ddf.catalog.federation.impl

Class SortedFederationStrategy

java.lang.Object

ddf.catalog.federation.base.AbstractFederationStrategy

ddf.catalog.federation.impl.SortedFederationStrategy

All Implemented Interfaces:

FederationStrategy

Deprecated.

This federation strategy has been left for historical purposes. Refer to the CachingFederationStrategy provided by the catalog-core-standardframework bundle.

@Deprecated
public class SortedFederationStrategy
extends AbstractFederationStrategy

This class represents a FederationStrategy based on sorting Metacards. The sorting is based on the Query's SortBy propertyName. The possible sorting values are Metacard.EFFECTIVE, Result.TEMPORAL, Result.DISTANCE, or Result.RELEVANCE . The supported ordering includes SortOrder.DESCENDING and SortOrder.ASCENDING. For this class to function properly a sort value and sort order must be provided.

See Also:

Metacard, Query, SortBy

Field Summary

Fields

Modifier and Type	Field and Description
protected static Comparator<Result>	DEFAULT_COMPARATOR Deprecated. The default comparator for sorting by Result.RELEVANCE, SortOrder.DESCENDING

Fields inherited from class ddf.catalog.federation.base.AbstractFederationStrategy

postQuery, preQuery

Constructor Summary

Constructors

Constructor and Description
SortedFederationStrategy(ExecutorService queryExecutorService, List<PreFederatedQueryPlugin> preQuery, List<PostFederatedQueryPlugin> postQuery) Deprecated. Instantiates a SortedFederationStrategy with the provided ExecutorService.

Method Summary

Modifier and Type	Method and Description
protected Runnable	createMonitor(ExecutorService pool, Map<Source,Future<SourceResponse>> futures, QueryResponseImpl returnResults, Query query) Deprecated. Creates the monitor for federated queries.

Methods inherited from class ddf.catalog.federation.base.AbstractFederationStrategy

federate, setMaxStartIndex

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_COMPARATOR

protected static final Comparator<Result> DEFAULT_COMPARATOR

Deprecated.

The default comparator for sorting by Result.RELEVANCE, SortOrder.DESCENDING

Constructor Detail

SortedFederationStrategy

public SortedFederationStrategy(ExecutorService queryExecutorService,
                                List<PreFederatedQueryPlugin> preQuery,
                                List<PostFederatedQueryPlugin> postQuery)

Deprecated.

Instantiates a SortedFederationStrategy with the provided ExecutorService.

Parameters:

queryExecutorService - the ExecutorService for queries

Method Detail

createMonitor

protected Runnable createMonitor(ExecutorService pool,
                                 Map<Source,Future<SourceResponse>> futures,
                                 QueryResponseImpl returnResults,
                                 Query query)

Deprecated.

Description copied from class: AbstractFederationStrategy

Creates the monitor for federated queries.

Specified by:

createMonitor in class AbstractFederationStrategy

returnResults - the query results

Returns:

the Runnable