org.springframework.data.neo4j.repository.query

Class DerivedCypherRepositoryQuery

java.lang.Object

org.springframework.data.neo4j.repository.query.DerivedCypherRepositoryQuery

All Implemented Interfaces:

ParameterResolver, RepositoryQuery

public class DerivedCypherRepositoryQuery
extends Object

RepositoryQuery implementation that derives a Cypher query from the GraphQueryMethod's method name.

Author:

Oliver Gierke

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	log
protected Neo4jTemplate	template

Constructor Summary

Constructors

Constructor and Description
DerivedCypherRepositoryQuery(Neo4jMappingContext mappingContext, GraphQueryMethod queryMethod, Neo4jTemplate template) Creates a new DerivedCypherRepositoryQuery from the given MappingContext, GraphQueryMethod and Neo4jTemplate.

Method Summary

Modifier and Type	Method and Description
protected Object	createPage(Iterable<?> result, Pageable pageable, Long count, boolean isPageQuery)
protected String	createQueryWithPagingAndSorting(ParameterAccessor accessor) Returns the actual Cypher query applying Pageable or Sort instances.
protected Object	dispatchQuery(String queryString, Map<String,Object> params, ParameterAccessor accessor)
Object	execute(Object[] parameters)
protected CypherQueryEngine	getQueryEngine()
GraphQueryMethod	getQueryMethod()
protected Neo4jTemplate	getTemplate()
Map<Parameter,Object>	resolveParameters(Map<Parameter,Object> parameters)
protected Map<String,Object>	resolveParams(ParameterAccessor accessor)

Methods inherited from class java.lang.Object

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

Field Detail

log

public static final org.slf4j.Logger log

template

protected final Neo4jTemplate template

Constructor Detail

DerivedCypherRepositoryQuery

public DerivedCypherRepositoryQuery(Neo4jMappingContext mappingContext,
                                    GraphQueryMethod queryMethod,
                                    Neo4jTemplate template)

Creates a new DerivedCypherRepositoryQuery from the given MappingContext, GraphQueryMethod and Neo4jTemplate.

Parameters:

mappingContext - must not be null.

queryMethod - must not be null.

template - must not be null.

Method Detail

resolveParameters

public Map<Parameter,Object> resolveParameters(Map<Parameter,Object> parameters)

Specified by:

resolveParameters in interface ParameterResolver

createQueryWithPagingAndSorting

protected String createQueryWithPagingAndSorting(ParameterAccessor accessor)

Returns the actual Cypher query applying Pageable or Sort instances.

Parameters:

accessor - parameters

Returns:

query string

getQueryEngine

protected CypherQueryEngine getQueryEngine()

getTemplate

protected Neo4jTemplate getTemplate()

execute

public Object execute(Object[] parameters)

Specified by:

execute in interface RepositoryQuery

resolveParams

protected Map<String,Object> resolveParams(ParameterAccessor accessor)

dispatchQuery

protected Object dispatchQuery(String queryString,
                               Map<String,Object> params,
                               ParameterAccessor accessor)

getQueryMethod

public GraphQueryMethod getQueryMethod()

Specified by:

getQueryMethod in interface RepositoryQuery

createPage

protected Object createPage(Iterable<?> result,
                            Pageable pageable,
                            Long count,
                            boolean isPageQuery)