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/*
* RED5 Open Source Media Server - https://github.com/Red5/
*
* Copyright 2006-2016 by respective authors (see below). All rights reserved.
*
* 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 org.red5.server.api.so;
import java.util.Set;
import org.red5.server.api.scope.IScope;
import org.red5.server.api.scope.IScopeService;
/**
* Service that manages shared objects for given scope.
*
*/
public interface ISharedObjectService extends IScopeService {
public static String BEAN_NAME = "sharedObjectService";
/**
* Get a set of the shared object names.
*
* @param scope
* the scope to return the shared object names from
* @return set containing the shared object names
*/
public Set getSharedObjectNames(IScope scope);
/**
* Create a new shared object.
*
* @param scope
* the scope to create the shared object in
* @param name
* the name of the shared object
* @param persistent
* will the shared object be persistent
* @return
* true
*
*
* if the shared object was created or already exists, otherwise
*
*
* false
*
*/
public boolean createSharedObject(IScope scope, String name, boolean persistent);
/**
* Get a shared object by name.
*
* @param scope
* the scope to get the shared object from
* @param name
* the name of the shared object
* @return shared object, or
*
*
* null
*
*
* if not found
*/
public ISharedObject getSharedObject(IScope scope, String name);
/**
* Get a shared object by name and create it if it doesn't exist.
*
* @param scope
* the scope to get the shared object from
* @param name
* the name of the shared object
* @param persistent
* should the shared object be created persistent
* @return the shared object
*/
public ISharedObject getSharedObject(IScope scope, String name, boolean persistent);
/**
* Check if a shared object exists.
*
* @param scope
* the scope to check for the shared object
* @param name
* the name of the shared object
* @return
* true
*
*
* if the shared object exists, otherwise
*
*
* false
*
*/
public boolean hasSharedObject(IScope scope, String name);
/**
*
* Deletes persistent shared objects specified by name and clears all properties from active shared objects (persistent and nonpersistent). The name parameter specifies the name of a shared object, which can include a slash (/) as a delimiter between directories in the path. The last element in the path can contain wildcard patterns (for example, a question mark [?] and an asterisk [*]) or a shared object name.
* The clearSharedObjects() method traverses the shared object hierarchy along the specified path and clears all the shared objects. Specifying a slash (/) clears all the shared objects associated with an application instance.
*
*
* The following values are possible for the soPath parameter:
* / clears all local and persistent shared objects associated with the instance.
* /foo/bar clears the shared object /foo/bar; if bar is a directory name, no shared objects are deleted.
* /foo/bar/* clears all shared objects stored under the instance directory /foo/bar. The bar directory is also deleted if no persistent shared objects are in use within this namespace.
* /foo/bar/XX?? clears all shared objects that begin with XX, followed by any two characters. If a directory name matches this specification, all the shared objects within this directory are cleared.
*
*
* If you call the clearSharedObjects() method and the specified path matches a shared object that is currently active, all its properties are deleted, and a "clear" event is sent to all subscribers of the shared object. If it is a persistent shared object, the persistent store is also cleared.
*
*
*
* @param scope
* the scope to check for the shared object
* @param name
* the name of the shared object
* @return true if the shared object at the specified path was deleted; otherwise, false. If using wildcard characters to delete multiple files, the method returns true only if all the shared objects matching the wildcard pattern were successfully deleted; otherwise, it will return false.
*/
public boolean clearSharedObjects(IScope scope, String name);
}