com.datastax.dse.driver.api.core.graph.predicates.CqlCollection Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
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package com.datastax.dse.driver.api.core.graph.predicates;
import com.datastax.dse.driver.internal.core.graph.CqlCollectionPredicate;
import java.util.Collection;
import java.util.Map;
import org.apache.tinkerpop.gremlin.process.traversal.P;
import org.javatuples.Pair;
/**
* Predicates that can be used on CQL collections (lists, sets and maps).
*
* Note: CQL collection predicates are only available when using the binary subprotocol.
*/
public class CqlCollection {
/**
* Checks if the target collection contains the given value.
*
* @param value the value to look for; cannot be {@code null}.
* @return a predicate to apply in a {@link
* org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal}.
*/
@SuppressWarnings("unchecked")
public static , V> P contains(V value) {
return new P(CqlCollectionPredicate.contains, value);
}
/**
* Checks if the target map contains the given key.
*
* @param key the key to look for; cannot be {@code null}.
* @return a predicate to apply in a {@link
* org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal}.
*/
@SuppressWarnings("unchecked")
public static , K> P containsKey(K key) {
return new P(CqlCollectionPredicate.containsKey, key);
}
/**
* Checks if the target map contains the given value.
*
* @param value the value to look for; cannot be {@code null}.
* @return a predicate to apply in a {@link
* org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal}.
*/
@SuppressWarnings("unchecked")
public static , V> P containsValue(V value) {
return new P(CqlCollectionPredicate.containsValue, value);
}
/**
* Checks if the target map contains the given entry.
*
* @param key the key to look for; cannot be {@code null}.
* @param value the value to look for; cannot be {@code null}.
* @return a predicate to apply in a {@link
* org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal}.
*/
@SuppressWarnings("unchecked")
public static , K, V> P entryEq(K key, V value) {
return new P(CqlCollectionPredicate.entryEq, new Pair<>(key, value));
}
}