Package org.apache.ignite.internal.processors.query

Class QuerySchema

java.lang.Object

org.apache.ignite.internal.processors.query.QuerySchema

All Implemented Interfaces:

Serializable

public class QuerySchema
extends Object
implements Serializable

Dynamic cache schema.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
QuerySchema()	Default constructor.
QuerySchema(Collection<QueryEntity> entities)	Constructor.

Method Summary

Modifier and Type	Method	Description
boolean	applyPatch(QuerySchemaPatch patch)	Apply query schema patch for changing this schema.
QuerySchema	copy()	Copy object.
Collection<QueryEntity>	entities()
void	finish(SchemaFinishDiscoveryMessage msg)	Process finish message.
void	finish(SchemaAbstractOperation op)	Process operation.
boolean	isEmpty()
QuerySchemaPatch	makePatch(Collection<QueryEntity> target)	Make query schema patch.
QuerySchemaPatch	makePatch(CacheConfiguration<?,?> targetCfg, Collection<QueryEntity> target)	Make query schema patch.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

QuerySchema

public QuerySchema()

Default constructor.

QuerySchema

public QuerySchema(Collection<QueryEntity> entities)

Constructor.

Parameters:

entities - Query entities.

Method Detail

copy

public QuerySchema copy()

Copy object.

Returns:

Copy.

makePatch

public QuerySchemaPatch makePatch(Collection<QueryEntity> target)

Make query schema patch.

Parameters:

target - Query entity list to which current schema should be expanded.

Returns:

Patch to achieve entity which is a result of merging current one and target.

See Also:

QuerySchemaPatch

makePatch

public QuerySchemaPatch makePatch(CacheConfiguration<?,?> targetCfg,
                                  Collection<QueryEntity> target)

Make query schema patch.

Parameters:

targetCfg - Cache configuration when it should be changed (enabling indexing dynamically).

target - Query entity list to which current schema should be expanded.

Returns:

Patch to achieve entity which is a result of merging current one and target.

See Also:

QuerySchemaPatch

applyPatch

public boolean applyPatch(QuerySchemaPatch patch)

Apply query schema patch for changing this schema.

Parameters:

patch - Patch to apply.

Returns:

true if applying was success and false otherwise.

finish

public void finish(SchemaFinishDiscoveryMessage msg)

Process finish message.

Parameters:

msg - Message.

finish

public void finish(SchemaAbstractOperation op)

Process operation.

Parameters:

op - Operation for handle.

entities

public Collection<QueryEntity> entities()

Returns:

Query entities.

isEmpty

public boolean isEmpty()

Returns:

True if entities is not empty.

toString

public String toString()

Overrides:

toString in class Object