SSLSessionContext (Java 2 Platform SE v1.4.1_"07")

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JavaTM 2 Platform
Std. Ed. v1.4.1_"07"

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## javax.net.ssl
Interface SSLSessionContext

public interface SSLSessionContext

A `SSLSessionContext` represents a set of `SSLSession`s associated with a single entity. For example, it could be associated with a server or client who participates in many sessions concurrently.

Not all environments will contain session contexts.

There are `SSLSessionContext` parameters that affect how sessions are stored:

- Sessions can be set to expire after a specified time limit.
- The number of sessions that can be stored in context can be limited.

A session can be retrieved based on its session id, and all session id's in a `SSLSessionContext` can be listed.

Since:
  1.4
See Also:
  `SSLSession`

Method Summary
`Enumeration` | `getIds()` Returns an Enumeration of all session id's grouped under this `SSLSessionContext`.
`SSLSession` | `getSession(byte[] sessionId)` Returns the `SSLSession` bound to the specified session id.
`int` | `getSessionCacheSize()` Returns the size of the cache used for storing `SSLSession` objects grouped under this `SSLSessionContext`.
`int` | `getSessionTimeout()` Returns the timeout limit of `SSLSession` objects grouped under this `SSLSessionContext`.
`void` | `setSessionCacheSize(int size)` Sets the size of the cache used for storing `SSLSession` objects grouped under this `SSLSessionContext`.
`void` | `setSessionTimeout(int seconds)` Sets the timeout limit for `SSLSession` objects grouped under this `SSLSessionContext`.

Method Detail

### getSession

    public SSLSession getSession(byte[] sessionId)

  Returns the `SSLSession` bound to the specified session id.

  Parameters:
    `sessionId` - the Session identifier
  Returns:
    the `SSLSession` or null if the specified session id does not refer to a valid SSLSession.

### getIds

    public Enumeration getIds()

  Returns an Enumeration of all session id's grouped under this `SSLSessionContext`.

  Returns:
    an enumeration of all the Session id's

### setSessionTimeout

    public void setSessionTimeout(int seconds)
                           throws IllegalArgumentException

  Sets the timeout limit for `SSLSession` objects grouped under this `SSLSessionContext`.

  If the timeout limit is set to 't' seconds, a session exceeds the timeout limit 't' seconds after its creation time. When the timeout limit is exceeded for a session, the `SSLSession` object is invalidated and future connections cannot resume or rejoin the session. A check for sessions exceeding the timeout is made immediately whenever the timeout limit is changed for this `SSLSessionContext`.

  Parameters:
    `seconds` - the new session timeout limit in seconds; zero means there is no limit.
  Throws:
    `IllegalArgumentException` - if the timeout specified is < 0.
  See Also:
    `getSessionTimeout()`

### getSessionTimeout

    public int getSessionTimeout()

  Returns the timeout limit of `SSLSession` objects grouped under this `SSLSessionContext`.

  If the timeout limit is set to 't' seconds, a session exceeds the timeout limit 't' seconds after its creation time. When the timeout limit is exceeded for a session, the `SSLSession` object is invalidated and future connections cannot resume or rejoin the session. A check for sessions exceeding the timeout limit is made immediately whenever the timeout limit is changed for this `SSLSessionContext`.

  Returns:
    the session timeout limit in seconds; zero means there is no limit.
  See Also:
    `setSessionTimeout(int)`

### setSessionCacheSize

    public void setSessionCacheSize(int size)
                             throws IllegalArgumentException

  Sets the size of the cache used for storing `SSLSession` objects grouped under this `SSLSessionContext`.

  Parameters:
    `size` - the new session cache size limit; zero means there is no limit.
  Throws:
    `IllegalArgumentException` - if the specified size is < 0.
  See Also:
    `getSessionCacheSize()`

### getSessionCacheSize

    public int getSessionCacheSize()

  Returns the size of the cache used for storing `SSLSession` objects grouped under this `SSLSessionContext`.

  Returns:
    size of the session cache; zero means there is no size limit.
  See Also:
    `setSessionCacheSize(int)`

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.