reactor.bus.selector.Selector Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2014 Pivotal Software, Inc.
*
* 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
*
* 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 reactor.bus.selector;
/**
* A {@literal Selector} is a wrapper around an arbitrary object.
*
* @author Jon Brisbin
* @author Stephane Maldini
* @author Andy Wilkinson
*/
public interface Selector {
/**
* Get the object being used for comparisons and equals checks.
*
* @return The internal object.
*/
Object getObject();
/**
* Indicates whether this Selector matches the {@code key}.
*
* @param key The key to match
*
* @return {@code true} if there's a match, otherwise {@code false}.
*/
boolean matches(T key);
/**
* Return a component that can resolve headers from a key
*
* @return A {@link HeaderResolver} applicable to this {@link Selector} type.
*/
HeaderResolver getHeaderResolver();
}