/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.master.marketdatasnapshot.impl;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.threeten.bp.Instant;
import com.google.common.base.Supplier;
import com.opengamma.DataNotFoundException;
import com.opengamma.core.change.BasicChangeManager;
import com.opengamma.core.change.ChangeManager;
import com.opengamma.core.change.ChangeType;
import com.opengamma.core.marketdatasnapshot.impl.ManageableMarketDataSnapshot;
import com.opengamma.id.ObjectId;
import com.opengamma.id.ObjectIdSupplier;
import com.opengamma.id.ObjectIdentifiable;
import com.opengamma.id.UniqueId;
import com.opengamma.id.VersionCorrection;
import com.opengamma.master.SimpleAbstractInMemoryMaster;
import com.opengamma.master.marketdatasnapshot.MarketDataSnapshotDocument;
import com.opengamma.master.marketdatasnapshot.MarketDataSnapshotHistoryRequest;
import com.opengamma.master.marketdatasnapshot.MarketDataSnapshotHistoryResult;
import com.opengamma.master.marketdatasnapshot.MarketDataSnapshotMaster;
import com.opengamma.master.marketdatasnapshot.MarketDataSnapshotSearchRequest;
import com.opengamma.master.marketdatasnapshot.MarketDataSnapshotSearchResult;
import com.opengamma.util.ArgumentChecker;
import com.opengamma.util.paging.Paging;
/**
* A simple, in-memory implementation of {@code MarketDataSnapshotMaster}.
* <p>
* This snapshot master does not support versioning of snapshots.
*/
public class InMemorySnapshotMaster
extends SimpleAbstractInMemoryMaster<MarketDataSnapshotDocument>
implements MarketDataSnapshotMaster {
//TODO: This is not hardened for production, as the data in the master can
// be altered from outside as it is the same object
/**
* The default scheme used for each {@link ObjectId}.
*/
public static final String DEFAULT_OID_SCHEME = "MemSnap";
/**
* Creates an instance.
*/
public InMemorySnapshotMaster() {
this(new ObjectIdSupplier(DEFAULT_OID_SCHEME));
}
/**
* Creates an instance specifying the change manager.
*
* @param changeManager the change manager, not null
*/
public InMemorySnapshotMaster(final ChangeManager changeManager) {
this(new ObjectIdSupplier(DEFAULT_OID_SCHEME), changeManager);
}
/**
* Creates an instance specifying the supplier of object identifiers.
*
* @param objectIdSupplier the supplier of object identifiers, not null
*/
public InMemorySnapshotMaster(final Supplier<ObjectId> objectIdSupplier) {
this(objectIdSupplier, new BasicChangeManager());
}
/**
* Creates an instance specifying the supplier of object identifiers and change manager.
*
* @param objectIdSupplier the supplier of object identifiers, not null
* @param changeManager the change manager, not null
*/
public InMemorySnapshotMaster(final Supplier<ObjectId> objectIdSupplier, final ChangeManager changeManager) {
super(objectIdSupplier, changeManager);
}
protected void validateScheme(final String scheme) {
}
protected void validateUniqueId(final UniqueId uniqueId) {
validateScheme(uniqueId.getScheme());
}
protected void validateObjectId(final ObjectId objectId) {
validateScheme(objectId.getScheme());
}
//-------------------------------------------------------------------------
@Override
public MarketDataSnapshotSearchResult search(final MarketDataSnapshotSearchRequest request) {
ArgumentChecker.notNull(request, "request");
final List<MarketDataSnapshotDocument> list = new ArrayList<MarketDataSnapshotDocument>();
for (MarketDataSnapshotDocument doc : _store.values()) {
if (request.matches(doc)) {
list.add(doc);
}
}
MarketDataSnapshotSearchResult result = new MarketDataSnapshotSearchResult();
result.setPaging(Paging.of(request.getPagingRequest(), list));
result.getDocuments().addAll(request.getPagingRequest().select(list));
return result;
}
//-------------------------------------------------------------------------
@Override
public MarketDataSnapshotDocument get(final UniqueId uniqueId) {
ArgumentChecker.notNull(uniqueId, "uniqueId");
validateUniqueId(uniqueId);
final MarketDataSnapshotDocument document = _store.get(uniqueId.getObjectId());
if (document == null || !document.getUniqueId().equals(uniqueId)) {
throw new DataNotFoundException("Snapshot not found: " + uniqueId);
}
return document;
