Copyright (c) 2000, 2008 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2008 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.core.expressions;

import org.eclipse.core.runtime.CoreException;

A variable resolver can be used to add additional variable resolving strategies to an EvaluationContext. 
See Also:
EvaluationContext.resolveVariable(String, Object[])
Since:
3.0/**
 * A variable resolver can be used to add additional variable resolving
 * strategies to an {@link EvaluationContext}.
 *
 * @see org.eclipse.core.expressions.EvaluationContext#resolveVariable(String, Object[])
 *
 * @since 3.0
 */
public interface IVariableResolver {

	
Resolves a variable for the given name and arguments. The
handler is allowed to return null to indicate
that it is not able to resolve the requested variable.
Params:
name – the variable to resolve
args – an object array of arguments used to resolve the
 variable
Throws:
CoreException – if an errors occurs while resolving
 the variable
Returns:
the variable's value or null if no variable
 could be resolved/**
	 * Resolves a variable for the given name and arguments. The
	 * handler is allowed to return <code>null</code> to indicate
	 * that it is not able to resolve the requested variable.
	 *
	 * @param name the variable to resolve
	 * @param args an object array of arguments used to resolve the
	 *  variable
	 * @return the variable's value or <code>null</code> if no variable
	 *  could be resolved
	 * @exception CoreException if an errors occurs while resolving
	 *  the variable
	 */
	Object resolve(String name, Object[] args) throws CoreException;
}