org.springframework.messaging.simp.user.SimpUser.java Source code

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Here is the source code for org.springframework.messaging.simp.user.SimpUser.java

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/*
 * Copyright 2002-2017 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.messaging.simp.user;

import java.util.Set;

import org.springframework.lang.Nullable;

/**
 * Represents a connected user.
 *
 * @author Rossen Stoyanchev
 * @since 4.2
 */
public interface SimpUser {

    /**
     * The unique user name.
     */
    String getName();

    /**
     * Whether the user has any sessions.
     */
    boolean hasSessions();

    /**
     * Look up the session for the given id.
     * @param sessionId the session id
     * @return the matching session, or {@code null} if none found
     */
    @Nullable
    SimpSession getSession(String sessionId);

    /**
     * Return the sessions for the user.
     * The returned set is a copy and will never be modified.
     * @return a set of session ids, or an empty set if none
     */
    Set<SimpSession> getSessions();

}