org.openlowcode.server.data.storage.standardjdbc

Class SQLQueryConditionGenerator

java.lang.Object

org.openlowcode.server.data.storage.standardjdbc.SQLQueryConditionGenerator

All Implemented Interfaces:

QueryCondition.Visitor

public class SQLQueryConditionGenerator
extends java.lang.Object
implements QueryCondition.Visitor

A visitor for query condition generating the query string

Author:

Open Lowcode SAS

Constructor Summary

Constructors

Constructor and Description
SQLQueryConditionGenerator(java.lang.StringBuffer querybuffer) creates a single use SQLQueryConditionGenerator with given querybuffer

Method Summary

Modifier and Type	Method and Description
java.lang.String	setSQLOperator(QueryOperator operator, boolean nullvalue) generates a SQLOperator
void	visit(AndQueryCondition andquerycondition)
<E> void	visit(JoinQueryCondition<E> joinquerycondition)
void	visit(OrQueryCondition orQueryCondition)
void	visit(QueryConditionAlways always)
void	visit(QueryConditionNever never)
<E> void	visit(SimpleQueryCondition<E> simplequerycondition)

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLQueryConditionGenerator

public SQLQueryConditionGenerator(java.lang.StringBuffer querybuffer)

creates a single use SQLQueryConditionGenerator with given querybuffer

Parameters:

querybuffer -

Method Detail

visit

public void visit(QueryConditionNever never)

Specified by:

visit in interface QueryCondition.Visitor

visit

public void visit(QueryConditionAlways always)

Specified by:

visit in interface QueryCondition.Visitor

visit

public <E> void visit(SimpleQueryCondition<E> simplequerycondition)

Specified by:

visit in interface QueryCondition.Visitor

setSQLOperator

public java.lang.String setSQLOperator(QueryOperator operator,
                                       boolean nullvalue)

generates a SQLOperator

Parameters:

operator - the operator

nullvalue - true if null

Returns:

visit

public <E> void visit(JoinQueryCondition<E> joinquerycondition)

Specified by:

visit in interface QueryCondition.Visitor

visit

public void visit(AndQueryCondition andquerycondition)

Specified by:

visit in interface QueryCondition.Visitor

visit

public void visit(OrQueryCondition orQueryCondition)

Specified by:

visit in interface QueryCondition.Visitor