Java tutorial
/** * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies * * Please see distribution for license. */ package com.opengamma.masterdb.portfolio; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Timestamp; import java.sql.Types; import java.util.ArrayList; import java.util.EnumMap; import java.util.HashSet; import java.util.LinkedHashSet; import java.util.List; import java.util.Map.Entry; import java.util.Set; import java.util.Stack; import java.util.concurrent.atomic.AtomicInteger; import org.apache.commons.lang.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.dao.DataAccessException; import org.springframework.jdbc.core.ResultSetExtractor; import org.springframework.jdbc.core.namedparam.NamedParameterJdbcOperations; import org.threeten.bp.Instant; import com.google.common.base.Objects; import com.google.common.collect.Lists; import com.opengamma.DataNotFoundException; import com.opengamma.elsql.ElSqlBundle; import com.opengamma.id.ObjectId; import com.opengamma.id.ObjectIdentifiable; import com.opengamma.id.UniqueId; import com.opengamma.id.VersionCorrection; import com.opengamma.master.AbstractHistoryRequest; import com.opengamma.master.AbstractHistoryResult; import com.opengamma.master.DocumentVisibility; import com.opengamma.master.portfolio.ManageablePortfolio; import com.opengamma.master.portfolio.ManageablePortfolioNode; import com.opengamma.master.portfolio.PortfolioDocument; import com.opengamma.master.portfolio.PortfolioHistoryRequest; import com.opengamma.master.portfolio.PortfolioHistoryResult; import com.opengamma.master.portfolio.PortfolioMaster; import com.opengamma.master.portfolio.PortfolioSearchRequest; import com.opengamma.master.portfolio.PortfolioSearchResult; import com.opengamma.master.portfolio.PortfolioSearchSortOrder; import com.opengamma.masterdb.AbstractDocumentDbMaster; import com.opengamma.util.ArgumentChecker; import com.opengamma.util.db.DbConnector; import com.opengamma.util.db.DbDateUtils; import com.opengamma.util.db.DbMapSqlParameterSource; import com.opengamma.util.paging.Paging; import com.opengamma.util.tuple.LongObjectPair; /** * A portfolio master implementation using a database for persistence. * <p> * This is a full implementation of the portfolio master using an SQL database. Full details of the API are in {@link PortfolioMaster}. * <p> * The SQL is stored externally in {@code DbPortfolioMaster.elsql}. Alternate databases or specific SQL requirements can be handled using database specific overrides, such as * {@code DbPortfolioMaster-MySpecialDB.elsql}. * <p> * This class is mutable but must be treated as immutable after configuration. */ public class DbPortfolioMaster extends AbstractDocumentDbMaster<PortfolioDocument> implements PortfolioMaster { /** Logger. */ private static final Logger s_logger = LoggerFactory.getLogger(DbPortfolioMaster.class); /** * The default scheme for unique identifiers. */ public static final String IDENTIFIER_SCHEME_DEFAULT = "DbPrt"; /** * SQL order by. */ protected static final EnumMap<PortfolioSearchSortOrder, String> ORDER_BY_MAP = new EnumMap<PortfolioSearchSortOrder, String>( PortfolioSearchSortOrder.class); static { ORDER_BY_MAP.put(PortfolioSearchSortOrder.OBJECT_ID_ASC, "oid ASC"); ORDER_BY_MAP.put(PortfolioSearchSortOrder.OBJECT_ID_DESC, "oid DESC"); ORDER_BY_MAP.put(PortfolioSearchSortOrder.VERSION_FROM_INSTANT_ASC, "ver_from_instant ASC"); ORDER_BY_MAP.put(PortfolioSearchSortOrder.VERSION_FROM_INSTANT_DESC, "ver_from_instant DESC"); ORDER_BY_MAP.put(PortfolioSearchSortOrder.NAME_ASC, "name ASC"); ORDER_BY_MAP.put(PortfolioSearchSortOrder.NAME_DESC, "name DESC"); } /** * Creates an instance. * * @param dbConnector the database connector, not null */ public DbPortfolioMaster(final DbConnector dbConnector) { super(dbConnector, IDENTIFIER_SCHEME_DEFAULT); setElSqlBundle(ElSqlBundle.of(dbConnector.getDialect().getElSqlConfig(), DbPortfolioMaster.class)); } //------------------------------------------------------------------------- @Override public PortfolioSearchResult search(final PortfolioSearchRequest