/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.geode.cache.query.types;
/**
* Represents the type of a Map, a collection that contains keys as well as values and maintains an
* association between key-value pairs. The type of the keys is obtained from the getKeyType method,
* and the type of the values is obtained from the getElementType method.
*
* @since GemFire 4.0
*/
public interface MapType extends CollectionType {
/**
* Return the type of the keys in this type of map.
*
* @return the ObjectType of the keys in this type of map.
*/
public ObjectType getKeyType();
/**
* Return the type of the entries in this map. In the context of the query language, the entries
* in a map are structs with key and value fields.
*/
public StructType getEntryType();
}