Package org.datanucleus.store.connection

Examples of org.datanucleus.store.connection.ManagedConnection

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    protected void removeInternal(ObjectProvider sm, Object key)
    {
        ExecutionContext ec = sm.getExecutionContext();
        try
        {
            ManagedConnection mconn = getStoreMgr().getConnection(ec);
            SQLController sqlControl = getStoreMgr().getSQLController();
            try
            {
                PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, removeStmt, false);
                try
                {
                    int jdbcPosition = 1;
                    jdbcPosition = BackingStoreHelper.populateOwnerInStatement(sm, ec, ps, jdbcPosition, this);
                    BackingStoreHelper.populateKeyInStatement(ec, ps, key, jdbcPosition, keyMapping);
                    sqlControl.executeStatementUpdate(mconn, removeStmt, ps, true);
                }
                finally
                {
                    sqlControl.closeStatement(mconn, ps);
                }
            }
            finally
            {
                mconn.release();
            }
        }
        catch (SQLException e)
        {
            throw new NucleusDataStoreException(LOCALISER.msg("056012",removeStmt),e);
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    {
        int nextID;
        try
        {
            ExecutionContext ec = sm.getExecutionContext();
            ManagedConnection mconn = getStoreMgr().getConnection(ec);
            SQLController sqlControl = getStoreMgr().getSQLController();
            try
            {
                String stmt = getMaxAdapterColumnIdStmt();
                PreparedStatement ps = sqlControl.getStatementForQuery(mconn, stmt);

                try
                {
                    int jdbcPosition = 1;
                    BackingStoreHelper.populateOwnerInStatement(sm, ec, ps, jdbcPosition, this);
                    ResultSet rs = sqlControl.executeStatementQuery(mconn, stmt, ps);
                    try
                    {
                        if (!rs.next())
                        {
                            nextID = 1;
                        }
                        else
                        {
                            nextID = rs.getInt(1)+1;
                        }

                        JDBCUtils.logWarnings(rs);
                    }
                    finally
                    {
                        rs.close();
                    }
                }
                finally
                {
                    sqlControl.closeStatement(mconn, ps);
                }
            }
            finally
            {
                mconn.release();
            }
        }
        catch (SQLException e)
        {
            throw new NucleusDataStoreException(LOCALISER.msg("056020",getMaxAdapterColumnIdStmt()),e);
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    {
        String clearStmt = getClearStmt(ecs);
        try
        {
            ExecutionContext ec = ownerSM.getExecutionContext();
            ManagedConnection mconn = ecs.getStoreManager().getConnection(ec);
            SQLController sqlControl = storeMgr.getSQLController();
            try
            {
                PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, clearStmt, false);
                try
                {
                    int jdbcPosition = 1;
                    jdbcPosition = BackingStoreHelper.populateOwnerInStatement(ownerSM, ec, ps, jdbcPosition, ecs);
                    if (ecs.getRelationDiscriminatorMapping() != null)
                    {
                        BackingStoreHelper.populateRelationDiscriminatorInStatement(ec, ps, jdbcPosition, ecs);
                    }

                    sqlControl.executeStatementUpdate(mconn, clearStmt, ps, true);
                }
                finally
                {
                    sqlControl.closeStatement(mconn, ps);
                }
            }
            finally
            {
                mconn.release();
            }
        }
        catch (SQLException e)
        {
            throw new NucleusDataStoreException(localiser.msg("056013", clearStmt), e);
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        String addStmt = getAddStmt();
        ExecutionContext ec = sm1.getExecutionContext();
        SQLController sqlControl = storeMgr.getSQLController();
        try
        {
            ManagedConnection mconn = storeMgr.getConnection(ec);
            PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, addStmt, false);
            try
            {
                // Insert the join table row
                int jdbcPosition = 1;
                jdbcPosition = populateOwnerInStatement(sm1, ec, ps, jdbcPosition, joinTable);
                BackingStoreHelper.populateElementInStatement(ec, ps, sm2.getObject(),
                    jdbcPosition, joinTable.getRelatedMapping());