request) { ArgumentChecker.notNull(request, "request"); ArgumentChecker.notNull(request.getPagingRequest(), "request.pagingRequest"); ArgumentChecker.notNull(request.getVersionCorrection(), "request.versionCorrection"); s_logger.debug("search {}", request); final VersionCorrection vc = request.getVersionCorrection().withLatestFixed(now()); final PortfolioSearchResult result = new PortfolioSearchResult(vc); final List<ObjectId> portfolioObjectIds = request.getPortfolioObjectIds(); final List<ObjectId> nodeObjectIds = request.getNodeObjectIds(); if ((portfolioObjectIds != null && portfolioObjectIds.size() == 0) || (nodeObjectIds != null && nodeObjectIds.size() == 0)) { result.setPaging(Paging.of(request.getPagingRequest(), 0)); return result; } final DbMapSqlParameterSource args = new DbMapSqlParameterSource() .addTimestamp("version_as_of_instant", vc.getVersionAsOf()) .addTimestamp("corrected_to_instant", vc.getCorrectedTo()) .addValueNullIgnored("name", getDialect().sqlWildcardAdjustValue(request.getName())); if (request.getDepth() >= 0) { args.addValue("depth", request.getDepth()); } if (portfolioObjectIds != null) { StringBuilder buf = new StringBuilder(portfolioObjectIds.size() * 10); for (ObjectId objectId : portfolioObjectIds) { checkScheme(objectId); buf.append(extractOid(objectId)).append(", "); } buf.setLength(buf.length() - 2); args.addValue("sql_search_portfolio_ids", buf.toString()); } if (nodeObjectIds != null) { StringBuilder buf = new StringBuilder(nodeObjectIds.size() * 10); for (ObjectId objectId : nodeObjectIds) { checkScheme(objectId); buf.append(extractOid(objectId)).append(", "); } buf.setLength(buf.length() - 2); args.addValue("sql_search_node_ids", buf.toString()); } args.addValue("visibility", request.getVisibility().getVisibilityLevel()); args.addValue("sort_order", ORDER_BY_MAP.get(request.getSortOrder())); args.addValue("paging_offset", request.getPagingRequest().getFirstItem()); args.addValue("paging_fetch", request.getPagingRequest().getPagingSize()); if (request.isIncludePositions()) { String[] sql = { getElSqlBundle().getSql("Search", args), getElSqlBundle().getSql("SearchCount", args) }; doSearch(request.getPagingRequest(), sql, args, new PortfolioDocumentExtractor(true, true), result); } else { String[] sql = { getElSqlBundle().getSql("SearchNoPositions", args), getElSqlBundle().getSql("SearchCount", args) }; doSearch(request.getPagingRequest(), sql, args, new PortfolioDocumentExtractor(false, true), result); } return result; } //------------------------------------------------------------------------- @Override public PortfolioDocument get(final UniqueId uniqueId) { return doGet(uniqueId, new PortfolioDocumentExtractor(true, true), "Portfolio"); } //------------------------------------------------------------------------- @Override public PortfolioDocument get(final ObjectIdentifiable objectId, final VersionCorrection versionCorrection) { return doGetByOidInstants(objectId, versionCorrection, new PortfolioDocumentExtractor(true, true), "Portfolio"); } //------------------------------------------------------------------------- @Override public PortfolioHistoryResult history(final PortfolioHistoryRequest request) { return doHistory(request, new PortfolioHistoryResult(), new PortfolioDocumentExtractor(true, true)); } @Override protected DbMapSqlParameterSource argsHistory(AbstractHistoryRequest request) { DbMapSqlParameterSource args = super.argsHistory(request); int depth = ((PortfolioHistoryRequest) request).getDepth(); if (depth >= 0) { args.addValue("depth", depth); } return args; } //------------------------------------------------------------------------- /** * Inserts a new document. * * @param document the document, not null * @return the new document, not null */ @Override protected PortfolioDocument insert(final PortfolioDocument document) { ArgumentChecker.notNull(document.getPortfolio(), "document.portfolio"); ArgumentChecker.notNull(document.getPortfolio().getRootNode(), "document.portfolio.rootNode"); final Long portfolioId = nextId("prt_master_seq"); final Long portfolioOid = (document.getUniqueId() != null ? extractOid(document.getUniqueId()) : portfolioId); final UniqueId portfolioUid = createUniqueId(portfolioOid, portfolioId); // the arguments for