ManagerBase (Apache Tomcat 8.0.15 API Documentation)

java.lang.Object
- org.apache.catalina.util.LifecycleBase
- - org.apache.catalina.util.LifecycleMBeanBase
  - - org.apache.catalina.session.ManagerBase

All Implemented Interfaces:

PropertyChangeListener, EventListener, MBeanRegistration, JmxEnabled, Lifecycle, Manager

Direct Known Subclasses:

ClusterManagerBase, PersistentManagerBase, StandardManager
```
public abstract class ManagerBase
extends LifecycleMBeanBase
implements Manager, PropertyChangeListener
```
Minimal implementation of the Manager interface that supports no session persistence or distributable capabilities. This class may be subclassed to create more sophisticated Manager implementations.

Author:

Craig R. McClanahan

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

protected static class ManagerBase.SessionTiming

Nested Classes
Modifier and Type	Class and Description
`protected static class`	`ManagerBase.SessionTiming`

Field Summary

Fields
Modifier and Type	Field and Description
`protected boolean`	`distributable` The distributable flag for Sessions created by this Manager.
`protected int`	`duplicates`
`protected AtomicLong`	`expiredSessions` Number of sessions that have expired.
`protected int`	`maxActive`
`protected int`	`maxActiveSessions` The maximum number of active Sessions allowed, or -1 for no limit.
`protected int`	`maxInactiveInterval` The default maximum inactive interval for Sessions created by this Manager.
`protected int`	`processExpiresFrequency` Frequency of the session expiration, and related manager operations.
`protected long`	`processingTime` Processing time during session expiration.
`protected int`	`rejectedSessions` Number of session creations that failed due to maxActiveSessions.
`protected String`	`secureRandomAlgorithm` The name of the algorithm to use to create instances of `SecureRandom` which are used to generate session IDs.
`protected String`	`secureRandomClass` The Java class name of the secure random number generator class to be used when generating session identifiers.
`protected String`	`secureRandomProvider` The name of the provider to use to create instances of `SecureRandom` which are used to generate session IDs.
`protected static int`	`SESSION_ID_LENGTH_UNSET`
`protected long`	`sessionCounter`
`protected Deque<ManagerBase.SessionTiming>`	`sessionCreationTiming`
`protected Deque<ManagerBase.SessionTiming>`	`sessionExpirationTiming`
`protected SessionIdGenerator`	`sessionIdGenerator`
`protected Class<? extends SessionIdGenerator>`	`sessionIdGeneratorClass`
`protected int`	`sessionIdLength` The session id length of Sessions created by this Manager.
`protected int`	`sessionMaxAliveTime` The longest time (in seconds) that an expired session had been alive.
`protected Map<String,Session>`	`sessions` The set of currently active Sessions for this Manager, keyed by session identifier.
`protected static StringManager`	`sm` The string manager for this package.
`protected PropertyChangeSupport`	`support` The property change support for this component.
`protected static int`	`TIMING_STATS_CACHE_SIZE`

Fields inherited from class org.apache.catalina.util.LifecycleMBeanBase
mserver

Fields inherited from interface org.apache.catalina.Lifecycle
AFTER_DESTROY_EVENT, AFTER_INIT_EVENT, AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_DESTROY_EVENT, BEFORE_INIT_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, CONFIGURE_START_EVENT, CONFIGURE_STOP_EVENT, PERIODIC_EVENT, START_EVENT, STOP_EVENT

Constructor Summary

Constructors
Constructor and Description

ManagerBase()

