jcommons/org.eclipse.statet.jcommons.util/src/org/eclipse/statet/jcommons/ts/core/ToolProvider.java

/*=============================================================================#
 # Copyright (c) 2006, 2020 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.jcommons.ts.core;

import org.eclipse.statet.jcommons.lang.NonNullByDefault;
import org.eclipse.statet.jcommons.lang.Nullable;


/**
 * Provides access to a selected (the active) tool instance.
 * Counterpart of {@link ActiveToolListener}.
 */
@NonNullByDefault
public interface ToolProvider {
	
	
	@Nullable Tool getTool();
	
	void addToolListener(final ActiveToolListener listener);
	
	void removeToolListener(final ActiveToolListener listener);
	
}