com.netflix.config.Property Maven / Gradle / Ivy
/*
*
* Copyright 2014 Netflix, Inc.
*
* 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 com.netflix.config;
/**
* Base interface for Archaius properties. Provides common methods across all
* property implementations.
*
* @param The value type of the property
*/
public interface Property {
/**
* Get the latest value for the given property
*
* @return the latest property value
*/
T getValue();
/**
* Get the default property value specified at creation time
*
* @return the default property value
*/
T getDefaultValue();
/**
* Get the name of the property
*
* @return the property name
*/
String getName();
/**
* Gets the time (in milliseconds past the epoch) when the property was last
* set/changed.
*/
long getChangedTimestamp();
/**
* Add the callback to be triggered when the value of the property is
* changed
*
* @param callback
*/
void addCallback(Runnable callback);
/**
* remove all callbacks registered through the instance of property
*/
void removeAllCallbacks();
}