/**
* Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.master.position.impl;
import static com.google.common.collect.Maps.newHashMap;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import com.opengamma.core.change.AggregatingChangeManager;
import com.opengamma.core.change.ChangeManager;
import com.opengamma.id.ObjectIdentifiable;
import com.opengamma.id.UniqueId;
import com.opengamma.id.UniqueIdSchemeDelegator;
import com.opengamma.id.VersionCorrection;
import com.opengamma.master.position.ManageableTrade;
import com.opengamma.master.position.PositionDocument;
import com.opengamma.master.position.PositionHistoryRequest;
import com.opengamma.master.position.PositionHistoryResult;
import com.opengamma.master.position.PositionMaster;
import com.opengamma.master.position.PositionSearchRequest;
import com.opengamma.master.position.PositionSearchResult;
import com.opengamma.util.ArgumentChecker;
/**
* A master of positions that uses the scheme of the unique identifier to determine which
* underlying master should handle the request.
* <p>
* If no scheme-specific handler has been registered, a default is used.
* <p>
* Change events are aggregated from the different masters and presented through a single change manager.
*/
public class DelegatingPositionMaster extends UniqueIdSchemeDelegator<PositionMaster> implements PositionMaster {
/**
* The change manager.
*/
private final ChangeManager _changeManager;
/**
* Creates an instance specifying the default delegate.
*
* @param defaultMaster the master to use when no scheme matches, not null
*/
public DelegatingPositionMaster(PositionMaster defaultMaster) {
super(defaultMaster);
_changeManager = defaultMaster.changeManager();
}
/**
* Creates an instance specifying the default delegate.
*
* @param defaultMaster the master to use when no scheme matches, not null
* @param schemePrefixToMasterMap the map of masters by scheme to switch on, not null
*/
public DelegatingPositionMaster(PositionMaster defaultMaster, Map<String, PositionMaster> schemePrefixToMasterMap) {
super(defaultMaster, schemePrefixToMasterMap);
AggregatingChangeManager changeManager = new AggregatingChangeManager();
// REVIEW jonathan 2012-08-03 -- this assumes that the delegating master lasts for the lifetime of the engine as we
// never detach from the underlying change managers.
changeManager.addChangeManager(defaultMaster.changeManager());
for (PositionMaster master : schemePrefixToMasterMap.values()) {
changeManager.addChangeManager(master.changeManager());
}
_changeManager = changeManager;
}
//-------------------------------------------------------------------------
@Override
public PositionHistoryResult history(PositionHistoryRequest request) {
ArgumentChecker.notNull(request, "request");
return chooseDelegate(request.getObjectId().getScheme()).history(request);
}
@Override
public PositionSearchResult search(PositionSearchRequest request) {
ArgumentChecker.notNull(request, "request");
String uniqueIdScheme = request.getUniqueIdScheme();
if (uniqueIdScheme == null) {
return getDefaultDelegate().search(request);
}
return chooseDelegate(uniqueIdScheme).search(request);
}
@Override
public PositionDocument get(UniqueId uniqueId) {
ArgumentChecker.notNull(uniqueId, "uniqueId");
return chooseDelegate(uniqueId.getScheme()).get(uniqueId);
}
@Override
public PositionDocument get(ObjectIdentifiable objectId, VersionCorrection versionCorrection) {
ArgumentChecker.notNull(objectId, "objectId");
ArgumentChecker.notNull(versionCorrection, "versionCorrection");
return chooseDelegate(objectId.getObjectId().getScheme()).get(objectId, versionCorrection);
}
@Override
public PositionDocument add(PositionDocument document) {
ArgumentChecker.notNull(document, "document");
UniqueId uniqueId = document.getUniqueId();
if (uniqueId == null) {
return getDefaultDelegate().add(document);
}
return chooseDelegate(uniqueId.getScheme()).add(document);
}
@Override
public PositionDocument update(PositionDocument document) {
ArgumentChecker.notNull(document, "document");
return chooseDelegate(document.getObjectId().getScheme()).update(document);
}
@Override
public void remove(ObjectIdentifiable objectIdentifiable) {
ArgumentChecker.notNull(objectIdentifiable, "objectIdentifiable");
chooseDelegate(objectIdentifiable.getObjectId().getScheme()).remove(objectIdentifiable);
}
@Override
public PositionDocument correct(PositionDocument document) {
ArgumentChecker.notNull(document, "document");
return chooseDelegate(document.getObjectId().getScheme()).correct(document);
}
@Override
public ManageableTrade getTrade(UniqueId uniqueId) {
ArgumentChecker.notNull(uniqueId, "uniqueId");
return chooseDelegate(uniqueId.getScheme()).getTrade(uniqueId);
}
@Override
public ChangeManager changeManager() {
return _changeManager;
}
@Override
public UniqueId addVersion(ObjectIdentifiable objectId, PositionDocument documentToAdd) {
ArgumentChecker.notNull(objectId, "objectId");
ArgumentChecker.notNull(documentToAdd, "documentToAdd");
return chooseDelegate(objectId.getObjectId().getScheme()).addVersion(objectId, documentToAdd);
}
@Override
public List<UniqueId> replaceVersion(UniqueId uniqueId, List<PositionDocument> replacementDocuments) {
ArgumentChecker.notNull(uniqueId, "uniqueId");
ArgumentChecker.notNull(replacementDocuments, "replacementDocuments");
return chooseDelegate(uniqueId.getScheme()).replaceVersion(uniqueId, replacementDocuments);
}
@Override
public List<UniqueId> replaceAllVersions(ObjectIdentifiable objectId, List<PositionDocument> replacementDocuments) {
ArgumentChecker.notNull(objectId, "objectId");
ArgumentChecker.notNull(replacementDocuments, "replacementDocuments");
return chooseDelegate(objectId.getObjectId().getScheme()).replaceAllVersions(objectId, replacementDocuments);
}
@Override
public List<UniqueId> replaceVersions(ObjectIdentifiable objectId, List<PositionDocument> replacementDocuments) {
ArgumentChecker.notNull(objectId, "objectId");
ArgumentChecker.notNull(replacementDocuments, "replacementDocuments");
return chooseDelegate(objectId.getObjectId().getScheme()).replaceVersions(objectId, replacementDocuments);
}
@Override
public UniqueId replaceVersion(PositionDocument replacementDocument) {
ArgumentChecker.notNull(replacementDocument, "replacementDocument");
ArgumentChecker.notNull(replacementDocument.getObjectId(), "replacementDocument.getObjectId");
return chooseDelegate(replacementDocument.getObjectId().getScheme()).replaceVersion(replacementDocument);
}
@Override
public void removeVersion(UniqueId uniqueId) {
ArgumentChecker.notNull(uniqueId, "uniqueId");
chooseDelegate(uniqueId.getScheme()).removeVersion(uniqueId);
}
@Override
public Map<UniqueId, PositionDocument> get(Collection<UniqueId> uniqueIds) {
Map<UniqueId, PositionDocument> resultMap = newHashMap();
for (UniqueId uniqueId : uniqueIds) {
PositionDocument doc = get(uniqueId);
resultMap.put(uniqueId, doc);
}
return resultMap;
}
}