com.antelmann.sql
Class SQLMapFilter<T>

java.lang.Object
  com.antelmann.sql.SQLMapFilter<T>

All Implemented Interfaces:

SQLComboFilterSupported<T>, CascadingFilter<T>, Filter<T>, Serializable

public class SQLMapFilter<T>
extends Object
implements CascadingFilter<T>, Serializable, SQLComboFilterSupported<T>

a special filter that can be used to easily pre-filter Resources via restrictions used in a ConnectionHelper (to fetch them from a DBClassStore).

Since:

12. Dezember 2006, 16:43

Author:

Holger Antelmann

See Also:

SQLConstraint, BaseRowMapper, JDBCRowStore, DBEntry, ConnectionHelper.filterTable(String, Map), ConnectionHelper.filterTable(String, Map, boolean, int, int, String...), SQLDirectQueryEntryFilter, SQLStubFilter, SQLComboFilter, Serialized Form

Field Summary

Fields inherited from interface com.antelmann.util.Filter

EXCLUDE_ALL_FILTER, INCLUDE_ALL_FILTER

Constructor Summary

SQLMapFilter()

SQLMapFilter(Map<String,Object> sqlFilterMap, Filter<? super T> internalFilter, String... orderByColumns)
the given map is directly used as the embedded map

SQLMapFilter(Map<String,Object> sqlFilterMap, String... orderByColumns)
if a column is to be sorted descending, put a minus sign before the column name

SQLMapFilter(String key, Object value)

SQLMapFilter(String key, Object value, String... orderByColumns)

Method Summary

boolean	accept(T entry) return value based on the internal filter - or returns null if the internal filter is null
Filter<? super T>	getInnerFilter() returns the internal filter that applies in this instance's accept() method
String[]	getOrder()
Map<String,Object>	getSQLFilterMap() gives direct access to the embedded map, which may be null if constructed directly with a query String
boolean	isCombineWithAnd() true by default
void	setCombineWithAnd(boolean flag)
void	setInnerFilter(Filter<? super T> internalFilter)
void	setOrder(String... orderByColumns)
SQLStubFilter	toStubFilter()

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLMapFilter

public SQLMapFilter()

SQLMapFilter

public SQLMapFilter(String key,
                    Object value)

SQLMapFilter

public SQLMapFilter(String key,
                    Object value,
                    String... orderByColumns)

SQLMapFilter

public SQLMapFilter(Map<String,Object> sqlFilterMap,
                    String... orderByColumns)

if a column is to be sorted descending, put a minus sign before the column name

SQLMapFilter

public SQLMapFilter(Map<String,Object> sqlFilterMap,
                    Filter<? super T> internalFilter,
                    String... orderByColumns)

the given map is directly used as the embedded map

Method Detail

getSQLFilterMap

public Map<String,Object> getSQLFilterMap()

gives direct access to the embedded map, which may be null if constructed directly with a query String

setInnerFilter

public void setInnerFilter(Filter<? super T> internalFilter)

Specified by:

setInnerFilter in interface CascadingFilter<T>

getInnerFilter

public Filter<? super T> getInnerFilter()

returns the internal filter that applies in this instance's accept() method

Specified by:

getInnerFilter in interface CascadingFilter<T>

getOrder

public String[] getOrder()

setOrder

public void setOrder(String... orderByColumns)

isCombineWithAnd

public boolean isCombineWithAnd()

true by default

setCombineWithAnd

public void setCombineWithAnd(boolean flag)

accept

public boolean accept(T entry)

return value based on the internal filter - or returns null if the internal filter is null

Specified by:

accept in interface Filter<T>

toStubFilter

public SQLStubFilter toStubFilter()
                           throws InconsistentContentException

Throws:

InconsistentContentException