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Visualizing Enterprise Data in JavaFX
/**
* Copyright (c) 2011, 2013, Jonathan Giles, Johan Vos, Hendrik Ebbers
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of DataFX, the website javafxdata.org, nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package io.datafx.controller.context;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
/**
* Abstract base class for all context classes. See {@link ApplicationContext}
* for more informations.
*
* @author hendrikebbers
*/
public class AbstractContext {
private String id = UUID.randomUUID().toString();
private Map registeredObjects;
public AbstractContext() {
registeredObjects = new HashMap();
}
/**
* Returns the unique id of this context
*
* @return unique id
*/
public String getId() {
return id;
}
/**
* Register a object to the context by using a key
*
* @param key the key
* @param value the object
*/
public void register(String key, Object value) {
registeredObjects.put(key, value);
}
/**
* Returns a registered object that is registered in the context with the
* given key
*
* @param key the key
* @return the registered object
*/
public Object getRegisteredObject(String key) {
return registeredObjects.get(key);
}
/**
* Returns a registered object that is registered by its' class
*
* @param cls the class of the object
* @return the object
*/
@SuppressWarnings("unchecked")
public T getRegisteredObject(Class cls) {
return (T) getRegisteredObject(cls.toString());
}
public void register(Object value) {
register(value.getClass().toString(), value);
}
public void register(T value, Class asClass) {
register(asClass.toString(), value);
}
@Override
public String toString() {
final StringBuffer sb = new StringBuffer("AbstractContext{");
sb.append("id='").append(id).append('\'');
sb.append(", registeredObjects=").append(registeredObjects);
sb.append('}');
return sb.toString();
}
}