com.datastax.dse.driver.api.core.graph.predicates

Class CqlCollection

java.lang.Object

com.datastax.dse.driver.api.core.graph.predicates.CqlCollection

public class CqlCollection
extends Object

Predicates that can be used on CQL collections (lists, sets and maps).

Note: CQL collection predicates are only available when using the binary subprotocol.

Constructor Summary

Constructors

Constructor and Description
CqlCollection()

Method Summary

Modifier and Type	Method and Description
static <C extends Collection<V>,V> org.apache.tinkerpop.gremlin.process.traversal.P<C>	contains(V value) Checks if the target collection contains the given value.
static <M extends Map<K,?>,K> org.apache.tinkerpop.gremlin.process.traversal.P<M>	containsKey(K key) Checks if the target map contains the given key.
static <M extends Map<?,V>,V> org.apache.tinkerpop.gremlin.process.traversal.P<M>	containsValue(V value) Checks if the target map contains the given value.
static <M extends Map<K,V>,K,V> org.apache.tinkerpop.gremlin.process.traversal.P<M>	entryEq(K key, V value) Checks if the target map contains the given entry.

Methods inherited from class java.lang.Object

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

Constructor Detail

CqlCollection

public CqlCollection()

Method Detail

contains

public static <C extends Collection<V>,V> org.apache.tinkerpop.gremlin.process.traversal.P<C> contains(V value)

Checks if the target collection contains the given value.

Parameters:

value - the value to look for; cannot be null.

Returns:

a predicate to apply in a GraphTraversal.

containsKey

public static <M extends Map<K,?>,K> org.apache.tinkerpop.gremlin.process.traversal.P<M> containsKey(K key)

Checks if the target map contains the given key.

Parameters:

key - the key to look for; cannot be null.

Returns:

a predicate to apply in a GraphTraversal.

containsValue

public static <M extends Map<?,V>,V> org.apache.tinkerpop.gremlin.process.traversal.P<M> containsValue(V value)

Checks if the target map contains the given value.

Parameters:

value - the value to look for; cannot be null.

Returns:

a predicate to apply in a GraphTraversal.

entryEq

public static <M extends Map<K,V>,K,V> org.apache.tinkerpop.gremlin.process.traversal.P<M> entryEq(K key,
                                                                                                   V value)

Checks if the target map contains the given entry.

Parameters:

key - the key to look for; cannot be null.

value - the value to look for; cannot be null.

Returns:

a predicate to apply in a GraphTraversal.