package org.ff4j.property.store;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import org.ff4j.property.Property;
/*
* #%L
* ff4j-core
* %%
* Copyright (C) 2013 - 2015 Ff4J
* %%
* 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.
* #L%
*/
/**
* CRUD repository to perform operation on properties.
*
* @author Cedrick Lunven (@clunven)
*/
public interface PropertyStore {
/**
* Check existence of target property.
*
* @param name
* target name
* @return
* if the property exist
*/
boolean existProperty(String name);
/**
* Create new property within store.
*
* @param value
* target value
*/
<T> void createProperty(Property<T> value);
/**
* Read property value.
*
* @param name
* target property name
* @return
* property of exist
*/
Property<?> readProperty(String name);
/**
* Read property value and if not found return the default value
*
* @param name
* target property name
* @return
* property of exist
*/
Property<?> readProperty(String name, Property < ? > defaultValue);
/**
* Update existing property.
*
* @param name
* target name
* @param newValue
* new value
*/
void updateProperty(String name, String newValue);
/**
* Update existing property.
*
* @param name
* target name
* @param newValue
* new value
*/
<T> void updateProperty(Property<T> fixedValue);
/**
* Delete current property.
*
* @param name
* target name
*/
void deleteProperty(String name);
/**
* Retrieve all properties from store.
*
* @return
* all properties from store
*/
Map<String, Property<?> > readAllProperties();
/**
* List all property names.
*
* @return
*/
Set < String > listPropertyNames();
/**
* Tell if a store is empty
*
* @return
* target store
*/
boolean isEmpty();
/**
* Empty current property store.
*
*/
void clear();
/**
* Import a set of properties.
*
* @param properties
* a set of properties
*/
void importProperties(Collection<Property<?>> properties);
/**
* Initialize target database with expected schema if needed.
*/
void createSchema();
}