core/org.eclipse.statet.rj.data/src/org/eclipse/statet/rj/data/impl/RPromiseImpl.java

/*=============================================================================#
 # Copyright (c) 2009, 2018 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.rj.data.impl;

import org.eclipse.statet.rj.data.RList;
import org.eclipse.statet.rj.data.RObject;
import org.eclipse.statet.rj.data.RStore;


/**
 * Default implementation of an R object of type {@link RObject#TYPE_PROMISE PROMISE}.
 * 
 * @since de.walware.rj.data 0.6
 */
public class RPromiseImpl implements RObject {
	
	
	public static final RPromiseImpl INSTANCE= new RPromiseImpl();
	
	
	public RPromiseImpl() {
	}
	
	
	@Override
	public byte getRObjectType() {
		return TYPE_PROMISE;
	}
	
	@Override
	public String getRClassName() {
		return "<promise>";
	}
	
	@Override
	public long getLength() {
		return 0;
	}
	
	@Override
	public RStore<?> getData() {
		return null;
	}
	
	@Override
	public RList getAttributes() {
		return null;
	}
	
}