Constructors
Constructor and Description
`ManagerBase()`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`add(Session session)` Add this Session to the set of active Sessions for this Manager.
`void`	`addPropertyChangeListener(PropertyChangeListener listener)` Add a property change listener to this component.
`void`	`backgroundProcess()` Implements the Manager interface, direct call to processExpires
`void`	`changeSessionId(Session session)` Change the session ID of the current session to a new randomly generated session ID.
`void`	`changeSessionId(Session session, String newId)` Change the session ID of the current session to a specified session ID.
`protected void`	`changeSessionId(Session session, String newId, boolean notifySessionListeners, boolean notifyContainerListeners)`
`Session`	`createEmptySession()` Get a session from the recycled ones or create a new empty one.
`Session`	`createSession(String sessionId)` Construct and return a new session object, based on the default settings specified by this Manager's properties.
`void`	`expireSession(String sessionId)`
`Session`	`findSession(String id)` Return the active Session, associated with this Manager, with the specified session id (if any); otherwise return `null`.
`Session[]`	`findSessions()` Return the set of active Sessions associated with this Manager.
`protected String`	`generateSessionId()` Generate and return a new session identifier.
`int`	`getActiveSessions()` Returns the number of active sessions
`String`	`getClassName()` Returns the name of the implementation class.
`Container`	`getContainer()` Deprecated.
`Context`	`getContext()` Return the Context with which this Manager is associated.
`String`	`getCreationTime(String sessionId)`
`long`	`getCreationTimestamp(String sessionId)`
`boolean`	`getDistributable()` Return the distributable flag for the sessions supported by this Manager.
`String`	`getDomainInternal()` Method implemented by sub-classes to identify the domain in which MBeans should be registered.
`int`	`getDuplicates()` Number of duplicated session IDs generated by the random source.
`Engine`	`getEngine()` Retrieve the enclosing Engine for this Manager.
`long`	`getExpiredSessions()` Gets the number of sessions that have expired.
`String`	`getJvmRoute()` Retrieve the JvmRoute for the enclosing Engine.
`String`	`getLastAccessedTime(String sessionId)`
`long`	`getLastAccessedTimestamp(String sessionId)`
`int`	`getMaxActive()` Max number of concurrent active sessions
`int`	`getMaxActiveSessions()` Return the maximum number of active Sessions allowed, or -1 for no limit.
`int`	`getMaxInactiveInterval()` Return the default maximum inactive interval (in seconds) for Sessions created by this Manager.
`String`	`getName()` Return the descriptive short name of this Manager implementation.
`protected StandardSession`	`getNewSession()` Get new session class to be used in the doLoad() method.
`String`	`getObjectNameKeyProperties()` Allow sub-classes to specify the key properties component of the `ObjectName` that will be used to register this component.
`int`	`getProcessExpiresFrequency()` Return the frequency of manager checks.
`long`	`getProcessingTime()`
`int`	`getRejectedSessions()` Number of session creations that failed due to maxActiveSessions
`String`	`getSecureRandomAlgorithm()` Return the secure random number generator algorithm name.
`String`	`getSecureRandomClass()` Return the secure random number generator class name.
`String`	`getSecureRandomProvider()` Return the secure random number generator provider name.
`HashMap<String,String>`	`getSession(String sessionId)` Returns information about the session with the given session id.
`String`	`getSessionAttribute(String sessionId, String key)` For debugging: get a session attribute
`int`	`getSessionAverageAliveTime()` Gets the average time (in seconds) that expired sessions had been alive based on the last 100 sessions to expire.