inserting into the portfolio table final DbMapSqlParameterSource docArgs = new DbMapSqlParameterSource().addValue("portfolio_id", portfolioId) .addValue("portfolio_oid", portfolioOid) .addTimestamp("ver_from_instant", document.getVersionFromInstant()) .addTimestampNullFuture("ver_to_instant", document.getVersionToInstant()) .addTimestamp("corr_from_instant", document.getCorrectionFromInstant()) .addTimestampNullFuture("corr_to_instant", document.getCorrectionToInstant()) .addValue("name", StringUtils.defaultString(document.getPortfolio().getName())) .addValue("visibility", document.getVisibility().getVisibilityLevel()); // the arguments for inserting into the node table final List<DbMapSqlParameterSource> nodeList = new ArrayList<DbMapSqlParameterSource>(256); final List<DbMapSqlParameterSource> posList = new ArrayList<DbMapSqlParameterSource>(256); insertBuildArgs(portfolioUid, null, document.getPortfolio().getRootNode(), document.getUniqueId() != null, portfolioId, portfolioOid, null, null, new AtomicInteger(1), 0, nodeList, posList); // the arguments for inserting into the portifolio_attribute table final List<DbMapSqlParameterSource> prtAttrList = Lists.newArrayList(); for (Entry<String, String> entry : document.getPortfolio().getAttributes().entrySet()) { final long prtAttrId = nextId("prt_portfolio_attr_seq"); final DbMapSqlParameterSource posAttrArgs = new DbMapSqlParameterSource().addValue("attr_id", prtAttrId) .addValue("portfolio_id", portfolioId).addValue("portfolio_oid", portfolioOid) .addValue("key", entry.getKey()).addValue("value", entry.getValue()); prtAttrList.add(posAttrArgs); } // insert final String sqlDoc = getElSqlBundle().getSql("Insert", docArgs); final String sqlNode = getElSqlBundle().getSql("InsertNode"); final String sqlPosition = getElSqlBundle().getSql("InsertPosition"); final String sqlAttributes = getElSqlBundle().getSql("InsertAttribute"); getJdbcTemplate().update(sqlDoc, docArgs); getJdbcTemplate().batchUpdate(sqlNode, nodeList.toArray(new DbMapSqlParameterSource[nodeList.size()])); getJdbcTemplate().batchUpdate(sqlPosition, posList.toArray(new DbMapSqlParameterSource[posList.size()])); getJdbcTemplate().batchUpdate(sqlAttributes, prtAttrList.toArray(new DbMapSqlParameterSource[prtAttrList.size()])); // set the uniqueId document.getPortfolio().setUniqueId(portfolioUid); document.setUniqueId(portfolioUid); return document; } /** * Recursively create the arguments to insert into the tree existing nodes. * * @param portfolioUid the portfolio unique identifier, not null * @param parentNodeUid the parent node unique identifier, not null * @param node the root node, not null * @param update true if updating portfolio, false if adding new portfolio * @param portfolioId the portfolio id, not null * @param portfolioOid the portfolio oid, not null * @param parentNodeId the parent node id, null if root node * @param parentNodeOid the parent node oid, null if root node * @param counter the counter to create the node id, use {@code getAndIncrement}, not null * @param depth the depth of the node in the portfolio * @param argsList the list of arguments to build, not null * @param posList the list of arguments to for inserting positions, not null */ protected void insertBuildArgs(final UniqueId portfolioUid, final UniqueId parentNodeUid, final ManageablePortfolioNode node, final boolean update, final Long portfolioId, final Long portfolioOid, final Long parentNodeId, final Long parentNodeOid, final AtomicInteger counter, final int depth, final List<DbMapSqlParameterSource> argsList, final List<DbMapSqlParameterSource> posList) { // need to insert parent before children for referential integrity final Long nodeId = nextId("prt_master_seq"); final Long nodeOid = (update && node.getUniqueId() != null ? extractOid(node.getUniqueId()) : nodeId); UniqueId nodeUid = createUniqueId(nodeOid, nodeId); node.setUniqueId(nodeUid); node.setParentNodeId(parentNodeUid); node.setPortfolioId(portfolioUid); final DbMapSqlParameterSource treeArgs = new