2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
4 * Modifications Copyright (C) 2020 Nordix Foundation.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.apex.core.infrastructure.messaging.stringmessaging;
24 import org.onap.policy.apex.core.infrastructure.messaging.MessagingException;
27 * This interface is used to call a String Web socket message server or client to send a string.
29 * @author Liam Fallon (liam.fallon@ericsson.com)
31 public interface WsStringMessager {
34 * Start the string message sender.
36 * @param wsStringMessageListener the listener to use for listening for string messages
37 * @throws MessagingException the messaging exception
39 void start(WsStringMessageListener wsStringMessageListener) throws MessagingException;
42 * Stop the string messaging sender.
47 * Send a string on a web socket.
49 * @param stringMessage the string message to send
51 void sendString(String stringMessage);
54 * Check if the string messager is started.