`long`	`getSessionCounter()` Total sessions created by this manager.
`int`	`getSessionCreateRate()` Gets the current rate of session creation (in session per minute) based on the creation time of the previous 100 sessions created.
`int`	`getSessionExpireRate()` Gets the current rate of session expiration (in session per minute) based on the expiry time of the previous 100 sessions expired.
`SessionIdGenerator`	`getSessionIdGenerator()` Gets the session id generator.
`int`	`getSessionIdLength()` Deprecated. Use `SessionIdGenerator.getSessionIdLength()`. This method will be removed in Tomcat 9 onwards.
`int`	`getSessionMaxAliveTime()` Gets the longest time (in seconds) that an expired session had been alive.
`String`	`getThisAccessedTime(String sessionId)`
`long`	`getThisAccessedTimestamp(String sessionId)`
`protected void`	`initInternal()` Sub-classes wishing to perform additional initialization should override this method, ensuring that super.initInternal() is the first call in the overriding method.
`String`	`listSessionIds()` For debugging: return a list of all session ids currently active
`void`	`processExpires()` Invalidate all sessions that have expired.
`void`	`propertyChange(PropertyChangeEvent event)` Process property change events from our associated Context.
`void`	`remove(Session session)` Remove this Session from the active Sessions for this Manager.
`void`	`remove(Session session, boolean update)` Remove this Session from the active Sessions for this Manager.
`void`	`removePropertyChangeListener(PropertyChangeListener listener)` Remove a property change listener from this component.
`void`	`setContainer(Container container)` Deprecated.
`void`	`setContext(Context context)` Set the Container with which this Manager is associated.
`void`	`setDistributable(boolean distributable)` Set the distributable flag for the sessions supported by this Manager.
`void`	`setDuplicates(int duplicates)`
`void`	`setExpiredSessions(long expiredSessions)` Sets the number of sessions that have expired.
`void`	`setMaxActive(int maxActive)` (Re)sets the maximum number of sessions that have been active at the same time.
`void`	`setMaxActiveSessions(int max)` Set the maximum number of active Sessions allowed, or -1 for no limit.
`void`	`setMaxInactiveInterval(int interval)` Set the default maximum inactive interval (in seconds) for Sessions created by this Manager.
`void`	`setProcessExpiresFrequency(int processExpiresFrequency)` Set the manager checks frequency.
`void`	`setProcessingTime(long processingTime)`
`void`	`setSecureRandomAlgorithm(String secureRandomAlgorithm)` Set the secure random number generator algorithm name.
`void`	`setSecureRandomClass(String secureRandomClass)` Set the secure random number generator class name.
`void`	`setSecureRandomProvider(String secureRandomProvider)` Set the secure random number generator provider name.
`void`	`setSessionCounter(long sessionCounter)` Sets the total number of sessions created by this manager.
`void`	`setSessionIdGenerator(SessionIdGenerator sessionIdGenerator)` Sets the session id generator
`void`	`setSessionIdLength(int idLength)` Deprecated. Use `SessionIdGenerator.setSessionIdLength(int)`. This method will be removed in Tomcat 9 onwards.
`void`	`setSessionMaxAliveTime(int sessionMaxAliveTime)` Sets the longest time (in seconds) that an expired session had been alive.
`protected void`	`startInternal()` Sub-classes must ensure that the state is changed to `LifecycleState.STARTING` during the execution of this method.
`protected void`	`stopInternal()` Sub-classes must ensure that the state is changed to `LifecycleState.STOPPING` during the execution of this method.
`String`	`toString()` Return a String rendering of this object.
`void`	`updateSessionMaxAliveTime(int sessionAliveTime)` Updates the sessionMaxAliveTime attribute if the candidate value is larger than the current value.