                // Execute the statement
                int[] nums = sqlControl.executeStatementUpdate(mconn, addStmt, ps, true);
                return (nums != null && nums.length == 1 && nums[0] == 1);
            }
            finally
            {
               sqlControl.closeStatement(mconn, ps);
               mconn.release();
            }
        }
        catch (SQLException sqle)
        {
            throw new NucleusDataStoreException(
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        String removeStmt = getRemoveStmt();
        ExecutionContext ec = sm1.getExecutionContext();
        SQLController sqlControl = storeMgr.getSQLController();
        try
        {
            ManagedConnection mconn = storeMgr.getConnection(ec);
            PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, removeStmt, false);
            try
            {
                // Update the join table row
                int jdbcPosition = 1;
                populateOwnerInStatement(sm1, ec, ps, jdbcPosition, joinTable);

                // Execute the statement
                int[] nums = sqlControl.executeStatementUpdate(mconn, removeStmt, ps, true);
                return (nums != null && nums.length == 1 && nums[0] == 1);
            }
            finally
            {
               sqlControl.closeStatement(mconn, ps);
               mconn.release();
            }
        }
        catch (SQLException sqle)
        {
            throw new NucleusDataStoreException(
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        String updateStmt = getUpdateStmt();
        ExecutionContext ec = sm1.getExecutionContext();
        SQLController sqlControl = storeMgr.getSQLController();
        try
        {
            ManagedConnection mconn = storeMgr.getConnection(ec);
            PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, updateStmt, false);
            try
            {
                // Update the join table row
                int jdbcPosition = 1;
                jdbcPosition = BackingStoreHelper.populateElementInStatement(ec, ps, sm2.getObject(),
                    jdbcPosition, joinTable.getRelatedMapping());
                populateOwnerInStatement(sm1, ec, ps, jdbcPosition, joinTable);

                // Execute the statement
                int[] nums = sqlControl.executeStatementUpdate(mconn, updateStmt, ps, true);
                return (nums != null && nums.length == 1 && nums[0] == 1);
            }
            finally
            {
               sqlControl.closeStatement(mconn, ps);
               mconn.release();
            }
        }
        catch (SQLException sqle)
        {
            throw new NucleusDataStoreException(
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    {
        String clearStmt = getClearStmt(ecs);
        try
        {
            ExecutionContext ec = ownerSM.getExecutionContext();
            ManagedConnection mconn = storeMgr.getConnection(ec);
            SQLController sqlControl = storeMgr.getSQLController();
            try
            {
                PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, clearStmt, false);
                try
                {
                    int jdbcPosition = 1;
                    jdbcPosition = BackingStoreHelper.populateOwnerInStatement(ownerSM, ec, ps, jdbcPosition, ecs);
                    if (ecs.getRelationDiscriminatorMapping() != null)
                    {
                        BackingStoreHelper.populateRelationDiscriminatorInStatement(ec, ps, jdbcPosition, ecs);
                    }

                    sqlControl.executeStatementUpdate(mconn, clearStmt, ps, true);
                }
                finally
                {
                    sqlControl.closeStatement(mconn, ps);
                }
            }
            finally
            {
                mconn.release();
            }
        }
        catch (SQLException e)
        {
            throw new NucleusDataStoreException(localiser.msg("056013", clearStmt), e);
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        String sizeStmt = getSizeStmt(ecs);
        try
        {
            ExecutionContext ec = ownerSM.getExecutionContext();
            ManagedConnection mconn = storeMgr.getConnection(ec);
            SQLController sqlControl = storeMgr.getSQLController();
            try
            {
                PreparedStatement ps = sqlControl.getStatementForQuery(mconn, sizeStmt);
                try
                {
                    int jdbcPosition = 1;
                    jdbcPosition = BackingStoreHelper.populateOwnerInStatement(ownerSM, ec, ps, jdbcPosition, ecs);
                    if (ecs.getElementInfo() != null && ecs.getElementInfo().length == 1)
                    {
                        // TODO Allow for multiple element types (e.g interface implementations)
                        for (int i = 0; i < ecs.getElementInfo().length; i++)
                        {
                            if (ecs.getElementInfo()[i].getDiscriminatorMapping() != null)
                            {
                                jdbcPosition =
                                    BackingStoreHelper.populateElementDiscriminatorInStatement(ec, ps,
                                        jdbcPosition, true, ecs.getElementInfo()[i], clr);
                            }
                        }
                    }
                    if (ecs.getRelationDiscriminatorMapping() != null)
                    {
                        jdbcPosition =
                            BackingStoreHelper.populateRelationDiscriminatorInStatement(ec, ps, jdbcPosition, ecs);
                    }

                    ResultSet rs = sqlControl.executeStatementQuery(mconn, sizeStmt, ps);
                    try
                    {
                        if (!rs.next())
                        {
                            throw new NucleusDataStoreException(localiser.msg("056007", sizeStmt));
                        }

                        numRows = rs.getInt(1);
                        JDBCUtils.logWarnings(rs);
                    }
                    finally
                    {
                        rs.close();
                    }
                }
                finally
                {
                    sqlControl.closeStatement(mconn, ps);
                }
            }
            finally
            {
                mconn.release();
            }
        }
        catch (SQLException e)
        {
            throw new NucleusDataStoreException(localiser.msg("056007", sizeStmt), e);
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        boolean modified = false;
        ExecutionContext ec = sm.getExecutionContext();
        String removeStmt = getRemoveStmt(setStore);
        try
        {
            ManagedConnection mconn = storeMgr.getConnection(ec);
            SQLController sqlControl = storeMgr.getSQLController();
            try
            {
                PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, removeStmt, false);
                try
                {
                    int jdbcPosition = 1;
                    jdbcPosition = BackingStoreHelper.populateOwnerInStatement(sm, ec, ps, jdbcPosition, setStore);
                    jdbcPosition = BackingStoreHelper.populateElementInStatement(ec, ps, element, jdbcPosition, setStore.getElementMapping());
                    if (setStore.getRelationDiscriminatorMapping() != null)
                    {
                        jdbcPosition =
                            BackingStoreHelper.populateRelationDiscriminatorInStatement(ec, ps, jdbcPosition, setStore);
                    }

                    int[] rowsDeleted = sqlControl.executeStatementUpdate(mconn, removeStmt, ps, true);
                    modified = (rowsDeleted[0] == 1);
                }
                finally
                {
                    sqlControl.closeStatement(mconn, ps);
                }
            }
            finally
            {
                mconn.release();
            }
        }
        catch (SQLException e)
        {
            NucleusLogger.DATASTORE.error(e);
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            stmt = sqlStmt.getSelectStatement().toSQL();
        }

        try
        {
            ManagedConnection mconn = storeMgr.getConnection(ec);
            SQLController sqlControl = ((RDBMSStoreManager)storeMgr).getSQLController();
            try
            {
                // Create the statement and set the owner
                PreparedStatement ps = sqlControl.getStatementForQuery(mconn, stmt);
                StatementMappingIndex ownerIdx = paramDefinition.getMappingForParameter("owner");
                int numParams = ownerIdx.getNumberOfParameterOccurrences();
                for (int paramInstance=0;paramInstance<numParams;paramInstance++)
                {
                    ownerIdx.getMapping().setObject(ec, ps,
                        ownerIdx.getParameterPositionsForOccurrence(paramInstance), ownerSM.getObject());
                }

                try
                {
                    ResultSet rs = sqlControl.executeStatementQuery(mconn, stmt, ps);
                    try
                    {
                        ResultObjectFactory rof = null;
                        if (elementsAreEmbedded || elementsAreSerialised)
                        {
                            throw new NucleusException("Cannot have FK set with non-persistent objects");
                        }
                        else
                        {
                            rof = storeMgr.newResultObjectFactory(emd, resultDefinition, false, null,
                                clr.classForName(elementType));
                        }

                        return new RDBMSListStoreIterator(ownerSM, rs, rof, this);
                    }
                    finally
                    {
                        rs.close();
                    }
                }
                finally
                {
                    sqlControl.closeStatement(mconn, ps);
                }
            }
            finally
            {
                mconn.release();
            }
        }
        catch (SQLException e)
        {
            throw new NucleusDataStoreException(LOCALISER.msg("056006", stmt),e);
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Related Classes of org.datanucleus.store.connection.ManagedConnection

  • com.google.appengine.datanucleus.DatastoreManager
  • com.google.appengine.datanucleus.KeyRegistry
  • com.google.appengine.datanucleus.PojoDatastoreBridge
  • com.google.appengine.datanucleus.query.JDOQLQuery
  • com.google.appengine.datanucleus.query.JPQLQuery
  • org.datanucleus.store.AbstractStoreManager
  • org.datanucleus.store.mapped.scostore.AbstractArrayStore
  • org.datanucleus.store.mapped.scostore.AbstractSetStore
  • org.datanucleus.store.mapped.scostore.FKListStore
  • org.datanucleus.store.mapped.scostore.JoinListStore
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