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## org.jgroups.blocks
Class MethodCall

    java.lang.Object
      org.jgroups.blocks.MethodCall

All Implemented Interfaces:
  java.io.Externalizable, java.io.Serializable

    public class MethodCall

extends java.lang.Object
implements java.io.Externalizable

A method call is the JGroups representation of a remote method. It includes the name of the method (case sensitive) and a list of arguments. A method call is serializable and can be passed over the wire.

Version:
  $Revision: 1.39 $
Author:
  Bela Ban
See Also:
  Serialized Form

Field Summary
`protected java.lang.Object[]` | `args` The arguments of the method.
`protected static short` | `ID` Use an ID to map to a method
`protected static Log` | `log`
`protected java.lang.reflect.Method` | `method` The Method of the call.
`protected static short` | `METHOD` Explicitly ship the method, caller has to determine method himself.
`protected short` | `method_id` The ID of a method, maps to a java.lang.reflect.Method
`protected java.lang.String` | `method_name` The name of the method, case sensitive.
`protected short` | `mode` Which mode to use.
`protected static short` | `OLD` Infer the method from the arguments.
`protected java.util.Map` | `payload` Deprecated.
`protected java.lang.String[]` | `signature` Deprecated.
`protected static short` | `SIGNATURE` Provide a signature, similar to JMX.
`protected java.lang.Class[]` | `types` The class types, e.g., new Class[]{String.class, int.class}.
`protected static short` | `TYPES` Use class information.

Constructor Summary
`MethodCall()` Creates an empty method call, this is always invalid, until `setName()` has been called.
`MethodCall(java.lang.reflect.Method method)`
`MethodCall(java.lang.reflect.Method method, java.lang.Object... arguments)`
`MethodCall(short method_id, java.lang.Object... args)`
`MethodCall(java.lang.String method_name, java.lang.Object... args)` Deprecated.
`MethodCall(java.lang.String method_name, java.lang.Object[] args, java.lang.Class[] types)`
`MethodCall(java.lang.String method_name, java.lang.Object[] args, java.lang.String[] signature)` Deprecated.

Method Summary
`static java.lang.Object` | `convert(java.lang.String arg, java.lang.Class<?> type)`
`static java.lang.reflect.Method` | `findMethod(java.lang.Class target_class, java.lang.String method_name, java.lang.Object[] args)`
`java.lang.Object` | `get(java.lang.Object key)` Deprecated.
`java.lang.Object[]` | `getArgs()` returns an ordered list of arguments used for the method invokation
`short` | `getId()`
`java.lang.reflect.Method` | `getMethod()`
`int` | `getMode()`
`java.lang.String` | `getName()` returns the name of the method to be invoked using this method call object
`java.lang.Object` | `invoke(java.lang.Object target)` Invokes the method with the supplied arguments against the target object.
`java.lang.Object` | `invoke(java.lang.Object target, java.lang.Object[] args)`
`java.lang.Object` | `put(java.lang.Object key, java.lang.Object value)` Deprecated.
`void` | `readExternal(java.io.ObjectInput in)`
`void` | `setArgs(java.lang.Object[] args)`
`void` | `setId(short method_id)`
`void` | `setMethod(java.lang.reflect.Method m)`
`void` | `setName(java.lang.String n)` sets the name for this MethodCall and allowing you to reuse the same object for a different method invokation of a different method
`java.lang.String` | `toString()`
`java.lang.String` | `toStringDetails()`
`void` | `writeExternal(java.io.ObjectOutput out)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### method_name

    protected java.lang.String method_name

  The name of the method, case sensitive.

### method_id

    protected short method_id

  The ID of a method, maps to a java.lang.reflect.Method

### args

    protected java.lang.Object[] args

  The arguments of the method.

### types

    protected java.lang.Class[] types

  The class types, e.g., new Class[]{String.class, int.class}.

### signature

    @Deprecated
    protected java.lang.String[] signature

  Deprecated.
  The signature, e.g., new String[]{String.class.getName(), int.class.getName()}.

### method

    protected java.lang.reflect.Method method

  The Method of the call.

### payload

    @Deprecated
    protected java.util.Map payload

  Deprecated.
  To carry arbitrary data with a method call, data needs to be serializable if sent across the wire

### log

    protected static final Log log

### mode

    protected short mode

  Which mode to use.

