com.extentech.ExtenBean
Class DataObjectQueryParser

java.lang.Object
  com.extentech.ExtenBean.DataObjectQueryParser

public class DataObjectQueryParser
extends Object

This class is responsible for bi-directional query building for data objects SQL is built by default, but should also support XQuery/XPath etc.

Author:

John McMahon :: [ Sep 10, 2007 ] :: Copyright ©2011Extentech Inc.

See Also:

DataObject

Constructor Summary

DataObjectQueryParser()

Method Summary

String	getQuery(DataObject root) Read in a DataObject, parse its graph of Relational DataObjects into a valid Query that, when run against the datasource, produces a denormalized resultset suitable for mapping.
String[]	getQueryParts(DataObject dob) Read in a DataObject, parse its Query parts
String[]	getQueryParts(String sql) Read in a DataObject, parse its Query parts
static void	main(String[] args)
DataObject	parse(String str) Read in a SQL string, parse it into a graph of Relational DataObjects -- not initialized with data.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataObjectQueryParser

public DataObjectQueryParser()

Method Detail

main

public static void main(String[] args)

Parameters:

args -

parse

public DataObject parse(String str)

Read in a SQL string, parse it into a graph of Relational DataObjects -- not initialized with data. After calling this method, the root DataObject should be connected to its datasource using 'setFactory', then data loaded into the graph using 'load'.

Parameters:

str -

Returns:

getQuery

public String getQuery(DataObject root)

Read in a DataObject, parse its graph of Relational DataObjects into a valid Query that, when run against the datasource, produces a denormalized resultset suitable for mapping. After calling this method, the root DataObject should be connected to its datasource using 'setFactory', then data loaded into the graph using 'load'.

Parameters:

str -

Returns:

getQueryParts

public String[] getQueryParts(String sql)

Read in a DataObject, parse its Query parts

Parameters:

str -

Returns:

getQueryParts

public String[] getQueryParts(DataObject dob)

Read in a DataObject, parse its Query parts

Parameters:

str -

Returns: