org.openlowcode.server.data.storage

Class QueryFilter

java.lang.Object

org.openlowcode.server.data.storage.QueryFilter

public class QueryFilter
extends java.lang.Object

A query filter is a combination of a query condition, and potentially aliases used to extend the query

Author:

Open Lowcode SAS

Constructor Summary

Constructors

Constructor and Description
QueryFilter(QueryCondition querycondition, TableAlias[] aliasarray) Creates a query filter

Method Summary

Modifier and Type	Method and Description
void	addAlias(TableAlias alias) adds a new alias
static QueryFilter	get(QueryCondition querycondition) convenience method to create a query filter without any aliases specified
static QueryFilter	get(QueryCondition querycondition, TableAlias singlealias) convenience method to create a query filter with a query condition and a single alias
TableAlias[]	getAliases() get the list of aliases
QueryCondition	getCondition()

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryFilter

public QueryFilter(QueryCondition querycondition,
                   TableAlias[] aliasarray)

Creates a query filter

Parameters:

querycondition - conditions

aliasarray - list of aliases

Method Detail

get

public static QueryFilter get(QueryCondition querycondition)

convenience method to create a query filter without any aliases specified

Parameters:

querycondition -

Returns:

the query filter

get

public static QueryFilter get(QueryCondition querycondition,
                              TableAlias singlealias)

convenience method to create a query filter with a query condition and a single alias

Parameters:

querycondition - query condition

singlealias - single alias

Returns:

the query filter

addAlias

public void addAlias(TableAlias alias)

adds a new alias

Parameters:

alias - alias to add

getCondition

public QueryCondition getCondition()

Returns:

the query condition in this alias

getAliases

public TableAlias[] getAliases()

get the list of aliases

Returns:

aliases as an array