### OLD

    protected static final short OLD

  Infer the method from the arguments.

  See Also:
    Constant Field Values

### METHOD

    protected static final short METHOD

  Explicitly ship the method, caller has to determine method himself.

  See Also:
    Constant Field Values

### TYPES

    protected static final short TYPES

  Use class information.

  See Also:
    Constant Field Values

### SIGNATURE

    protected static final short SIGNATURE

  Provide a signature, similar to JMX.

  See Also:
    Constant Field Values

### ID

    protected static final short ID

  Use an ID to map to a method

  See Also:
    Constant Field Values

Constructor Detail

### MethodCall

    public MethodCall()

  Creates an empty method call, this is always invalid, until `setName()` has been called.

### MethodCall

    public MethodCall(java.lang.reflect.Method method)

### MethodCall

    public MethodCall(java.lang.reflect.Method method,
                      java.lang.Object... arguments)

### MethodCall

    @Deprecated
    public MethodCall(java.lang.String method_name,
                                 java.lang.Object... args)

  Deprecated.

  Parameters:
    `method_name` -
    `args` -

### MethodCall

    public MethodCall(short method_id,
                      java.lang.Object... args)

### MethodCall

    public MethodCall(java.lang.String method_name,
                      java.lang.Object[] args,
                      java.lang.Class[] types)

### MethodCall

    @Deprecated
    public MethodCall(java.lang.String method_name,
                                 java.lang.Object[] args,
                                 java.lang.String[] signature)

  Deprecated.

Method Detail

### getMode

    public int getMode()

### getName

    public java.lang.String getName()

  returns the name of the method to be invoked using this method call object

  Returns:
    a case sensitive name, can be null for an invalid method call

### setName

    public void setName(java.lang.String n)

  sets the name for this MethodCall and allowing you to reuse the same object for a different method invokation of a different method

  Parameters:
    `n` - - a case sensitive method name

### getId

    public short getId()

### setId

    public void setId(short method_id)

### getArgs

    public java.lang.Object[] getArgs()

  returns an ordered list of arguments used for the method invokation

  Returns:
    returns the list of ordered arguments

### setArgs

    public void setArgs(java.lang.Object[] args)

### getMethod

    public java.lang.reflect.Method getMethod()

### setMethod

    public void setMethod(java.lang.reflect.Method m)

### put

    @Deprecated
    public java.lang.Object put(java.lang.Object key,
                                           java.lang.Object value)

  Deprecated.

### get

    @Deprecated
    public java.lang.Object get(java.lang.Object key)

  Deprecated.

### findMethod

    public static java.lang.reflect.Method findMethod(java.lang.Class target_class,
                                                      java.lang.String method_name,
                                                      java.lang.Object[] args)
                                               throws java.lang.Exception

  Throws:
    `java.lang.Exception`

### invoke

    public java.lang.Object invoke(java.lang.Object target)
                            throws java.lang.Throwable

  Invokes the method with the supplied arguments against the target object. If a method lookup is provided, it will be used. Otherwise, the default method lookup will be used.

  Parameters:
    `target` - - the object that you want to invoke the method on
  Returns:
    an object
  Throws:
    `java.lang.Throwable`

### invoke

    public java.lang.Object invoke(java.lang.Object target,
                                   java.lang.Object[] args)
                            throws java.lang.Throwable

  Throws:
    `java.lang.Throwable`

### toString

    public java.lang.String toString()

  Overrides:
    `toString` in class `java.lang.Object`

### toStringDetails

    public java.lang.String toStringDetails()

### writeExternal

    public void writeExternal(java.io.ObjectOutput out)
                       throws java.io.IOException

  Specified by:
    `writeExternal` in interface `java.io.Externalizable`
  Throws:
    `java.io.IOException`

### readExternal

    public void readExternal(java.io.ObjectInput in)
                      throws java.io.IOException,
                             java.lang.ClassNotFoundException

  Specified by:
    `readExternal` in interface `java.io.Externalizable`
  Throws:
    `java.io.IOException`
    `java.lang.ClassNotFoundException`

### convert

    public static java.lang.Object convert(java.lang.String arg,
                                           java.lang.Class<?> type)

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Copyright © 1998-2009 Bela Ban / Red Hat. All Rights Reserved.