Methods inherited from class org.apache.catalina.util.LifecycleMBeanBase
destroyInternal, getDomain, getObjectName, postDeregister, postRegister, preDeregister, preRegister, register, setDomain, unregister

Methods inherited from class org.apache.catalina.util.LifecycleBase
addLifecycleListener, destroy, findLifecycleListeners, fireLifecycleEvent, getState, getStateName, init, removeLifecycleListener, setState, setState, start, stop

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

Methods inherited from interface org.apache.catalina.Manager
load, unload

- Field Detail
  - distributable
```
protected boolean distributable
```
    The distributable flag for Sessions created by this Manager. If this flag is set to true, any user attributes added to a session controlled by this Manager must be Serializable.
  - maxInactiveInterval
```
protected int maxInactiveInterval
```
    The default maximum inactive interval for Sessions created by this Manager.
  - SESSION_ID_LENGTH_UNSET
```
protected static final int SESSION_ID_LENGTH_UNSET
```
    See Also:
    Constant Field Values
  - sessionIdLength
```
protected int sessionIdLength
```
    The session id length of Sessions created by this Manager. The length should be set directly on the SessionIdGenerator. Setting it here is deprecated.
  - secureRandomClass
```
protected String secureRandomClass
```
    The Java class name of the secure random number generator class to be used when generating session identifiers. The random number generator class must be self-seeding and have a zero-argument constructor. If not specified, an instance of SecureRandom will be generated.
  - secureRandomAlgorithm
```
protected String secureRandomAlgorithm
```
    The name of the algorithm to use to create instances of SecureRandom which are used to generate session IDs. If no algorithm is specified, SHA1PRNG is used. To use the platform default (which may be SHA1PRNG), specify the empty string. If an invalid algorithm and/or provider is specified the SecureRandom instances will be created using the defaults. If that fails, the SecureRandom instances will be created using platform defaults.
  - secureRandomProvider
```
protected String secureRandomProvider
```
    The name of the provider to use to create instances of SecureRandom which are used to generate session IDs. If no algorithm is specified the of SHA1PRNG default is used. If an invalid algorithm and/or provider is specified the SecureRandom instances will be created using the defaults. If that fails, the SecureRandom instances will be created using platform defaults.
  - sessionIdGenerator
```
protected SessionIdGenerator sessionIdGenerator
```
  - sessionIdGeneratorClass
```
protected Class<? extends SessionIdGenerator> sessionIdGeneratorClass
```
  - sessionMaxAliveTime
```
protected volatile int sessionMaxAliveTime
```
    The longest time (in seconds) that an expired session had been alive.
  - TIMING_STATS_CACHE_SIZE
```
protected static final int TIMING_STATS_CACHE_SIZE
```
    See Also:
    Constant Field Values
  - sessionCreationTiming
```
protected final Deque<ManagerBase.SessionTiming> sessionCreationTiming
```
  - sessionExpirationTiming
```
protected final Deque<ManagerBase.SessionTiming> sessionExpirationTiming
```
  - expiredSessions
```
protected final AtomicLong expiredSessions
```
    Number of sessions that have expired.
  - sessions
```
protected Map<String,Session> sessions
```
    The set of currently active Sessions for this Manager, keyed by session identifier.
  - sessionCounter
```
protected long sessionCounter
```
  - maxActive
```
protected volatile int maxActive
```
  - maxActiveSessions
```
protected int maxActiveSessions
```
    The maximum number of active Sessions allowed, or -1 for no limit.
  - rejectedSessions
```
protected int rejectedSessions
```
    Number of session creations that failed due to maxActiveSessions.
  - duplicates
```
protected volatile int duplicates
```
  - processingTime
```
protected long processingTime
```
    Processing time during session expiration.
  - processExpiresFrequency
```
protected int processExpiresFrequency
```
    Frequency of the session expiration, and related manager operations. Manager operations will be done once for the specified amount of backgrondProcess calls (ie, the lower the amount, the most often the checks will occur).
  - sm
```
protected static final StringManager sm
```
    The string manager for this package.
  - support
```
protected final PropertyChangeSupport support
```
    The property change support for this component.
- Constructor Detail
  - ManagerBase
```
public ManagerBase()
```
- Method Detail
  - getContainer
```
@Deprecated
public Container getContainer()
```
    Deprecated.
    
    Description copied from interface: Manager
    
    Return the Container with which this Manager is associated.
    
    Specified by:
    
    getContainer in interface Manager
  - setContainer
```
@Deprecated
public void setContainer(Container container)
```
    Deprecated.
    
    Description copied from interface: Manager
    
    Set the Container with which this Manager is associated.
    
    Specified by:
    
    setContainer in interface Manager
    
    Parameters:
    container - The newly associated Container
  - getContext
```
public Context getContext()
```
    Description copied from interface: Manager
    
    Return the Context with which this Manager is associated.
    
    Specified by:
    
    getContext in interface Manager
  - setContext
```
public void setContext(Context context)
```
    Description copied from interface: Manager
    
    Set the Container with which this Manager is associated.
    
    Specified by:
    
    setContext in interface Manager
    
    Parameters:
    context - The newly associated Context
  - getClassName
```
public String getClassName()
```
    Returns the name of the implementation class.
  - getDistributable
```
public boolean getDistributable()
```
    Return the distributable flag for the sessions supported by this Manager.
    
    Specified by:
    
    getDistributable in interface Manager
  - setDistributable
```
public void setDistributable(boolean distributable)
```
    Set the distributable flag for the sessions supported by this Manager. If this flag is set, all user data objects added to sessions associated with this manager must implement Serializable.
    
    Specified by:
    
    setDistributable in interface Manager
    
    Parameters:
    distributable - The new distributable flag
  - getMaxInactiveInterval
```
public int getMaxInactiveInterval()
```
    Return the default maximum inactive interval (in seconds) for Sessions created by this Manager.
    
    Specified by:
    
    getMaxInactiveInterval in interface Manager
  - setMaxInactiveInterval
```
public void setMaxInactiveInterval(int interval)
```
    Set the default maximum inactive interval (in seconds) for Sessions created by this Manager.
    
    Specified by:
    
    setMaxInactiveInterval in interface Manager
    
    Parameters:
    interval - The new default value
  - getSessionIdLength
```
@Deprecated
public int getSessionIdLength()
```
    Deprecated. Use SessionIdGenerator.getSessionIdLength(). This method will be removed in Tomcat 9 onwards.
    
