RpcChannel (Apache Tomcat 6.0.53 API Documentation)
Keywords: org.apache.catalina.tribes.group.RpcChannel class

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## org.apache.catalina.tribes.group
Class RpcChannel

    java.lang.Object
      org.apache.catalina.tribes.group.RpcChannel

All Implemented Interfaces:
  ChannelListener

    public class RpcChannel

extends java.lang.Object
implements ChannelListener

A channel to handle RPC messaging

Author:
  Filip Hanik

Nested Class Summary
`static class` | `RpcChannel.RpcCollector` Class that holds all response.
`static class` | `RpcChannel.RpcCollectorKey`

Field Summary
`static int` | `ALL_REPLY`
`static int` | `FIRST_REPLY`
`protected static Log` | `log`
`static int` | `MAJORITY_REPLY`
`static int` | `NO_REPLY`

Constructor Summary
`RpcChannel(byte[] rpcId, Channel channel, RpcCallback callback)` Create an RPC channel.

Method Summary
`boolean` | `accept(java.io.Serializable msg, Member sender)` Invoked by the channel to determine if the listener will process this message or not.
`void` | `breakdown()`
`protected static java.lang.String` | `bToS(byte[] data)`
`void` | `finalize()`
`RpcCallback` | `getCallback()`
`Channel` | `getChannel()`
`byte[]` | `getRpcId()`
`void` | `messageReceived(java.io.Serializable msg, Member sender)` Receive a message from the channel
`Response[]` | `send(Member[] destination, java.io.Serializable message, int rpcOptions, int channelOptions, long timeout)` Send a message and wait for the response.
`void` | `setCallback(RpcCallback callback)`
`void` | `setChannel(Channel channel)`
`void` | `setRpcId(byte[] rpcId)`

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

Methods inherited from interface org.apache.catalina.tribes.ChannelListener
`equals, hashCode`

Field Detail

### log

    protected static Log log

### FIRST_REPLY

    public static final int FIRST_REPLY

See Also:
  Constant Field Values

### MAJORITY_REPLY

    public static final int MAJORITY_REPLY

See Also:
  Constant Field Values

### ALL_REPLY

    public static final int ALL_REPLY

See Also:
  Constant Field Values

### NO_REPLY

    public static final int NO_REPLY

See Also:
  Constant Field Values

Constructor Detail

### RpcChannel

    public RpcChannel(byte[] rpcId,
                      Channel channel,
                      RpcCallback callback)

  Create an RPC channel. You can have several RPC channels attached to a group all separated out by the uniqueness

  Parameters:
    `rpcId` - - the unique Id for this RPC group
    `channel` - Channel
    `callback` - RpcCallback

Method Detail

### send

    public Response[] send(Member[] destination,
                           java.io.Serializable message,
                           int rpcOptions,
                           int channelOptions,
                           long timeout)
                    throws ChannelException

  Send a message and wait for the response.

  Parameters:
    `destination` - Member[] - the destination for the message, and the members you request a reply from
    `message` - Serializable - the message you are sending out
    `rpcOptions` - int - FIRST_REPLY, MAJORITY_REPLY, ALL_REPLY or NO_REPLY
    `timeout` - long - timeout in milliseconds, if no reply is received within this time null is returned
  Returns:
    Response[] - an array of response objects.
  Throws:
    `ChannelException`

### messageReceived

    public void messageReceived(java.io.Serializable msg,
                                Member sender)

  Description copied from interface: `ChannelListener`
  Receive a message from the channel

  Specified by:
    `messageReceived` in interface `ChannelListener`
  Parameters:
    `msg` - Serializable
    `sender` - - the source of the message

### breakdown

    public void breakdown()

### finalize

    public void finalize()

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

### accept

    public boolean accept(java.io.Serializable msg,
                          Member sender)

  Description copied from interface: `ChannelListener`
  Invoked by the channel to determine if the listener will process this message or not.

  Specified by:
    `accept` in interface `ChannelListener`
  Parameters:
    `msg` - Serializable
    `sender` - Member
  Returns:
    boolean

### getChannel

    public Channel getChannel()

### getCallback

    public RpcCallback getCallback()

### getRpcId

    public byte[] getRpcId()

### setChannel

    public void setChannel(Channel channel)

### setCallback

    public void setCallback(RpcCallback callback)

### setRpcId

    public void setRpcId(byte[] rpcId)

### bToS

    protected static java.lang.String bToS(byte[] data)

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