Package org.eclipse.persistence.queries

Examples of org.eclipse.persistence.queries.DatabaseQuery

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     * @param dbwsService      the given <code>DBWSService</code>
     * @param queryOperation the given <code>QueryOperation</code>
     */
    public void initializeDatabaseQuery(XRServiceAdapter xrService, QueryOperation queryOperation) {

        DatabaseQuery databaseQueryToInitialize;

        if (queryOperation.hasResponse()) {
            QName type = queryOperation.getResult().getType();
            if (queryOperation.isCollection()) {
                if (queryOperation.isSimpleXMLFormat()) {
                    // data-read query
                    databaseQueryToInitialize = new DataReadQuery();
                }
                else {
                    if (!xrService.descriptorsByQName.containsKey(type)) {
                        // data-read query
                        databaseQueryToInitialize = new DataReadQuery();
                    }
                    else {
                        // read-all query for the class mapped to the type
                        databaseQueryToInitialize =
                            new ReadAllQuery(xrService.getTypeClass(type));
                    }
                }
            }
            else {
                if (queryOperation.isSimpleXMLFormat()) {
                    // data-read query
                    databaseQueryToInitialize = new DataReadQuery();
                }
                else if (!xrService.descriptorsByQName.containsKey(type)) {
                    // value read query
                    databaseQueryToInitialize = new ValueReadQuery();
                }
                else {
                    // read object query for the class mapped to the type
                    databaseQueryToInitialize = new ReadObjectQuery(xrService.getTypeClass(type));
                }
            }
        }
        else {
            databaseQueryToInitialize = new DataModifyQuery();
        }
        databaseQueryToInitialize.bindAllParameters();
        setDatabaseQuery(databaseQueryToInitialize);
    }
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     */
    public static DatabaseQuery apply(Map<String, Object> hints, DatabaseQuery query, ClassLoader loader) {
        if (hints == null) {
            return query;
        }
        DatabaseQuery hintQuery = query;
        for (Map.Entry<String, Object> entry : hints.entrySet()) {
            String hintName = entry.getKey();
            if (entry.getValue() instanceof Object[]) {
                Object[] values = (Object[])entry.getValue();
                for (int index = 0; index < values.length; index++) {
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        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader) {
            if (valueToApply.equals(QueryType.DEFAULT)) {
                return query;
            }
            // Allows an query type, or a custom query class.
            DatabaseQuery newQuery = query;
            if (valueToApply.equals(QueryType.ReadAll)) {
                newQuery = new ReadAllQuery();
            } else if (valueToApply.equals(QueryType.ReadObject)) {
                newQuery = new ReadObjectQuery();
            } else if (valueToApply.equals(QueryType.Report)) {
                newQuery = new ReportQuery();
                if (query.isObjectLevelReadQuery()) {
                    ((ReportQuery)newQuery).addAttribute("root", ((ReportQuery)newQuery).getExpressionBuilder());
                }
            } else if (valueToApply.equals(QueryType.ResultSetMapping)) {
                newQuery = new ResultSetMappingQuery();
            } else if (valueToApply.equals(QueryType.UpdateAll)) {
                newQuery = new UpdateAllQuery();
            } else if (valueToApply.equals(QueryType.DeleteAll)) {
                newQuery = new DeleteAllQuery();
            } else if (valueToApply.equals(QueryType.DataModify)) {
                newQuery = new DataModifyQuery();
            } else if (valueToApply.equals(QueryType.DataRead)) {
                newQuery = new DataReadQuery();
            } else if (valueToApply.equals(QueryType.DirectRead)) {
                newQuery = new DirectReadQuery();
            } else if (valueToApply.equals(QueryType.ValueRead)) {
                newQuery = new ValueReadQuery();
            } else {
                Class queryClass = loadClass((String)valueToApply, query, loader);
                newQuery = (DatabaseQuery)newInstance(queryClass, query, QueryHints.QUERY_TYPE);
            }
            newQuery.copyFromQuery(query);
            return newQuery;
        }
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    @Override
    public void initialize(XRServiceAdapter xrService) {
        super.initialize(xrService);
        if (queryHandler == null) {
            // session query instead of named query
            DatabaseQuery dq = xrService.getORSession().getQuery(name);
            if (dq != null) {
                queryHandler = new QueryHandler(){
                    public void initializeDatabaseQuery(XRServiceAdapter xrService, QueryOperation queryOperation) {
                        // do nothing
                    }
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     */
    @SuppressWarnings("unchecked")
    @Override
    public Object invoke(XRServiceAdapter xrService, Invocation invocation) {

