Package javax.jmdns.impl
Class DNSStatefulObject.DefaultImplementation
- java.lang.Object
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- java.util.concurrent.locks.ReentrantLock
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- javax.jmdns.impl.DNSStatefulObject.DefaultImplementation
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- All Implemented Interfaces:
java.io.Serializable
,java.util.concurrent.locks.Lock
,DNSStatefulObject
- Direct Known Subclasses:
HostInfo.HostInfoState
,ServiceInfoImpl.ServiceInfoState
- Enclosing interface:
- DNSStatefulObject
public static class DNSStatefulObject.DefaultImplementation extends java.util.concurrent.locks.ReentrantLock implements DNSStatefulObject
- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from interface javax.jmdns.impl.DNSStatefulObject
DNSStatefulObject.DefaultImplementation, DNSStatefulObject.DNSStatefulObjectSemaphore
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Field Summary
Fields Modifier and Type Field Description private DNSStatefulObject.DNSStatefulObjectSemaphore
_announcing
private DNSStatefulObject.DNSStatefulObjectSemaphore
_canceling
private JmDNSImpl
_dns
protected DNSState
_state
protected DNSTask
_task
private static org.slf4j.Logger
logger
private static long
serialVersionUID
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Constructor Summary
Constructors Constructor Description DefaultImplementation()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
advanceState(DNSTask task)
Sets the state and notifies all objects that wait on the ServiceInfo.void
associateWithTask(DNSTask task, DNSState state)
Sets the task associated with this Object.boolean
cancelState()
Sets the state and notifies all objects that wait on the ServiceInfo.boolean
closeState()
Sets the state and notifies all objects that wait on the ServiceInfo.JmDNSImpl
getDns()
Returns the DNS associated with this object.boolean
isAnnounced()
Returns true, if this is an announced state.boolean
isAnnouncing()
Returns true, if this is an announcing state.boolean
isAssociatedWithTask(DNSTask task, DNSState state)
Checks if this object is associated with the task and in the same state.boolean
isCanceled()
Returns true, if this is a canceled state.boolean
isCanceling()
Returns true, if this is a canceling state.boolean
isClosed()
Returns true, if this is a closed state.boolean
isClosing()
Returns true, if this is a closing state.boolean
isProbing()
Returns true, if this is a probing state.boolean
recoverState()
Sets the state and notifies all objects that wait on the ServiceInfo.void
removeAssociationWithTask(DNSTask task)
Remove the association of the task with this Object.boolean
revertState()
Sets the state and notifies all objects that wait on the ServiceInfo.protected void
setDns(JmDNSImpl dns)
protected void
setState(DNSState state)
protected void
setTask(DNSTask task)
java.lang.String
toString()
boolean
waitForAnnounced(long timeout)
Waits for the object to be announced.boolean
waitForCanceled(long timeout)
Waits for the object to be canceled.private boolean
willCancel()
private boolean
willClose()
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Methods inherited from class java.util.concurrent.locks.ReentrantLock
getHoldCount, getOwner, getQueuedThreads, getQueueLength, getWaitingThreads, getWaitQueueLength, hasQueuedThread, hasQueuedThreads, hasWaiters, isFair, isHeldByCurrentThread, isLocked, lock, lockInterruptibly, newCondition, tryLock, tryLock, unlock
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Field Detail
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logger
private static org.slf4j.Logger logger
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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_dns
private volatile JmDNSImpl _dns
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_task
protected volatile DNSTask _task
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_state
protected volatile DNSState _state
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_announcing
private final DNSStatefulObject.DNSStatefulObjectSemaphore _announcing
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_canceling
private final DNSStatefulObject.DNSStatefulObjectSemaphore _canceling
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Method Detail
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getDns
public JmDNSImpl getDns()
Returns the DNS associated with this object.- Specified by:
getDns
in interfaceDNSStatefulObject
- Returns:
- DNS resolver
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setDns
protected void setDns(JmDNSImpl dns)
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associateWithTask
public void associateWithTask(DNSTask task, DNSState state)
Sets the task associated with this Object.- Specified by:
associateWithTask
in interfaceDNSStatefulObject
- Parameters:
task
- associated taskstate
- state of the task
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removeAssociationWithTask
public void removeAssociationWithTask(DNSTask task)
Remove the association of the task with this Object.- Specified by:
removeAssociationWithTask
in interfaceDNSStatefulObject
- Parameters:
task
- associated task
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isAssociatedWithTask
public boolean isAssociatedWithTask(DNSTask task, DNSState state)
Checks if this object is associated with the task and in the same state.- Specified by:
isAssociatedWithTask
in interfaceDNSStatefulObject
- Parameters:
task
- associated taskstate
- state of the task- Returns:
true
is the task is associated with this object,false
otherwise.
