com.attivio.sdk.server.global

Interface GlobalVariable

All Superinterfaces:

AutoCloseable, Closeable

Deprecated.

This API should no longer be used and is scheduled for removal in a future release

@Deprecated
public interface GlobalVariable
extends Closeable

A variable that is accessible across multiple AIE Nodes in a cluster. The value of the variable will persist across restarts of the system. GlobalVariables should be created via a reference to a GlobalDataStructureFactory that will be provided by the AIE Node to components that implement GlobalDataStructureFactoryAware.

Method Summary

Modifier and Type	Method and Description
boolean	compareAndSet(String expectedValue, String newValue) Deprecated. Same semantics as AtomicReference.compareAndSet(Object, Object).
String	getCurrentValue() Deprecated. Returns the current value of the variable or null if not set.
void	listen(VariableListener listener) Deprecated. Registers a VariableListener that will be called when the value of this GlobalVariable is changed.
void	set(String value) Deprecated. Add or updates the value to the new value specified.

Methods inherited from interface java.io.Closeable

close

Method Detail

listen

void listen(VariableListener listener)
     throws AttivioException

Deprecated.

Registers a VariableListener that will be called when the value of this GlobalVariable is changed. The listener will always be called with the current value as part of this registration.

Throws:

AttivioException

set

void set(String value)
  throws AttivioException

Deprecated.

Add or updates the value to the new value specified. Set to null to delete the value.

Throws:

AttivioException

getCurrentValue

String getCurrentValue()
                throws AttivioException

Deprecated.

Returns the current value of the variable or null if not set.

Throws:

AttivioException

compareAndSet

boolean compareAndSet(String expectedValue,
                      String newValue)
               throws AttivioException

Deprecated.

Same semantics as AtomicReference.compareAndSet(Object, Object).

Throws:

AttivioException