DbMapSqlParameterSource().addValue("node_id", nodeId) .addValue("node_oid", nodeOid).addValue("portfolio_id", portfolioId) .addValue("portfolio_oid", portfolioOid).addValue("parent_node_id", parentNodeId, Types.BIGINT) .addValue("parent_node_oid", parentNodeOid, Types.BIGINT).addValue("depth", depth) .addValue("name", StringUtils.defaultString(node.getName())); argsList.add(treeArgs); // store position links Set<ObjectId> positionIds = new LinkedHashSet<ObjectId>(node.getPositionIds()); node.getPositionIds().clear(); node.getPositionIds().addAll(positionIds); for (ObjectId positionId : positionIds) { final DbMapSqlParameterSource posArgs = new DbMapSqlParameterSource().addValue("node_id", nodeId) .addValue("key_scheme", positionId.getScheme()).addValue("key_value", positionId.getValue()); posList.add(posArgs); } // store the left/right before/after the child loop and back fill into stored args row treeArgs.addValue("tree_left", counter.getAndIncrement()); for (ManageablePortfolioNode childNode : node.getChildNodes()) { insertBuildArgs(portfolioUid, nodeUid, childNode, update, portfolioId, portfolioOid, nodeId, nodeOid, counter, depth + 1, argsList, posList); } treeArgs.addValue("tree_right", counter.getAndIncrement()); } //------------------------------------------------------------------------- @Override public ManageablePortfolioNode getNode(final UniqueId uniqueId) { ArgumentChecker.notNull(uniqueId, "uniqueId"); checkScheme(uniqueId); if (uniqueId.isVersioned()) { return getNodeById(uniqueId); } else { return getNodeByInstants(uniqueId, null, null); } } /** * Gets a node by searching for the latest version of an object identifier. * * @param uniqueId the unique identifier, not null * @param versionAsOf the instant to fetch, not null * @param correctedTo the instant to fetch, not null * @return the node, null if not found */ protected ManageablePortfolioNode getNodeByInstants(final UniqueId uniqueId, final Instant versionAsOf, final Instant correctedTo) { s_logger.debug("getNodeByLatest {}", uniqueId); final Instant now = now(); final DbMapSqlParameterSource args = new DbMapSqlParameterSource() .addValue("node_oid", extractOid(uniqueId)) .addTimestamp("version_as_of_instant", Objects.firstNonNull(versionAsOf, now)) .addTimestamp("corrected_to_instant", Objects.firstNonNull(correctedTo, now)); final PortfolioDocumentExtractor extractor = new PortfolioDocumentExtractor(true, false); final NamedParameterJdbcOperations namedJdbc = getDbConnector().getJdbcTemplate(); final String sql = getElSqlBundle().getSql("GetNodeByOidInstants", args); final List<PortfolioDocument> docs = namedJdbc.query(sql, args, extractor); if (docs.isEmpty()) { throw new DataNotFoundException("Node not found: " + uniqueId); } return docs.get(0).getPortfolio().getRootNode(); // SQL loads desired node in place of the root node } /** * Gets a node by identifier. * * @param uniqueId the unique identifier, not null * @return the node, null if not found */ protected ManageablePortfolioNode getNodeById(final UniqueId uniqueId) { s_logger.debug("getNodeById {}", uniqueId); final DbMapSqlParameterSource args = new DbMapSqlParameterSource().addValue("node_id", extractRowId(uniqueId)); final PortfolioDocumentExtractor extractor = new PortfolioDocumentExtractor(true, false); final NamedParameterJdbcOperations namedJdbc = getDbConnector().getJdbcTemplate(); final String sql = getElSqlBundle().getSql("GetNodeById", args); final List<PortfolioDocument> docs = namedJdbc.query(sql, args, extractor); if (docs.isEmpty()) { throw new DataNotFoundException("Node not found: " + uniqueId); } return docs.get(0).getPortfolio().getRootNode(); // SQL loads desired node in place of the root node } //------------------------------------------------------------------------- /** * Mapper from SQL rows to a PortfolioDocument. */ protected final class PortfolioDocumentExtractor implements ResultSetExtractor<List<PortfolioDocument>> { private final boolean _includePosition; private final boolean _complete; private long _lastPortfolioId = -1; private long _lastNodeId = -1; private ManageablePortfolio _portfolio; private ManageablePortfolioNode _node; private Set<ObjectId> _nodePositionIds; //Should always === _node.getPositionIds(), but has fast contains private List<PortfolioDocument> _documents = new ArrayList<PortfolioDocument>(); private final Stack<LongObjectPair<ManageablePortfolioNode>> _nodes = new Stack<LongObjectPair<ManageablePortfolioNode>>(); public PortfolioDocumentExtractor(boolean includePositions, boolean complete) { _includePosition = includePositions; _complete = complete; } @Override public List<PortfolioDocument> extractData(ResultSet rs) throws SQLException, DataAccessException { while (rs.next()) { final long portfolioId = rs.getLong("PORTFOLIO_ID"); final long nodeId = rs.getLong("NODE_ID"); if (_lastPortfolioId != portfolioId) { _lastPortfolioId = portfolioId; buildPortfolio(rs, portfolioId); } if (_lastNodeId != nodeId) { _lastNodeId = nodeId; buildNode(rs, nodeId); } if (_includePosition) { final String posIdScheme = rs.getString("POS_KEY_SCHEME"); final String posIdValue = rs.getString("POS_KEY_VALUE"); if (posIdScheme != null && posIdValue != null) { ObjectId id = ObjectId.of(posIdScheme, posIdValue); if (_nodePositionIds.add(id)) { _node.addPosition(id); assert (_nodePositionIds.size() == _node.getPositionIds().size()); } } } final String prtAttrKey = rs.getString("PRT_ATTR_KEY"); final String prtAttrValue = rs.getString("PRT_ATTR_VALUE"); if (prtAttrKey != null && prtAttrValue != null) { _portfolio.addAttribute(prtAttrKey, prtAttrValue); } } return _documents; } private void buildPortfolio(final ResultSet rs, final long portfolioId) throws SQLException { final long portfolioOid = rs.getLong("PORTFOLIO_OID"); final Timestamp versionFrom = rs.getTimestamp("VER_FROM_INSTANT"); final Timestamp versionTo = rs.getTimestamp("VER_TO_INSTANT"); final Timestamp correctionFrom = rs.getTimestamp("CORR_FROM_INSTANT"); final Timestamp correctionTo = rs.getTimestamp("CORR_TO_INSTANT"); final String name = StringUtils.defaultString(rs.getString("PORTFOLIO_NAME")); final DocumentVisibility visibility = DocumentVisibility.ofLevel(rs.getShort("VISIBILITY")); _portfolio = new ManageablePortfolio(name); _portfolio.setUniqueId(createUniqueId(portfolioOid, portfolioId)); final PortfolioDocument doc = new PortfolioDocument(_portfolio); doc.setVersionFromInstant(DbDateUtils.fromSqlTimestamp(versionFrom)); doc.setVersionToInstant(DbDateUtils.fromSqlTimestampNullFarFuture(versionTo)); doc.setCorrectionFromInstant(DbDateUtils.fromSqlTimestamp(correctionFrom)); doc.setCorrectionToInstant(DbDateUtils.fromSqlTimestampNullFarFuture(correctionTo)); doc.setVisibility(visibility); _documents.add(doc); _nodes.clear(); } private void buildNode(final ResultSet rs, final long nodeId) throws SQLException { final long nodeOid = rs.getLong("NODE_OID"); final long treeLeft = rs.getLong("TREE_LEFT"); final long treeRight = rs.getLong("TREE_RIGHT"); final String name = StringUtils.defaultString(rs.getString("NODE_NAME")); _node = new ManageablePortfolioNode(name); _nodePositionIds = new HashSet<ObjectId>(); //To maintain invariant this becomes is empty _node.setUniqueId(createUniqueId(nodeOid, nodeId)); _node.setPortfolioId(_portfolio.getUniqueId()); if (_nodes.size() == 0) { if (_complete == false) { final Long parentNodeId = (Long) rs.getObject("PARENT_NODE_ID"); final Long parentNodeOid = (Long) rs.getObject("PARENT_NODE_OID"); if (parentNodeId != null && parentNodeOid != null) { _node.setParentNodeId(createUniqueId(parentNodeOid, parentNodeId)); } } _portfolio.setRootNode(_node); } else { while (treeLeft > _nodes.peek().first) { _nodes.pop(); } final ManageablePortfolioNode parentNode = _nodes.peek().second; _node.setParentNodeId(parentNode.getUniqueId()); parentNode.addChildNode(_node); } // add to stack _nodes.push(LongObjectPair.of(treeRight, _node)); } } @Override protected AbstractHistoryResult<PortfolioDocument> historyByVersionsCorrections( AbstractHistoryRequest request) { PortfolioHistoryRequest historyRequest = new PortfolioHistoryRequest(); historyRequest.setCorrectionsFromInstant(request.getCorrectionsFromInstant()); historyRequest.setCorrectionsToInstant(request.getCorrectionsToInstant()); historyRequest.setVersionsFromInstant(request.getVersionsFromInstant()); historyRequest.setVersionsToInstant(request.getVersionsToInstant()); historyRequest.setObjectId(request.getObjectId()); return history(historyRequest); } }