org.springframework.amqp.utils.MapBuilder Maven / Gradle / Ivy
/*
* Copyright 2016-2019 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.amqp.utils;
import java.util.HashMap;
import java.util.Map;
/**
* A {@code Builder} pattern implementation for a {@link Map}.
* @param the builder type.
* @param the key type.
* @param the value type.
* @author Artem Bilan
* @author Gary Russell
* @since 2.0
*/
public class MapBuilder, K, V> {
private final Map map = new HashMap();
public B put(K key, V value) {
this.map.put(key, value);
return _this();
}
public Map get() {
return this.map;
}
@SuppressWarnings("unchecked")
protected final B _this() { // NOSONAR underscore
return (B) this;
}
}