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/*
* 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.tuscany.sca.osgi.service.discovery.impl;
/**
* Every Discovery Provider registers a service implementing this interface.
* This service is registered with extra properties identified at the beginning
* of this interface to denote the name of the product providing Discovery
* functionality, its version, vendor, used protocols etc..
* <p>
* Discovery allows to publish services exposed for remote access as well as to
* search for remote services.
* <p>
* Discovery service implementations usually rely on some discovery protocols or
* other information distribution means.
*
* @ThreadSafe
*/
public interface Discovery {
/**
* ServiceRegistration property for the name of the Discovery product.
* <p>
* Value of this property is of type <code>String</code>.
*/
String PRODUCT_NAME = "osgi.remote.discovery.product";
/**
* ServiceRegistration property for the version of the Discovery product.
* <p>
* Value of this property is of type <code>String</code>.
*/
String PRODUCT_VERSION = "osgi.remote.discovery.product.version";
/**
* ServiceRegistration property for the Discovery product vendor name.
* <p>
* Value of this property is of type <code>String</code>.
*/
String VENDOR_NAME = "osgi.remote.discovery.vendor";
/**
* ServiceRegistration property that lists the discovery protocols used by
* this Discovery service.
* <p>
* Value of this property is of type
* <code>Collection (<? extends String>)</code>.
*/
String SUPPORTED_PROTOCOLS = "osgi.remote.discovery.supported_protocols";
}
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