butler.sql.query
Class RecursiveFilter

java.lang.Object
  butler.sql.query.Filter
      butler.sql.query.RecursiveFilter

Direct Known Subclasses:

AndFilter, NestedSetFilter, NotFilter, OrFilter

public class RecursiveFilter

extends Filter

Superclass for "recursive" filters like and, or, etc.

Author:

Fredrik Bertilsson

Field Summary

protected java.util.List	_childFilters
protected java.lang.String	_operator

Constructor Summary

RecursiveFilter()

RecursiveFilter(java.lang.String operator)
Constructs a Recursive filter with no child filters.

RecursiveFilter(java.lang.String operator, Filter filterA, Filter filterB)
Constructs a RecursiveFilter with two child filters.

Method Summary

void	addChildFilter(Filter filter) Adds an addChildFilter.
void	copy(RecursiveFilter filter)
Filter[]	getChildren() Returns all child filters.
Filter	getFilterA() Return first (left) child filter.
Filter	getFilterB() Return second (right) child filter.
java.util.List	getLeafFilters()
java.lang.String	getSQL(Query.SQLBuilder callback)
Filter	modify(QueryParams params)
static void	parse2(RecursiveFilter filter, org.dom4j.Element element, java.util.Map tableDictonary, Filter rootQ)
void	replaceChild(int i, Filter child) Replace a child filter with the given position.
void	reset() Clear child filters.
void	toXML(org.xml.sax.ContentHandler handler)

Methods inherited from class butler.sql.query.Filter

copy, equals, getCaption, getFilter, getFilterMap, getId, getNestedQuery, getOperator, getSQL, getValues, hashCode, params2db, parseFilter, registerFilter, replaceFilter, setId, setOperator, setSize, setSize, toXML

Methods inherited from class java.lang.Object

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

Field Detail

_operator

protected java.lang.String _operator

_childFilters

protected java.util.List _childFilters

Constructor Detail

RecursiveFilter

public RecursiveFilter(java.lang.String operator,
                       Filter filterA,
                       Filter filterB)

Constructs a RecursiveFilter with two child filters.

Parameters:

operator - "and", "or", etc

filterA - Left sub-filter

filterB - Right sub-filter

RecursiveFilter

public RecursiveFilter(java.lang.String operator)

Constructs a Recursive filter with no child filters. Child filters should be added by addChildFilter.

Parameters:

operator - "and", "or", etc

RecursiveFilter

public RecursiveFilter()

Method Detail

reset

public void reset()

Clear child filters.

addChildFilter

public void addChildFilter(Filter filter)

Adds an addChildFilter. There can be unlimited number of child filters.

replaceChild

public void replaceChild(int i,
                         Filter child)

Replace a child filter with the given position.

getChildren

public Filter[] getChildren()

Returns all child filters.

getFilterA

public Filter getFilterA()

Return first (left) child filter.

getFilterB

public Filter getFilterB()

Return second (right) child filter.

getSQL

public java.lang.String getSQL(Query.SQLBuilder callback)
                        throws java.lang.Exception

Overrides:

getSQL in class Filter

Throws:

java.lang.Exception

getLeafFilters

public java.util.List getLeafFilters()

Overrides:

getLeafFilters in class Filter

toXML

public void toXML(org.xml.sax.ContentHandler handler)
           throws java.lang.Exception

Overrides:

toXML in class Filter

Throws:

java.lang.Exception

parse2

public static void parse2(RecursiveFilter filter,
                          org.dom4j.Element element,
                          java.util.Map tableDictonary,
                          Filter rootQ)
                   throws java.lang.Exception

Throws:

java.lang.Exception

copy

public void copy(RecursiveFilter filter)

modify

public Filter modify(QueryParams params)
              throws java.lang.Exception

Overrides:

modify in class Filter

Throws:

java.lang.Exception