    Gets the session id length (in bytes) of Sessions created by this Manager.
    
    Specified by:
    
    getSessionIdLength in interface Manager
    
    Returns:
    The session id length
  - setSessionIdLength
```
@Deprecated
public void setSessionIdLength(int idLength)
```
    Deprecated. Use SessionIdGenerator.setSessionIdLength(int). This method will be removed in Tomcat 9 onwards.
    
    Sets the session id length (in bytes) for Sessions created by this Manager.
    
    Specified by:
    
    setSessionIdLength in interface Manager
    
    Parameters:
    idLength - The session id length
  - getSessionIdGenerator
```
public SessionIdGenerator getSessionIdGenerator()
```
    Gets the session id generator.
    
    Specified by:
    
    getSessionIdGenerator in interface Manager
    
    Returns:
    The session id generator
  - setSessionIdGenerator
```
public void setSessionIdGenerator(SessionIdGenerator sessionIdGenerator)
```
    Sets the session id generator
    
    Specified by:
    
    setSessionIdGenerator in interface Manager
    
    Parameters:
    sessionIdGenerator - The session id generator
  - getName
```
public String getName()
```
    Return the descriptive short name of this Manager implementation.
  - getSecureRandomClass
```
public String getSecureRandomClass()
```
    Return the secure random number generator class name.
  - setSecureRandomClass
```
public void setSecureRandomClass(String secureRandomClass)
```
    Set the secure random number generator class name.
    
    Parameters:
    secureRandomClass - The new secure random number generator class name
  - getSecureRandomAlgorithm
```
public String getSecureRandomAlgorithm()
```
    Return the secure random number generator algorithm name.
  - setSecureRandomAlgorithm
```
public void setSecureRandomAlgorithm(String secureRandomAlgorithm)
```
    Set the secure random number generator algorithm name.
    
    Parameters:
    secureRandomAlgorithm - The new secure random number generator algorithm name
  - getSecureRandomProvider
```
public String getSecureRandomProvider()
```
    Return the secure random number generator provider name.
  - setSecureRandomProvider
```
public void setSecureRandomProvider(String secureRandomProvider)
```
    Set the secure random number generator provider name.
    
    Parameters:
    secureRandomProvider - The new secure random number generator provider name
  - getRejectedSessions
```
public int getRejectedSessions()
```
    Number of session creations that failed due to maxActiveSessions
    
    Specified by:
    
    getRejectedSessions in interface Manager
    
    Returns:
    The count
  - getExpiredSessions
```
public long getExpiredSessions()
```
    Gets the number of sessions that have expired.
    
    Specified by:
    
    getExpiredSessions in interface Manager
    
    Returns:
    Number of sessions that have expired
  - setExpiredSessions
```
public void setExpiredSessions(long expiredSessions)
```
    Sets the number of sessions that have expired.
    
    Specified by:
    
    setExpiredSessions in interface Manager
    
    Parameters:
    expiredSessions - Number of sessions that have expired
  - getProcessingTime
```
public long getProcessingTime()
```
  - setProcessingTime
```
public void setProcessingTime(long processingTime)
```
  - getProcessExpiresFrequency
```
public int getProcessExpiresFrequency()
```
    Return the frequency of manager checks.
  - setProcessExpiresFrequency
```
public void setProcessExpiresFrequency(int processExpiresFrequency)
```
    Set the manager checks frequency.
    
    Parameters:
    processExpiresFrequency - the new manager checks frequency
  - backgroundProcess
```
public void backgroundProcess()
```
    Implements the Manager interface, direct call to processExpires
    
    Specified by:
    
    backgroundProcess in interface Manager
  - processExpires
```
public void processExpires()
```
    Invalidate all sessions that have expired.
  - initInternal
```
protected void initInternal()
                     throws LifecycleException
```
    Description copied from class: LifecycleMBeanBase
    
    Sub-classes wishing to perform additional initialization should override this method, ensuring that super.initInternal() is the first call in the overriding method.
    
