Module dev.metaschema.core

Package dev.metaschema.core.metapath.function.library

Class MapContains

java.lang.Object

dev.metaschema.core.metapath.function.library.MapContains

public final class MapContains
extends Object

Implements the XPath 3.1 map:contains function.

Method Summary

Modifier and Type	Method	Description
static <V extends ICollectionValue> boolean	contains(IMapItem<V> map, IAnyAtomicItem key)	An implementation of XPath 3.1 map:contains.

Methods inherited from class java.lang.Object

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

Method Details

contains

public static <V extends ICollectionValue> boolean contains(@NonNull
 IMapItem<V> map,
 @NonNull
 IAnyAtomicItem key)

An implementation of XPath 3.1 map:contains.

Type Parameters:

V - the type of items in the given Metapath map

Parameters:

map - the map of Metapath items that is the target of retrieval

key - the key for the item to retrieve

Returns:

true if the key exists in the map, or false otherwise