.

toString

public String toString()

Overrides:

toString in class Object