Package net.ontopia.topicmaps.nav2.taglibs.tolog

Class QueryWrapper

java.lang.Object

net.ontopia.topicmaps.nav2.taglibs.tolog.QueryWrapper

public class QueryWrapper
extends Object

INTERNAL: Generic Tolog Tag that has support for executing one query.

Field Summary

Fields

Modifier and Type	Field	Description
protected ArrayList	lookAhead

Constructor Summary

Constructors

Constructor	Description
QueryWrapper(jakarta.servlet.jsp.PageContext pageContext, String inQuery)	Default constructor.

Method Summary

Modifier and Type	Method	Description
protected void	bindVariables(boolean[] groupColumns)	Bind (some of) the names of the columns of the result to the current row.
protected boolean	equalGroup(boolean[] groupColumns, Object[] row1, Object[] row2)
protected boolean	fullyGrouped()
ContextManagerIF	getContextManager()
Object[]	getCurrentRow()
int	getIndex(String columnName)
String	getQuery()
int	getWidth()
boolean	hasNext()
protected boolean	isOnlyChild(boolean[] parentGroupColumns, boolean[] childGroupColumns)
void	next()	Moves one step forward in the result set of the query.
ParsedQueryIF	parseQuery()
protected boolean	relevantDifferences(boolean[] groupColumns)
protected void	setUsedBy(ForEachTag user)
protected void	updateTotalGroupBy(boolean[] groupBy)
protected boolean	usedBy(ForEachTag user)

Methods inherited from class java.lang.Object

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

Field Details

lookAhead

protected ArrayList lookAhead

Constructor Details

QueryWrapper

public QueryWrapper(jakarta.servlet.jsp.PageContext pageContext,
 String inQuery)
             throws NavigatorRuntimeException

Default constructor. Creates executes the inputQuery in the given PageContext and moves to the first row.

Throws:

NavigatorRuntimeException

Method Details

updateTotalGroupBy

protected void updateTotalGroupBy(boolean[] groupBy)

setUsedBy

protected void setUsedBy(ForEachTag user)

usedBy

protected boolean usedBy(ForEachTag user)

fullyGrouped

protected boolean fullyGrouped()

relevantDifferences

protected boolean relevantDifferences(boolean[] groupColumns)

Returns:

true if the query result has changed with respect in any of the columns corresponding to the entries of groupColumns. This happens iff for any particular index diffs and groupColumns both contain the value true.

getContextManager

public ContextManagerIF getContextManager()

hasNext

public boolean hasNext()

next

public void next()

Moves one step forward in the result set of the query.

getCurrentRow

public Object[] getCurrentRow()

getWidth

public int getWidth()

getIndex

public int getIndex(String columnName)

getQuery

public String getQuery()

parseQuery

public ParsedQueryIF parseQuery()
                         throws NavigatorRuntimeException

Throws:

NavigatorRuntimeException

bindVariables

protected void bindVariables(boolean[] groupColumns)
                      throws jakarta.servlet.jsp.JspTagException

Bind (some of) the names of the columns of the result to the current row. Only bind those columns corresponding to a true entry in groupColumns. e.g. column 3 is bound if groupColumns[3] is true.

Throws:

jakarta.servlet.jsp.JspTagException

isOnlyChild

protected boolean isOnlyChild(boolean[] parentGroupColumns,
 boolean[] childGroupColumns)

equalGroup

protected boolean equalGroup(boolean[] groupColumns,
 Object[] row1,
 Object[] row2)