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/*
* ============LICENSE_START=======================================================
* policy-management
* ================================================================================
* Copyright (C) 2017-2019 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.persistence;
import java.nio.file.Path;
import java.util.List;
import java.util.Properties;
/**
* System Configuration.
*/
public interface SystemPersistence {
/**
* configuration directory.
*/
String DEFAULT_CONFIGURATION_DIR = "config";
/**
* Persistence Manager. For now it is a file-based properties management, In the future, it will
* probably be DB based, so manager implementation will change.
*/
SystemPersistence manager = new FileSystemPersistence();
/**
* sets a configuration directory and ensures it exists.
*
* @param configDir configuration directory or null to use the default one
*/
void setConfigurationDir(String configDir);
/**
* sets the default configuration directory and ensures it exists.
*/
void setConfigurationDir();
/**
* get configuration directory path.
*
* @return configuration directory path
*/
Path getConfigurationPath();
/**
* backs up a controller configuration.
*
* @param controllerName the controller name
* @return true if the configuration is backed up
*/
boolean backupController(String controllerName);
/**
* persists controller configuration.
*
* @param controllerName the controller name
* @param configuration object containing the configuration
*
* @return true if storage is succesful, false otherwise
* @throws IllegalArgumentException if the configuration cannot be handled by the persistence
* manager
*/
boolean storeController(String controllerName, Object configuration);
/**
* delete controller configuration.
*
* @param controllerName the controller name
* @return true if storage is succesful, false otherwise
*/
boolean deleteController(String controllerName);
/**
* get controller properties.
*
* @param controllerName controller name
* @return properties for this controller
*
* @throws IllegalArgumentException if the controller name does not lead to a properties
* configuration
*/
Properties getControllerProperties(String controllerName);
/**
* get controllers configuration.
*
* @return list of controllers properties
*/
List<Properties> getControllerProperties();
/**
* get environments.
*
*/
List<Properties> getEnvironmentProperties();
/**
* get environment properties.
*
* @param environmentName name
*/
Properties getEnvironmentProperties(String environmentName);
/**
* get the engine properties.
*
* @return the engine properties
*/
Properties getEngineProperties();
/**
* get properties by name.
*
* @param name name
* @return properties
*
* @throws IllegalArgumentException if the name does not lead to a properties configuration
*/
Properties getProperties(String name);
/**
* get system properties configuration.
*
* @param name name
* @return properties
*/
Properties getSystemProperties(String name);
/**
* get system properties configuration list.
*
* @return list of system properties
*/
List<Properties> getSystemProperties();
}
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