to.etc.webapp.query

Class QRenderingVisitorBase

java.lang.Object

to.etc.webapp.query.QRenderingVisitorBase

All Implemented Interfaces:

QNodeVisitor

Direct Known Subclasses:

JdbcSQLGenerator, QQueryRenderer

public abstract class QRenderingVisitorBase
extends Object
implements QNodeVisitor

Author:

Frits Jalvingh Created on 1/5/16.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	m_curPrec

Constructor Summary

Constructors

Constructor and Description
QRenderingVisitorBase()

Method Summary

Modifier and Type	Method and Description
protected abstract void	appendOperation(QOperation operation)
protected abstract void	appendWhere(String what)
protected int	getOperationPrecedence(QOperation ot) Returns the operator precedence
protected void	precedenceClose(int oldprec)
protected int	precedenceOpen(QOperatorNode n)
protected String	renderOperation(QOperation op)
protected String	translateOrder(QOrder o)
void	visitCriteria(QCriteria<?> qc)
void	visitMulti(QMultiNode n) Render an operator set.
void	visitMultiSelection(QMultiSelection n)
void	visitOrderList(List<QOrder> orderlist)
void	visitRestrictionsBase(QCriteriaQueryBase<?> n)
void	visitSelectionColumn(QSelectionColumn n)
void	visitUnaryNode(QUnaryNode n)

Methods inherited from class java.lang.Object

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

Methods inherited from interface to.etc.webapp.query.QNodeVisitor

visitBetween, visitExistsSubquery, visitLiteral, visitOrder, visitPropertyComparison, visitPropertyIn, visitPropertyJoinComparison, visitPropertySelection, visitSelection, visitSelectionItem, visitSelectionSubquery, visitSqlRestriction, visitSubquery, visitUnaryProperty

Field Detail

m_curPrec

protected int m_curPrec

Constructor Detail

QRenderingVisitorBase

public QRenderingVisitorBase()

Method Detail

appendWhere

protected abstract void appendWhere(@Nonnull
                                    String what)

appendOperation

protected abstract void appendOperation(@Nonnull
                                        QOperation operation)

precedenceClose

protected final void precedenceClose(int oldprec)

precedenceOpen

protected final int precedenceOpen(@Nonnull
                                   QOperatorNode n)

getOperationPrecedence

protected final int getOperationPrecedence(QOperation ot)

Returns the operator precedence

Parameters:

ot -

Returns:

renderOperation

protected final String renderOperation(QOperation op)

translateOrder

protected String translateOrder(QOrder o)

visitMulti

public final void visitMulti(@Nonnull
                             QMultiNode n)
                      throws Exception

Render an operator set.

Specified by:

visitMulti in interface QNodeVisitor

Throws:

Exception

See Also:

QNodeVisitorBase.visitMulti(to.etc.webapp.query.QMultiNode)

visitUnaryNode

public final void visitUnaryNode(@Nonnull
                                 QUnaryNode n)
                          throws Exception

Specified by:

visitUnaryNode in interface QNodeVisitor

Throws:

Exception

visitCriteria

public void visitCriteria(@Nonnull
                          QCriteria<?> qc)
                   throws Exception

Specified by:

visitCriteria in interface QNodeVisitor

Throws:

Exception

visitOrderList

public void visitOrderList(@Nonnull
                           List<QOrder> orderlist)
                    throws Exception

Specified by:

visitOrderList in interface QNodeVisitor

Throws:

Exception

visitMultiSelection

public void visitMultiSelection(@Nonnull
                                QMultiSelection n)
                         throws Exception

Specified by:

visitMultiSelection in interface QNodeVisitor

Throws:

Exception

visitSelectionColumn

public void visitSelectionColumn(@Nonnull
                                 QSelectionColumn n)
                          throws Exception

Specified by:

visitSelectionColumn in interface QNodeVisitor

Throws:

Exception

visitRestrictionsBase

public void visitRestrictionsBase(@Nonnull
                                  QCriteriaQueryBase<?> n)
                           throws Exception

Specified by:

visitRestrictionsBase in interface QNodeVisitor

Throws:

Exception