        DatabaseQuery query = queryHandler.getDatabaseQuery();
        Vector queryArguments = query.getArguments();
        int queryArgumentsSize = queryArguments.size();
        Vector executeArguments = new NonSynchronizedVector();
        for (int i = 0; i < queryArgumentsSize; i++) {
            String argName = (String)queryArguments.get(i);
            executeArguments.add(invocation.getParameter(argName));
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     * INTERNAL:
     * Convert the JPA query into a DatabaseQuery.
     */
    public DatabaseQuery processJPQLQuery(Session session){
        ClassLoader classloader = session.getDatasourcePlatform().getConversionManager().getLoader();
        DatabaseQuery ejbquery = EJBQueryImpl.buildEJBQLDatabaseQuery(
            this.getName(), this.jpqlString, session, this.lockMode, this.hints, classloader);
        ejbquery.setName(this.getName());
        return ejbquery;
    }   
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        return false;
    }

    @Override
    public void initializeDatabaseQuery(XRServiceAdapter xrService, QueryOperation queryOperation) {
        DatabaseQuery databaseQueryToInitialize;

        if (queryOperation.hasResponse()) {
            QName type = queryOperation.getResult().getType();
            if (queryOperation.isCollection()) {
                if (queryOperation.isSimpleXMLFormat()) {
                    databaseQueryToInitialize = new DataReadQuery();
                }
                else {
                    if (!xrService.descriptorsByQName.containsKey(type)) {
                        // data-read query
                        databaseQueryToInitialize = new DataReadQuery();
                    }
                    else {
                        // read-all query for the class mapped to the type
                        databaseQueryToInitialize = new ReadAllQuery(xrService.getTypeClass(type));
                    }
                }
            }
            else {
                if (getOutArguments().size() == 0 && getInOutArguments().size() == 0) {
                    if (isStoredFunctionQueryHandler()) {
                        if (!xrService.descriptorsByQName.containsKey(type)) {
                            databaseQueryToInitialize = new ValueReadQuery();
                        }
                        else {
                            // read object query for the class mapped to the type
                            databaseQueryToInitialize = new ReadObjectQuery(xrService.getTypeClass(type));
                        }
                    }
                    else {
                        // special case - no out args for SP: the return
                        // will be a single int
                        // rowcount
                        databaseQueryToInitialize = new DataModifyQuery();
                    }
                }
                else {
                    if (!xrService.descriptorsByQName.containsKey(type)) {
                      if (type.equals(SXF_QNAME)) {
                        databaseQueryToInitialize = new DataReadQuery();
                      }
                      else {
                        databaseQueryToInitialize = new ValueReadQuery();
                      }
                    }
                    else {
                        // read object query for the class mapped to the type
                        databaseQueryToInitialize = new ReadObjectQuery(xrService.getTypeClass(type));
                    }
                }
            }
        }
        else {
            databaseQueryToInitialize = new DataModifyQuery();
        }
        databaseQueryToInitialize.bindAllParameters();
        setDatabaseQuery(databaseQueryToInitialize);
    }
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    public javax.persistence.Query createDescriptorNamedQuery(String queryName, Class descriptorClass, List argumentTypes){
        try {
            verifyOpen();
            ClassDescriptor descriptor = this.serverSession.getDescriptor(descriptorClass);
            if (descriptor != null) {
                DatabaseQuery query = descriptor.getQueryManager().getLocalQueryByArgumentTypes(queryName, argumentTypes);
                if (query != null){
                    return new EJBQueryImpl(query, this);
                }
            }
            return null;
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     * return type.
     */
    public Query createNativeQuery(String sqlString, Class resultType){
        try {
            verifyOpen();
            DatabaseQuery query = createNativeQueryInternal(sqlString, resultType);
            return new EJBQueryImpl(query, this);
        } catch (RuntimeException e) {
            setRollbackOnly();
            throw e;
        }
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     * This method is used to create a query using a EclipseLink Expression and the return type.
     */
    public javax.persistence.Query createQuery(Expression expression, Class resultType){
        try {
            verifyOpen();
            DatabaseQuery query = createQueryInternal(expression, resultType);
            return new EJBQueryImpl(query, this);
        } catch (RuntimeException e) {
            setRollbackOnly();
            throw e;
        }
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Related Classes of org.eclipse.persistence.queries.DatabaseQuery

  • it.eng.qbe.statement.jpa.JPQL2SQLStatementRewriter
  • org.eclipse.persistence.descriptors.DescriptorQueryManager
  • org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor
  • org.eclipse.persistence.internal.expressions.FunctionExpression
  • org.eclipse.persistence.internal.jpa.EJBQueryImpl
  • org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate
  • org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl
  • org.eclipse.persistence.internal.jpa.EntityManagerImpl
  • org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl
  • org.eclipse.persistence.internal.jpa.JPAQuery
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