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setTask
protected void setTask(DNSTask task)
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setState
protected void setState(DNSState state)
- Parameters:
state
- the state to set
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advanceState
public boolean advanceState(DNSTask task)
Sets the state and notifies all objects that wait on the ServiceInfo.- Specified by:
advanceState
in interfaceDNSStatefulObject
- Parameters:
task
- associated task- Returns:
true
if the state was changed by this thread,false
otherwise.- See Also:
DNSState.advance()
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revertState
public boolean revertState()
Sets the state and notifies all objects that wait on the ServiceInfo.- Specified by:
revertState
in interfaceDNSStatefulObject
- Returns:
true
if the state was changed by this thread,false
otherwise.- See Also:
DNSState.revert()
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cancelState
public boolean cancelState()
Sets the state and notifies all objects that wait on the ServiceInfo.- Specified by:
cancelState
in interfaceDNSStatefulObject
- Returns:
true
if the state was changed by this thread,false
otherwise.
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closeState
public boolean closeState()
Sets the state and notifies all objects that wait on the ServiceInfo.- Specified by:
closeState
in interfaceDNSStatefulObject
- Returns:
true
if the state was changed by this thread,false
otherwise.
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recoverState
public boolean recoverState()
Sets the state and notifies all objects that wait on the ServiceInfo.- Specified by:
recoverState
in interfaceDNSStatefulObject
- Returns:
true
if the state was changed by this thread,false
otherwise.
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isProbing
public boolean isProbing()
Returns true, if this is a probing state.- Specified by:
isProbing
in interfaceDNSStatefulObject
- Returns:
true
if probing state,false
otherwise
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isAnnouncing
public boolean isAnnouncing()
Returns true, if this is an announcing state.- Specified by:
isAnnouncing
in interfaceDNSStatefulObject
- Returns:
true
if announcing state,false
otherwise
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isAnnounced
public boolean isAnnounced()
Returns true, if this is an announced state.- Specified by:
isAnnounced
in interfaceDNSStatefulObject
- Returns:
true
if announced state,false
otherwise
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isCanceling
public boolean isCanceling()
Returns true, if this is a canceling state.- Specified by:
isCanceling
in interfaceDNSStatefulObject
- Returns:
true
if canceling state,false
otherwise
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isCanceled
public boolean isCanceled()
Returns true, if this is a canceled state.- Specified by:
isCanceled
in interfaceDNSStatefulObject
- Returns:
true
if canceled state,false
otherwise
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isClosing
public boolean isClosing()
Returns true, if this is a closing state.- Specified by:
isClosing
in interfaceDNSStatefulObject
- Returns:
true
if closing state,false
otherwise
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isClosed
public boolean isClosed()
Returns true, if this is a closed state.- Specified by:
isClosed
in interfaceDNSStatefulObject
- Returns:
true
if closed state,false
otherwise
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willCancel
private boolean willCancel()
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willClose
private boolean willClose()
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waitForAnnounced
public boolean waitForAnnounced(long timeout)
Waits for the object to be announced.- Specified by:
waitForAnnounced
in interfaceDNSStatefulObject
- Parameters:
timeout
- the maximum time to wait in milliseconds.- Returns:
true
if the object is announced,false
otherwise
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waitForCanceled
public boolean waitForCanceled(long timeout)
Waits for the object to be canceled.- Specified by:
waitForCanceled
in interfaceDNSStatefulObject
- Parameters:
timeout
- the maximum time to wait in milliseconds.- Returns:
true
if the object is canceled,false
otherwise
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.util.concurrent.locks.ReentrantLock
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