io.odysz.semantic.DA

Class DatasetHelper

java.lang.Object

io.odysz.semantic.DA.DatasetHelper

public class DatasetHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	DatasetHelper.NodeFormatter The reference implementation can be similar to DatasetHelper#formatSemanticNode(TreeSemantics, AnResultset, AnTreeNode, int).

Constructor Summary

Constructors

Constructor and Description
DatasetHelper()

Method Summary

Modifier and Type	Method and Description
static List<DatasetCfg.AnTreeNode>	buildForest(AnResultset rs, DatasetCfg.TreeSemantics treeSemtcs, DatasetHelper.NodeFormatter... noder) Convert the result set to a forest.
static List<?>	loadStree(String conn, String sk, int page, int size, String[] sqlArgs, DatasetHelper.NodeFormatter... optionalNoder)
static List<?>	loadStree(String conn, String sk, io.odysz.transact.sql.PageInf page, DatasetHelper.NodeFormatter... noder) Load semantic tree configured in dataset.xml.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DatasetHelper

public DatasetHelper()

Method Detail

loadStree

public static List<?> loadStree(String conn,
                                String sk,
                                int page,
                                int size,
                                String[] sqlArgs,
                                DatasetHelper.NodeFormatter... optionalNoder)
                         throws SQLException,
                                io.odysz.transact.x.TransException

Throws:

SQLException

io.odysz.transact.x.TransException

loadStree

public static List<?> loadStree(String conn,
                                String sk,
                                io.odysz.transact.sql.PageInf page,
                                DatasetHelper.NodeFormatter... noder)
                         throws SQLException,
                                io.odysz.transact.x.TransException

Load semantic tree configured in dataset.xml.

Parameters:

conn -

sk -

page - cannot be null

Returns:

forest

Throws:

SQLException

io.odysz.transact.x.TransException

buildForest

public static List<DatasetCfg.AnTreeNode> buildForest(AnResultset rs,
                                                      DatasetCfg.TreeSemantics treeSemtcs,
                                                      DatasetHelper.NodeFormatter... noder)
                                               throws SQLException,
                                                      SemanticException

Convert the result set to a forest.

Parameters:

rs -

treeSemtcs -

noder - optional to override default formatter DatasetHelper.NodeFormatter.

Returns:

built forest

Throws:

SQLException

SemanticException - data structure can not build tree / forest