Java Doc for IEntityLock.java in » Portal » uPortal_rel-2-6-1-GA » org » jasig » portal » concurrency » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » uPortal_rel 2 6 1 GA » org.jasig.portal.concurrency

Source Cross Reference Class Diagram Java Document (Java Doc)

org.jasig.portal.concurrency .IEntityLock

All known Subclasses:   org.jasig.portal.concurrency.locking .EntityLockImpl,
IEntityLock
public interface IEntityLock (Code)
Defines a lock associated with an owner and a portal entity that guarantees some degree of exclusive access to the entity, depending on lockType and expirationTime. See IEntityLockService for the rules governing lock assignment and a code example.
author:
   Dan Ellentuck
version:
   $Revision: 34757 $
See Also:   org.jasig.portal.concurrency.IEntityLockService

Method Summary
public void convert(int newType)
     Attempts to change the lockType of this lock to newType.
public void convert(int newType, int newDuration)
     Attempts to change the lockType of this lock to newType.
public String getEntityKey()

public Class getEntityType()

See Also:   org.jasig.portal.EntityTypes
See Also:    for known types.
public Date getExpirationTime()

public String getLockOwner()

public int getLockType()
     See IEntityLockingService for a description of lock types.
public boolean isValid()
     Answers if this lock is still good.
public void release()
     Invalidate the lock.
public void renew()
     Extends the expiration time of this lock for a service-defined period.
public void renew(int duration)
     Extends the expiration time of this lock for duration seconds.

Method Detail
convert
public void convert(int newType) throws LockingException(Code)
Attempts to change the lockType of this lock to newType. The expirationTime is renewed.
Parameters:
  newType - int
exception:
  org.jasig.portal.concurrency.LockingException - - if the conversion fails.

convert
public void convert(int newType, int newDuration) throws LockingException(Code)
Attempts to change the lockType of this lock to newType. The expirationTime is extended newDuration seconds.
Parameters:
  newType - int
Parameters:
  newDuration - int
exception:
  org.jasig.portal.concurrency.LockingException - - if the conversion fails.

getEntityKey
public String getEntityKey()(Code)
java.lang.String

getEntityType
public Class getEntityType()(Code)

See Also:   org.jasig.portal.EntityTypes
See Also:    for known types. java.lang.Class

getExpirationTime
public Date getExpirationTime()(Code)
java.util.Date

getLockOwner
public String getLockOwner()(Code)
Could be the portal user or the framework or ...? java.lang.String

getLockType
public int getLockType()(Code)
See IEntityLockingService for a description of lock types. int

isValid
public boolean isValid() throws LockingException(Code)
Answers if this lock is still good.

release
public void release() throws LockingException(Code)
Invalidate the lock.

renew
public void renew() throws LockingException(Code)
Extends the expiration time of this lock for a service-defined period.

renew
public void renew(int duration) throws LockingException(Code)
Extends the expiration time of this lock for duration seconds.

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