    Overrides:
    
    initInternal in class LifecycleMBeanBase
    
    Throws:
    
    LifecycleException
  - startInternal
```
protected void startInternal()
                      throws LifecycleException
```
    Description copied from class: LifecycleBase
    
    Sub-classes must ensure that the state is changed to LifecycleState.STARTING during the execution of this method. Changing state will trigger the Lifecycle.START_EVENT event. If a component fails to start it may either throw a LifecycleException which will cause it's parent to fail to start or it can place itself in the error state in which case LifecycleBase.stop() will be called on the failed component but the parent component will continue to start normally.
    
    Specified by:
    
    startInternal in class LifecycleBase
    
    Throws:
    
    LifecycleException
  - stopInternal
```
protected void stopInternal()
                     throws LifecycleException
```
    Description copied from class: LifecycleBase
    
    Sub-classes must ensure that the state is changed to LifecycleState.STOPPING during the execution of this method. Changing state will trigger the Lifecycle.STOP_EVENT event.
    
    Specified by:
    
    stopInternal in class LifecycleBase
    
    Throws:
    
    LifecycleException
  - add
```
public void add(Session session)
```
    Add this Session to the set of active Sessions for this Manager.
    
    Specified by:
    
    add in interface Manager
    
    Parameters:
    session - Session to be added
  - addPropertyChangeListener
```
public void addPropertyChangeListener(PropertyChangeListener listener)
```
    Add a property change listener to this component.
    
    Specified by:
    
    addPropertyChangeListener in interface Manager
    
    Parameters:
    listener - The listener to add
  - createSession
```
public Session createSession(String sessionId)
```
    Construct and return a new session object, based on the default settings specified by this Manager's properties. The session id specified will be used as the session id. If a new session cannot be created for any reason, return null.
    
    Specified by:
    
    createSession in interface Manager
    
    Parameters:
    sessionId - The session id which should be used to create the new session; if null, a new session id will be generated
    
    Throws:
    
    IllegalStateException - if a new session cannot be instantiated for any reason
  - createEmptySession
```
public Session createEmptySession()
```
    Get a session from the recycled ones or create a new empty one. The PersistentManager manager does not need to create session data because it reads it from the Store.
    
    Specified by:
    
    createEmptySession in interface Manager
  - findSession
```
public Session findSession(String id)
                    throws IOException
```
    Return the active Session, associated with this Manager, with the specified session id (if any); otherwise return null.
    
    Specified by:
    
    findSession in interface Manager
    
    Parameters:
    id - The session id for the session to be returned
    
    Throws:
    
    IllegalStateException - if a new session cannot be instantiated for any reason
    
    IOException - if an input/output error occurs while processing this request
  - findSessions
```
public Session[] findSessions()
```
    Return the set of active Sessions associated with this Manager. If this Manager has no active Sessions, a zero-length array is returned.
    
    Specified by:
    
    findSessions in interface Manager
  - remove
```
public void remove(Session session)
```
    Remove this Session from the active Sessions for this Manager.
    
    Specified by:
    
    remove in interface Manager
    
    Parameters:
    session - Session to be removed
  - remove
```
public void remove(Session session,
          boolean update)
```
    Remove this Session from the active Sessions for this Manager.
    
    Specified by:
    
    remove in interface Manager
    
    Parameters:
    session - Session to be removed
    update - Should the expiration statistics be updated
  - removePropertyChangeListener
```
public void removePropertyChangeListener(PropertyChangeListener listener)
```
    Remove a property change listener from this component.
    
    Specified by:
    
    removePropertyChangeListener in interface Manager
    
    Parameters:
    listener - The listener to remove
  - changeSessionId
```
public void changeSessionId(Session session)
```
    Change the session ID of the current session to a new randomly generated session ID.
    
    Specified by:
    
    changeSessionId in interface Manager
    
    Parameters:
    session - The session to change the session ID for
  - changeSessionId
```
public void changeSessionId(Session session,
                   String newId)
```
    Change the session ID of the current session to a specified session ID.
    
    Specified by:
    
    changeSessionId in interface Manager
    
    Parameters:
    session - The session to change the session ID for
    newId - new session ID
  - changeSessionId
```
protected void changeSessionId(Session session,
                   String newId,
                   boolean notifySessionListeners,
                   boolean notifyContainerListeners)
```
  - getNewSession
```
protected StandardSession getNewSession()
```
    Get new session class to be used in the doLoad() method.
  - generateSessionId
```
protected String generateSessionId()
```
    Generate and return a new session identifier.
  - getEngine
```
public Engine getEngine()
```
    Retrieve the enclosing Engine for this Manager.
    
