org.neo4j.ogm.session.request.strategy.impl

Class CountStatements

java.lang.Object

org.neo4j.ogm.session.request.strategy.impl.CountStatements

All Implemented Interfaces:

AggregateStatements

public class CountStatements
extends Object
implements AggregateStatements

Encapsulates Cypher statements used to execute aggregation queries.

Author:

Adam George, Vince Bickers, Jasper Blues, Michael J. Simons

Constructor Summary

Constructors

Constructor and Description
CountStatements()

Method Summary

Modifier and Type	Method and Description
CypherQuery	countEdges(String type, Iterable<Filter> filters) construct queries to count all relationships with the specified type that match the specified filters
CypherQuery	countEdges(String startLabel, String type, String endLabel) construct queries to count all single-length paths with the specified start label, relationship type and end label that match the specified filters
CypherQuery	countNodes(Iterable<String> labels) construct queries to count all nodes with the specified label
CypherQuery	countNodes(String label, Iterable<Filter> filters) construct queries to count all nodes with the specified label that match the specified filters

Methods inherited from class java.lang.Object

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

Constructor Detail

CountStatements

public CountStatements()

Method Detail

countNodes

public CypherQuery countNodes(Iterable<String> labels)

Description copied from interface: AggregateStatements

construct queries to count all nodes with the specified label

Specified by:

countNodes in interface AggregateStatements

Parameters:

labels - the labels attached to the object

Returns:

a CypherQuery

countNodes

public CypherQuery countNodes(String label,
                              Iterable<Filter> filters)

Description copied from interface: AggregateStatements

construct queries to count all nodes with the specified label that match the specified filters

Specified by:

countNodes in interface AggregateStatements

Parameters:

label - the label value to filter on

filters - additional parameters to filter on

Returns:

a CypherQuery

countEdges

public CypherQuery countEdges(String type,
                              Iterable<Filter> filters)

Description copied from interface: AggregateStatements

construct queries to count all relationships with the specified type that match the specified filters

Specified by:

countEdges in interface AggregateStatements

Parameters:

type - the relationship type to filter on

filters - additional parameters to filter on

Returns:

a CypherQuery

countEdges

public CypherQuery countEdges(String startLabel,
                              String type,
                              String endLabel)

Description copied from interface: AggregateStatements

construct queries to count all single-length paths with the specified start label, relationship type and end label that match the specified filters

Specified by:

countEdges in interface AggregateStatements

Parameters:

startLabel - the start node label to filter on

type - the type of relationship to filter on

endLabel - the end node label to filter on

Returns:

a CypherQuery