}
//-------------------------------------------------------------------------
@Override
public MarketDataSnapshotDocument get(final ObjectIdentifiable objectId, final VersionCorrection versionCorrection) {
ArgumentChecker.notNull(objectId, "objectId");
ArgumentChecker.notNull(versionCorrection, "versionCorrection");
validateObjectId(objectId.getObjectId());
final MarketDataSnapshotDocument document = _store.get(objectId.getObjectId());
if (document == null) {
throw new DataNotFoundException("Snapshot not found: " + objectId);
}
return document;
}
//-------------------------------------------------------------------------
@Override
public MarketDataSnapshotDocument add(final MarketDataSnapshotDocument document) {
ArgumentChecker.notNull(document, "document");
ArgumentChecker.notNull(document.getSnapshot(), "document.snapshot");
final ObjectId objectId = _objectIdSupplier.get();
final UniqueId uniqueId = objectId.atVersion("");
final ManageableMarketDataSnapshot snapshot = document.getSnapshot();
snapshot.setUniqueId(uniqueId);
final Instant now = Instant.now();
final MarketDataSnapshotDocument doc = new MarketDataSnapshotDocument(snapshot);
doc.setVersionFromInstant(now);
doc.setCorrectionFromInstant(now);
_store.put(objectId, doc);
_changeManager.entityChanged(ChangeType.ADDED, objectId, doc.getVersionFromInstant(), doc.getVersionToInstant(), now);
return doc;
}
//-------------------------------------------------------------------------
@Override
public MarketDataSnapshotDocument update(final MarketDataSnapshotDocument document) {
ArgumentChecker.notNull(document, "document");
ArgumentChecker.notNull(document.getUniqueId(), "document.uniqueId");
ArgumentChecker.notNull(document.getSnapshot(), "document.snapshot");
final UniqueId uniqueId = document.getUniqueId();
validateUniqueId(uniqueId);
final Instant now = Instant.now();
final MarketDataSnapshotDocument storedDocument = _store.get(uniqueId.getObjectId());
if (storedDocument == null) {
throw new DataNotFoundException("Snapshot not found: " + uniqueId);
}
document.setVersionFromInstant(now);
document.setVersionToInstant(null);
document.setCorrectionFromInstant(now);
document.setCorrectionToInstant(null);
if (_store.replace(uniqueId.getObjectId(), storedDocument, document) == false) {
throw new IllegalArgumentException("Concurrent modification");
}
_changeManager.entityChanged(ChangeType.CHANGED, document.getObjectId(), document.getVersionFromInstant(), document.getVersionToInstant(), now);
return document;
}
//-------------------------------------------------------------------------
@Override
public void remove(ObjectIdentifiable objectIdentifiable) {
ArgumentChecker.notNull(objectIdentifiable, "objectIdentifiable");
validateObjectId(objectIdentifiable.getObjectId());
if (_store.remove(objectIdentifiable.getObjectId()) == null) {
throw new DataNotFoundException("Security not found: " + objectIdentifiable);
}
_changeManager.entityChanged(ChangeType.REMOVED, objectIdentifiable.getObjectId(), null, null, Instant.now());
}
//-------------------------------------------------------------------------
@Override
public MarketDataSnapshotDocument correct(final MarketDataSnapshotDocument document) {
return update(document);
}
//-------------------------------------------------------------------------
@Override
public MarketDataSnapshotHistoryResult history(final MarketDataSnapshotHistoryRequest request) {
ArgumentChecker.notNull(request, "request");
ArgumentChecker.notNull(request.getObjectId(), "request.objectId");
validateObjectId(request.getObjectId());
final MarketDataSnapshotDocument doc = _store.get(request.getObjectId());
final List<MarketDataSnapshotDocument> list = (doc != null) ? Collections.singletonList(doc) : Collections.<MarketDataSnapshotDocument>emptyList();
final MarketDataSnapshotHistoryResult result = new MarketDataSnapshotHistoryResult();
result.setPaging(Paging.of(request.getPagingRequest(), list));
result.getDocuments().addAll(list);
return result;
}
@Override
protected void validateDocument(MarketDataSnapshotDocument document) {
ArgumentChecker.notNull(document, "document");
ArgumentChecker.notNull(document.getSnapshot(), "document.snapshot");
}
}