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org.apache.cxf.clustering
Class AbstractStaticFailoverStrategy

java.lang.Object
  extended by org.apache.cxf.clustering.AbstractStaticFailoverStrategy
All Implemented Interfaces:
FailoverStrategy
Direct Known Subclasses:
RandomStrategy, SequentialStrategy
public abstract class AbstractStaticFailoverStrategy
extends Object
implements FailoverStrategy

Failover strategy based on a static cluster represented by multiple endpoints associated with the same service instance.

Constructor Summary
AbstractStaticFailoverStrategy()
           
 
Method Summary
 List<String> getAlternateAddresses(Exchange exchange)
          Get the alternate addresses for this invocation.
 List<Endpoint> getAlternateEndpoints(Exchange exchange)
          Get the alternate endpoints for this invocation.
 long getDelayBetweenRetries()
           
protected  List<Endpoint> getEndpoints(Exchange exchange, boolean acceptCandidatesWithSameAddress)
          Get the endpoints for this invocation.
protected abstract
<T> T
getNextAlternate(List<T> alternates)
          Get next alternate endpoint.
 String selectAlternateAddress(List<String> alternates)
          Select one of the alternate addresses for a retried invocation.
 Endpoint selectAlternateEndpoint(List<Endpoint> alternates)
          Select one of the alternate endpoints for a retried invocation.
 void setAlternateAddresses(List<String> alternateAddresses)
           
 void setDelayBetweenRetries(long delay)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AbstractStaticFailoverStrategy

public AbstractStaticFailoverStrategy()
Method Detail

setDelayBetweenRetries

public void setDelayBetweenRetries(long delay)

getDelayBetweenRetries

public long getDelayBetweenRetries()

setAlternateAddresses

public void setAlternateAddresses(List<String> alternateAddresses)

getAlternateAddresses

public List<String> getAlternateAddresses(Exchange exchange)
Get the alternate addresses for this invocation.

Specified by:
getAlternateAddresses in interface FailoverStrategy
Parameters:
exchange - the current Exchange
Returns:
a List of alternate addresses if available

selectAlternateAddress

public String selectAlternateAddress(List<String> alternates)
Select one of the alternate addresses for a retried invocation.

Specified by:
selectAlternateAddress in interface FailoverStrategy
Parameters:
a - List of alternate addresses if available
Returns:
the selected address

getAlternateEndpoints

public List<Endpoint> getAlternateEndpoints(Exchange exchange)
Get the alternate endpoints for this invocation.

Specified by:
getAlternateEndpoints in interface FailoverStrategy
Parameters:
exchange - the current Exchange
Returns:
a List of alternate endpoints if available

selectAlternateEndpoint

public Endpoint selectAlternateEndpoint(List<Endpoint> alternates)
Select one of the alternate endpoints for a retried invocation.

Specified by:
selectAlternateEndpoint in interface FailoverStrategy
Parameters:
a - List of alternate endpoints if available
Returns:
the selected endpoint

getEndpoints

protected List<Endpoint> getEndpoints(Exchange exchange,
                                      boolean acceptCandidatesWithSameAddress)
Get the endpoints for this invocation.

Parameters:
exchange - the current Exchange
acceptCandidatesWithSameAddress - true to accept candidates with the same address
Returns:
a List of alternate endpoints if available

getNextAlternate

protected abstract <T> T getNextAlternate(List<T> alternates)
Get next alternate endpoint.

Parameters:
alternates - non-empty List of alternate endpoints
Returns:
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