net.di2e.ecdr.federation

Class AbstractFederationStrategy

Show UML class diagram

java.lang.Object

net.di2e.ecdr.federation.AbstractFederationStrategy

All Implemented Interfaces:

ddf.catalog.federation.FederationStrategy, NormalizingFederationStrategy

Direct Known Subclasses:

NormalizingSortedFederationStrategy

public abstract class AbstractFederationStrategy
extends Object
implements NormalizingFederationStrategy

This class serves as a base implementation of the FederationStrategy interface. Other classes can extend this class to create specific attributes to sort by.

Constructor Summary

Constructors

Constructor and Description
AbstractFederationStrategy(ExecutorService executor, List<ddf.catalog.plugin.PreFederatedQueryPlugin> preQuery, List<ddf.catalog.plugin.PostFederatedQueryPlugin> postQuery) Instantiates an AbstractFederationStrategy with the provided ExecutorService.

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract Runnable	createMonitor(ExecutorService exceutor, Map<ddf.catalog.source.Source,Future<ddf.catalog.operation.SourceResponse>> futures, ddf.catalog.operation.impl.QueryResponseImpl returnResults, ddf.catalog.operation.Query query) Creates the monitor for federated queries.
ddf.catalog.operation.QueryResponse	federate(List<ddf.catalog.source.Source> sources, ddf.catalog.operation.QueryRequest queryRequest)
void	setMaxStartIndex(int maxIndex) To be set via Spring/Blueprint

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface net.di2e.ecdr.federation.api.NormalizingFederationStrategy

setNormalizeResults

Constructor Detail

AbstractFederationStrategy

public AbstractFederationStrategy(ExecutorService executor,
                          List<ddf.catalog.plugin.PreFederatedQueryPlugin> preQuery,
                          List<ddf.catalog.plugin.PostFederatedQueryPlugin> postQuery)

Instantiates an AbstractFederationStrategy with the provided ExecutorService.

Parameters:

queryExecutorService - the ExecutorService for queries

Method Detail

createMonitor

protected abstract Runnable createMonitor(ExecutorService exceutor,
                     Map<ddf.catalog.source.Source,Future<ddf.catalog.operation.SourceResponse>> futures,
                     ddf.catalog.operation.impl.QueryResponseImpl returnResults,
                     ddf.catalog.operation.Query query)

Creates the monitor for federated queries.

Parameters:

queryExecutorService -

futures -

returnResults - the query results

query -

Returns:

the Runnable

federate

public ddf.catalog.operation.QueryResponse federate(List<ddf.catalog.source.Source> sources,
                                           ddf.catalog.operation.QueryRequest queryRequest)

Specified by:

federate in interface ddf.catalog.federation.FederationStrategy

setMaxStartIndex

public void setMaxStartIndex(int maxIndex)

To be set via Spring/Blueprint

Parameters:

maxStartIndex - the new default max start index value