Class SpelQueryEngine

java.lang.Object

org.springframework.data.keyvalue.core.QueryEngine<KeyValueAdapter, SpelCriteria, Comparator<?>>

org.springframework.data.keyvalue.core.SpelQueryEngine

public class SpelQueryEngine
extends QueryEngine<KeyValueAdapter, SpelCriteria, Comparator<?>>

QueryEngine implementation specific for executing SpelExpression based KeyValueQuery against KeyValueAdapter.

Author:

Christoph Strobl, Oliver Gierke, Mark Paluch

Constructor Summary

Constructors

Constructor	Description
SpelQueryEngine()	Creates a new SpelQueryEngine.
SpelQueryEngine(SortAccessor<Comparator<?>> sortAccessor)	Creates a new query engine using provided accessor for sorting results.

Method Summary

Modifier and Type	Method	Description
long	count(@Nullable SpelCriteria criteria, String keyspace)
Collection<?>	execute(@Nullable SpelCriteria criteria, @Nullable Comparator<?> sort, long offset, int rows, String keyspace)

Methods inherited from class QueryEngine

count, execute, execute, execute, getAdapter, getRequiredAdapter, registerAdapter

Methods inherited from class Object

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

Constructor Details

SpelQueryEngine

public SpelQueryEngine()

Creates a new SpelQueryEngine.

SpelQueryEngine

public SpelQueryEngine(SortAccessor<Comparator<?>> sortAccessor)

Creates a new query engine using provided accessor for sorting results.

Since:

3.1.10

Method Details

execute

public Collection<?> execute(@Nullable SpelCriteria criteria,
 @Nullable Comparator<?> sort,
 long offset,
 int rows,
 String keyspace)

Specified by:

execute in class QueryEngine<KeyValueAdapter, SpelCriteria, Comparator<?>>

Parameters:

criteria -

sort -

offset -

rows -

keyspace -

Returns:

count

public long count(@Nullable SpelCriteria criteria,
 String keyspace)

Specified by:

count in class QueryEngine<KeyValueAdapter, SpelCriteria, Comparator<?>>

Parameters:

criteria -

keyspace -

Returns: