org.apache.ojb.broker.query
Class OJBSearchFilter

java.lang.Object
  org.apache.ojb.broker.query.SearchFilter
      org.apache.ojb.broker.query.OJBSearchFilter

public class OJBSearchFilter

extends SearchFilter

OJB Search Filter Class for ObJectRelationalBridge O/R mapping tool This class builds a search filter tree, specifing how names and values are to be compared when searching a database. This extends SearchFilter and implements the Convert method that produces the search filter string for the SQL database

Version:

$Revision: 365232 $ $Date: 2005-12-21 23:36:07 +0100 (Wed, 21 Dec 2005) $

Author:

David Forslund, koenig

Field Summary

Fields inherited from class org.apache.ojb.broker.query.SearchFilter

AND, EQUAL, GREATER_EQUAL, GREATER_THAN, IN, LESS_EQUAL, LESS_THAN, LIKE, NOT, NOT_EQUAL, NOT_IN, OR

Constructor Summary

OJBSearchFilter()

Method Summary

void	combine(SearchFilter new_filter, int op) Combine one other search filters with this one, using the specific operator.
void	combine(java.util.Vector new_filters, int op) Combine other search filters with this one, using the specific operator.
void	compareFilter(java.lang.String elementName, java.lang.String value, int oper) Change the search filter to one that compares an element name to a value.
void	matchList(java.lang.String elementName, int[] values, int oper) Change the search filter to one that specifies an element to not match one of a list of integer values.
void	matchList(java.lang.String elementName, java.lang.String[] values, int oper) Change the search filter to one that specifies an element to not match one of a list of values.
void	matchList(java.lang.String elementName, java.util.Vector values, int oper) Change the search filter to one that specifies an element to match or not match one of a list of values.
void	matchSet(java.util.Hashtable elements, int combine_op, int compare_op) Change the search filter to one that specifies a set of elements and their values that must match, and the operator to use to combine the elements.
void	matchSet(java.lang.String[] elementNames, java.lang.String[] elementValues, int op) Change the search filter to one that specifies a set of elements and their values that must match, and the operator to use to combine the elements.
void	matchValue(java.lang.String elementName, int value, int oper) -----------------------------------------------------------
void	matchValue(java.lang.String elementName, java.lang.String value, int oper) Change the search filter to one that specifies an element to not match one single value.
java.lang.String	toString() -----------------------------------------------------------

Methods inherited from class java.lang.Object

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

Constructor Detail

OJBSearchFilter

public OJBSearchFilter()

Method Detail

matchList

public void matchList(java.lang.String elementName,
                      java.util.Vector values,
                      int oper)

Change the search filter to one that specifies an element to match or not match one of a list of values. The old search filter is deleted.

Overrides:

matchList in class SearchFilter

Parameters:

elementName - is the name of the element to be matched

values - is a vector of possible matches

oper - is the IN or NOT_IN operator to indicate how to matche

matchList

public void matchList(java.lang.String elementName,
                      java.lang.String[] values,
                      int oper)

Change the search filter to one that specifies an element to not match one of a list of values. The old search filter is deleted.

Overrides:

matchList in class SearchFilter

Parameters:

elementName - is the name of the element to be matched

values - is an array of possible matches

oper - is the IN or NOT_IN operator to indicate how to matche

matchList

public void matchList(java.lang.String elementName,
                      int[] values,
                      int oper)

Change the search filter to one that specifies an element to not match one of a list of integer values. The old search filter is deleted.

Overrides:

matchList in class SearchFilter

Parameters:

elementName - is the name of the element to be matched

values - is an array of possible integer matches

oper - is the IN or NOT_IN operator to indicate how to matche

matchValue

public void matchValue(java.lang.String elementName,
                       java.lang.String value,
                       int oper)

Change the search filter to one that specifies an element to not match one single value. The old search filter is deleted.

Overrides:

matchValue in class SearchFilter

Parameters:

elementName - is the name of the element to be matched

value - is the value to not be matched

oper - is the IN or NOT_IN operator to indicate how to matche

matchValue

public void matchValue(java.lang.String elementName,
                       int value,
                       int oper)

-----------------------------------------------------------

Overrides:

matchValue in class SearchFilter

Parameters:

elementName -

value -

oper -

compareFilter

public void compareFilter(java.lang.String elementName,
                          java.lang.String value,
                          int oper)
                   throws DBException

Change the search filter to one that compares an element name to a value. The old search filter is deleted.

Overrides:

compareFilter in class SearchFilter

Parameters:

elementName - is the name of the element to be tested

value - is the value to be compared against

oper - is the binary comparison operator to be used

Throws:

DBException

matchSet

public void matchSet(java.util.Hashtable elements,
                     int combine_op,
                     int compare_op)
              throws DBException

Change the search filter to one that specifies a set of elements and their values that must match, and the operator to use to combine the elements. Each key is compared for an equal match to the value, and all comparisons are combined by the specified logical operator (OR or AND). The old search filter is deleted.

Overrides:

matchSet in class SearchFilter

Parameters:

elements - is a hashtable holding key-value pairs

combine_op - is the logical operator to be used to combine the comparisons

compare_op - is the binary operator to be used for the comparisons

Throws:

DBException

matchSet

public void matchSet(java.lang.String[] elementNames,
                     java.lang.String[] elementValues,
                     int op)
              throws DBException

Change the search filter to one that specifies a set of elements and their values that must match, and the operator to use to combine the elements. Each element name is compared for an equal match to the value, and all comparisons are combined by the specified logical operator (OR or AND). The old search filter is deleted.

Overrides:

matchSet in class SearchFilter

Parameters:

elementNames - is an array of names of elements to be tested

elementValues - is an array of values for the corresponding element

op - is the logical operator to be used to combine the comparisons

Throws:

DBException

combine

public void combine(java.util.Vector new_filters,
                    int op)
             throws DBException

Combine other search filters with this one, using the specific operator.

Overrides:

combine in class SearchFilter

Parameters:

new_filters - is a vector of SearchFilter classes to be combined

op - is the logical operator to be used to combine the filters

Throws:

DBException

combine

public void combine(SearchFilter new_filter,
                    int op)
             throws DBException

Combine one other search filters with this one, using the specific operator.

Overrides:

combine in class SearchFilter

Parameters:

new_filter - is the SearchFilter class to be combined

op - is the logical operator to be used to combine the filters

Throws:

DBException

toString

public java.lang.String toString()

-----------------------------------------------------------

Specified by:

toString in class SearchFilter

Returns: