Function


1   /*****************************************************************************
2    * Copyright (C) Codehaus.org. All rights reserved.            *
3    * ------------------------------------------------------------------------- *
4    * The software in this package is published under the terms of the BSD      *
5    * style license a copy of which has been included with this distribution in *
6    * the LICENSE.txt file.                                                     *
7    *****************************************************************************/
8   /*
9    * Created on Feb 28, 2005
10   *
11   * Author Ben Yu
12   * ZBS
13   */
14  package jfun.yan.function;
15  
16  /**
17   * Function abstracts the concept of any invokable entity.
18   * that has typed parameters and return values.
19   * java.lang.reflect.Method and java.lang.reflect.Constructor
20   * are the two entities made implementation of this interface. 
21   * <p>
22   * 
23   * Codehaus.org.
24   *
25   * @author Ben Yu
26   *
27   */
28  public interface Function<T> extends java.io.Serializable  , Signature<T>{
29    /**
30     * To determine if the type returned by getReturnType() is the concrete type
31     * of the real return value.
32     * <p>
33     * Static type check will be performed on concrete types.
34     * </p>
35     */
36    boolean isConcrete();
37    /**
38     * Gets the return type of the function.
39     * @return the return type.
40     */
41    Class  <T> getReturnType();
42    /**
43     * Gets the parameter types of the function.
44     * @return the parameter types.
45     */
46    Class  [] getParameterTypes();
47    /**
48     * Invoke this function.
49     * @param args the arguments.
50     * @return the return value.
51     */
52    T call(Object  [] args)
53    throws Throwable  ;
54    /**
55     * Get the name of the signature.
56     */
57    public String   getName();
58  }
59
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags