MsgContext (Apache Tomcat 6.0.53 API Documentation)
Keywords: org.apache.jk.core.MsgContext class

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## org.apache.jk.core
Class MsgContext

    java.lang.Object
      org.apache.jk.core.MsgContext

All Implemented Interfaces:
  ActionHook

    public class MsgContext

extends java.lang.Object
implements ActionHook

Author:
  Henri Gomez [hgomez@apache.org], Dan Milstein [danmil@shore.net], Keith Wannamaker [Keith@Wannamaker.org], Kevin Seguin, Costin Manolache

Field Summary
`static int` | `JK_STATUS_CLOSED`
`static int` | `JK_STATUS_ERROR`
`static int` | `JK_STATUS_HEAD`
`static int` | `JK_STATUS_NEW`
`static int` | `TIMER_POST_REQUEST`
`static int` | `TIMER_PRE_REQUEST`
`static int` | `TIMER_RECEIVED`

Constructor Summary
`MsgContext()` Deprecated.
`MsgContext(int bsize)`

Method Summary
`void` | `action(ActionCode actionCode, java.lang.Object param)` Send an action to the connector.
`int` | `execute()` Invoke a java hook.
`byte[]` | `getBuffer(int id)` Each context contains a number of byte[] buffers used for communication.
`java.lang.Object` | `getControl()`
`C2BConverter` | `getConverter()`
`JkInputStream` | `getInputStream()`
`long` | `getJniContext()`
`long` | `getJniEnv()`
`long` | `getLong(int i)`
`Msg` | `getMsg(int i)` The context may store a number of messages ( buffers + marshalling )
`JkHandler` | `getNext()`
`java.lang.Object` | `getNote(int id)`
`Request` | `getRequest()`
`JkChannel` | `getSource()`
`int` | `getStatus()`
`int` | `getType()` The id of the chain
`WorkerEnv` | `getWorkerEnv()`
`boolean` | `isLogTimeEnabled()`
`void` | `recycle()`
`void` | `setControl(java.lang.Object control)`
`void` | `setConverter(C2BConverter c2b)`
`void` | `setJniContext(long cContext)` The long-lived JNI context associated with this java context.
`void` | `setJniEnv(long xEnvP)` Store native execution context data when this handler is called from JNI.
`void` | `setLong(int i, long l)`
`void` | `setMsg(int i, Msg msg)`
`void` | `setNext(JkHandler ch)`
`void` | `setNote(int id, java.lang.Object o)`
`void` | `setRequest(Request req)` The high level request object associated with this context
`void` | `setSource(JkChannel ch)`
`void` | `setStatus(int s)`
`void` | `setType(int i)`
`void` | `setWorkerEnv(WorkerEnv we)`

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

Field Detail

### TIMER_RECEIVED

    public static final int TIMER_RECEIVED

See Also:
  Constant Field Values

### TIMER_PRE_REQUEST

    public static final int TIMER_PRE_REQUEST

See Also:
  Constant Field Values

### TIMER_POST_REQUEST

    public static final int TIMER_POST_REQUEST

See Also:
  Constant Field Values

### JK_STATUS_NEW

    public static final int JK_STATUS_NEW

See Also:
  Constant Field Values

### JK_STATUS_HEAD

    public static final int JK_STATUS_HEAD

See Also:
  Constant Field Values

### JK_STATUS_CLOSED

    public static final int JK_STATUS_CLOSED

See Also:
  Constant Field Values

### JK_STATUS_ERROR

    public static final int JK_STATUS_ERROR

See Also:
  Constant Field Values

Constructor Detail

### MsgContext

    public MsgContext(int bsize)

### MsgContext

    public MsgContext()

  Deprecated.

Method Detail

### getNote

    public final java.lang.Object getNote(int id)

### setNote

    public final void setNote(int id,
                              java.lang.Object o)

### getType

    public final int getType()

  The id of the chain

### setType

    public final void setType(int i)

### setLong

    public final void setLong(int i,
                              long l)

### getLong

    public final long getLong(int i)

### getWorkerEnv

    public final WorkerEnv getWorkerEnv()

### setWorkerEnv

    public final void setWorkerEnv(WorkerEnv we)

### getSource

    public final JkChannel getSource()

### setSource

    public final void setSource(JkChannel ch)

### getStatus

    public final int getStatus()

### setStatus

    public final void setStatus(int s)

### getNext

    public final JkHandler getNext()

### setNext

    public final void setNext(JkHandler ch)

### setRequest

    public final void setRequest(Request req)

  The high level request object associated with this context

### getRequest

    public final Request getRequest()

### getMsg

    public final Msg getMsg(int i)

  The context may store a number of messages ( buffers + marshalling )

### setMsg

    public final void setMsg(int i,
                             Msg msg)

### getConverter

    public final C2BConverter getConverter()

### setConverter

    public final void setConverter(C2BConverter c2b)

### isLogTimeEnabled

    public final boolean isLogTimeEnabled()

### getInputStream

    public JkInputStream getInputStream()

### getBuffer

    public byte[] getBuffer(int id)

  Each context contains a number of byte[] buffers used for communication. The C side will contain a char * equivalent - both buffers are long-lived and recycled. This will be called at init time. A long-lived global reference to the byte[] will be stored in the C context.

### execute

    public int execute()
                throws java.io.IOException

  Invoke a java hook. The xEnv is the representation of the current execution environment ( the jni_env_t * )

  Throws:
    `java.io.IOException`

### setJniEnv

    public void setJniEnv(long xEnvP)

  Store native execution context data when this handler is called from JNI. This will change on each call, represent temproary call data.

### getJniEnv

    public long getJniEnv()

### setJniContext

    public void setJniContext(long cContext)

  The long-lived JNI context associated with this java context. The 2 share pointers to buffers and cache data to avoid expensive jni calls.

### getJniContext

    public long getJniContext()

### getControl

    public java.lang.Object getControl()

### setControl

    public void setControl(java.lang.Object control)

### action

    public void action(ActionCode actionCode,
                       java.lang.Object param)

  Description copied from interface: `ActionHook`
  Send an action to the connector.

  Specified by:
    `action` in interface `ActionHook`
  Parameters:
    `actionCode` - Type of the action
    `param` - Action parameter

### recycle

    public void recycle()

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