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MVEL is a powerful expression language for Java-based applications. It provides a plethora of features and is suited for everything from the smallest property binding and extraction, to full blown scripts.

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package org.mvel2.ast;

import org.mvel2.integration.VariableResolverFactory;

/**
 * @author Mike Brock
 */
public class FunctionInstance {
  protected final Function function;

  public FunctionInstance(Function function) {
    this.function = function;
  }

  public Function getFunction() {
    return function;
  }

  public Object call(Object ctx, Object thisValue, VariableResolverFactory factory, Object[] parms) {
    return function.call(ctx, thisValue, factory, parms);
  }
}