/**
* Copyright (C) 2010 cedarsoft GmbH.
*
* Licensed under the GNU General Public License version 3 (the "License")
* with Classpath Exception; you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.cedarsoft.org/gpl3ce.txt
* (GPL 3 with Classpath Exception)
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3 only, as
* published by the Free Software Foundation. cedarsoft GmbH designates this
* particular file as subject to the "Classpath" exception as provided
* by cedarsoft GmbH in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 3 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 3 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact cedarsoft GmbH, 72810 Gomaringen, Germany,
* or visit www.cedarsoft.com if you need additional information or
* have any questions.
*/
package com.cedarsoft;
import com.cedarsoft.properties.PropertiesPath;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* Event that represents the change of something
*/
public class ChangedEvent<T> {
@NotNull
private final T changedObject;
@NotNull
private final PropertiesPath propertiesPath;
@Nullable
private final Object context;
public ChangedEvent( @NotNull T changedObject, @Nullable Object context, @NonNls @NotNull String... propertiesPath ) {
if ( propertiesPath.length == 0 ) {
throw new IllegalArgumentException( "Empty properties path" );
}
this.changedObject = changedObject;
this.context = context;
this.propertiesPath = new PropertiesPath( propertiesPath );
}
@NotNull
public PropertiesPath getPropertiesPath() {
return propertiesPath;
}
/**
* The context object
*
* @return the context object
*/
@Nullable
public Object getContext() {
return context;
}
/**
* The changed object
*
* @return the changed object
*/
@NotNull
public T getChangedObject() {
return changedObject;
}
@Deprecated
@NotNull
@NonNls
public String getRootProperty() {
return propertiesPath.getRootProperty();
}
}