    Returns:
    an Engine object (or null).
  - getJvmRoute
```
public String getJvmRoute()
```
    Retrieve the JvmRoute for the enclosing Engine.
    
    Returns:
    the JvmRoute or null.
  - setSessionCounter
```
public void setSessionCounter(long sessionCounter)
```
    Description copied from interface: Manager
    
    Sets the total number of sessions created by this manager.
    
    Specified by:
    
    setSessionCounter in interface Manager
    
    Parameters:
    sessionCounter - Total number of sessions created by this manager.
  - getSessionCounter
```
public long getSessionCounter()
```
    Total sessions created by this manager.
    
    Specified by:
    
    getSessionCounter in interface Manager
    
    Returns:
    sessions created
  - getDuplicates
```
public int getDuplicates()
```
    Number of duplicated session IDs generated by the random source. Anything bigger than 0 means problems.
    
    Returns:
    The count of duplicates
  - setDuplicates
```
public void setDuplicates(int duplicates)
```
  - getActiveSessions
```
public int getActiveSessions()
```
    Returns the number of active sessions
    
    Specified by:
    
    getActiveSessions in interface Manager
    
    Returns:
    number of sessions active
  - getMaxActive
```
public int getMaxActive()
```
    Max number of concurrent active sessions
    
    Specified by:
    
    getMaxActive in interface Manager
    
    Returns:
    The highest number of concurrent active sessions
  - setMaxActive
```
public void setMaxActive(int maxActive)
```
    Description copied from interface: Manager
    
    (Re)sets the maximum number of sessions that have been active at the same time.
    
    Specified by:
    
    setMaxActive in interface Manager
    
    Parameters:
    maxActive - Maximum number of sessions that have been active at the same time.
  - getMaxActiveSessions
```
public int getMaxActiveSessions()
```
    Return the maximum number of active Sessions allowed, or -1 for no limit.
  - setMaxActiveSessions
```
public void setMaxActiveSessions(int max)
```
    Set the maximum number of active Sessions allowed, or -1 for no limit.
    
    Parameters:
    max - The new maximum number of sessions
  - getSessionMaxAliveTime
```
public int getSessionMaxAliveTime()
```
    Gets the longest time (in seconds) that an expired session had been alive.
    
    Specified by:
    
    getSessionMaxAliveTime in interface Manager
    
    Returns:
    Longest time (in seconds) that an expired session had been alive.
  - setSessionMaxAliveTime
```
public void setSessionMaxAliveTime(int sessionMaxAliveTime)
```
    Sets the longest time (in seconds) that an expired session had been alive. Typically used for resetting the current value.
    
    Specified by:
    
    setSessionMaxAliveTime in interface Manager
    
    Parameters:
    sessionMaxAliveTime - Longest time (in seconds) that an expired session had been alive.
  - updateSessionMaxAliveTime
```
public void updateSessionMaxAliveTime(int sessionAliveTime)
```
    Updates the sessionMaxAliveTime attribute if the candidate value is larger than the current value.
    
    Parameters:
    sessionAliveTime - The candidate value (in seconds) for the new sessionMaxAliveTime value.
  - getSessionAverageAliveTime
```
public int getSessionAverageAliveTime()
```
    Gets the average time (in seconds) that expired sessions had been alive based on the last 100 sessions to expire. If less than 100 sessions have expired then all available data is used.
    
    Specified by:
    
    getSessionAverageAliveTime in interface Manager
    
    Returns:
    Average time (in seconds) that expired sessions had been alive.
  - getSessionCreateRate
```
public int getSessionCreateRate()
```
    Gets the current rate of session creation (in session per minute) based on the creation time of the previous 100 sessions created. If less than 100 sessions have been created then all available data is used.
    
    Specified by:
    
    getSessionCreateRate in interface Manager
    
    Returns:
    The current rate (in sessions per minute) of session creation
  - getSessionExpireRate
```
public int getSessionExpireRate()
```
    Gets the current rate of session expiration (in session per minute) based on the expiry time of the previous 100 sessions expired. If less than 100 sessions have expired then all available data is used.
    
    Specified by:
    
    getSessionExpireRate in interface Manager
    
    Returns:
    The current rate (in sessions per minute) of session expiration
  - listSessionIds
```
public String listSessionIds()
```
    For debugging: return a list of all session ids currently active
  - getSessionAttribute
```
public String getSessionAttribute(String sessionId,
                         String key)
```
    For debugging: get a session attribute
    
    Parameters:
    sessionId -
    key -
    
    Returns:
    The attribute value, if found, null otherwise
  - getSession
```
public HashMap<String,String> getSession(String sessionId)
```
    Returns information about the session with the given session id.
    The session information is organized as a HashMap, mapping session attribute names to the String representation of their values.
    
    Parameters:
    sessionId - Session id
    
    Returns:
    HashMap mapping session attribute names to the String representation of their values, or null if no session with the specified id exists, or if the session does not have any attributes
  - expireSession
```
public void expireSession(String sessionId)
```
  - getThisAccessedTimestamp
```
public long getThisAccessedTimestamp(String sessionId)
```
  - getThisAccessedTime
```
public String getThisAccessedTime(String sessionId)
```
  - getLastAccessedTimestamp
```
public long getLastAccessedTimestamp(String sessionId)
```
  - getLastAccessedTime
```
public String getLastAccessedTime(String sessionId)
```
  - getCreationTime
```
public String getCreationTime(String sessionId)
```
  - getCreationTimestamp
```
public long getCreationTimestamp(String sessionId)
```
  - toString
```
public String toString()
```
    Return a String rendering of this object.
    
    Overrides:
    
    toString in class Object
  - getObjectNameKeyProperties
```
public String getObjectNameKeyProperties()
```
    Description copied from class: LifecycleMBeanBase
    
    Allow sub-classes to specify the key properties component of the ObjectName that will be used to register this component.
    
    Specified by:
    
    getObjectNameKeyProperties in class LifecycleMBeanBase
    
    Returns:
    The string representation of the key properties component of the desired ObjectName
  - getDomainInternal
```
public String getDomainInternal()
```
    Description copied from class: LifecycleMBeanBase
    
    Method implemented by sub-classes to identify the domain in which MBeans should be registered.
    
    Specified by:
    
    getDomainInternal in class LifecycleMBeanBase
    
    Returns:
    The name of the domain to use to register MBeans.
  - propertyChange
```
public void propertyChange(PropertyChangeEvent event)
```
    Process property change events from our associated Context.
    
    Specified by:
    
    propertyChange in interface PropertyChangeListener
    
    Parameters:
    event - The property change event that has occurred

Class ManagerBase

Nested Class Summary

Field Summary

Fields inherited from class org.apache.catalina.util.LifecycleMBeanBase

Fields inherited from interface org.apache.catalina.Lifecycle

Constructor Summary

Method Summary

Methods inherited from class org.apache.catalina.util.LifecycleMBeanBase

Methods inherited from class org.apache.catalina.util.LifecycleBase

Methods inherited from class java.lang.Object

Methods inherited from interface org.apache.catalina.Manager

Field Detail

distributable

maxInactiveInterval

SESSION_ID_LENGTH_UNSET

sessionIdLength

secureRandomClass

secureRandomAlgorithm

secureRandomProvider

sessionIdGenerator

sessionIdGeneratorClass

sessionMaxAliveTime

TIMING_STATS_CACHE_SIZE

sessionCreationTiming

sessionExpirationTiming

expiredSessions

sessions

sessionCounter

maxActive

maxActiveSessions

rejectedSessions

duplicates

processingTime

processExpiresFrequency

sm

support

Constructor Detail

ManagerBase

Method Detail

getContainer

setContainer

getContext

setContext

getClassName

getDistributable

setDistributable

getMaxInactiveInterval

setMaxInactiveInterval

getSessionIdLength

setSessionIdLength

getSessionIdGenerator

setSessionIdGenerator

getName

getSecureRandomClass

setSecureRandomClass

getSecureRandomAlgorithm

setSecureRandomAlgorithm

getSecureRandomProvider

setSecureRandomProvider

getRejectedSessions

getExpiredSessions

setExpiredSessions

getProcessingTime

setProcessingTime

getProcessExpiresFrequency

setProcessExpiresFrequency

backgroundProcess

processExpires

initInternal

startInternal

stopInternal

add

addPropertyChangeListener

createSession

createEmptySession

findSession

findSessions

remove

remove

removePropertyChangeListener