Package groovy.sql

Class SqlOrderByVisitor

java.lang.Object

org.codehaus.groovy.ast.CodeVisitorSupport

groovy.sql.SqlOrderByVisitor

All Implemented Interfaces:

GroovyCodeVisitor

public class SqlOrderByVisitor
extends CodeVisitorSupport

AST visitor used by DataSet to derive an SQL ORDER BY clause from a simple sort closure.

Constructor Summary

Constructors

Constructor	Description
SqlOrderByVisitor()

Method Summary

Modifier and Type	Method	Description
String	getOrderBy()	Returns the SQL ORDER BY fragment built so far.
void	visitPropertyExpression(PropertyExpression expression)	Appends the referenced property name as the next order-by term.
void	visitReturnStatement(ReturnStatement statement)	Visits the closure return expression that defines the sort key.

Methods inherited from class org.codehaus.groovy.ast.CodeVisitorSupport

afterSwitchCaseStatementsVisited, afterSwitchConditionExpressionVisited, visitArgumentlistExpression, visitArrayExpression, visitAssertStatement, visitAttributeExpression, visitBinaryExpression, visitBitwiseNegationExpression, visitBlockStatement, visitBooleanExpression, visitBreakStatement, visitBytecodeExpression, visitCaseStatement, visitCastExpression, visitCatchStatement, visitClassExpression, visitClosureExpression, visitClosureListExpression, visitConstantExpression, visitConstructorCallExpression, visitContinueStatement, visitDeclarationExpression, visitDoWhileLoop, visitEmptyStatement, visitExpressionStatement, visitFieldExpression, visitForLoop, visitGStringExpression, visitIfElse, visitLambdaExpression, visitListExpression, visitMapEntryExpression, visitMapExpression, visitMethodCallExpression, visitMethodPointerExpression, visitMethodReferenceExpression, visitNotExpression, visitPostfixExpression, visitPrefixExpression, visitRangeExpression, visitShortTernaryExpression, visitSpreadExpression, visitSpreadMapExpression, visitStaticMethodCallExpression, visitSwitch, visitSynchronizedStatement, visitTernaryExpression, visitThrowStatement, visitTryCatchFinally, visitTupleExpression, visitUnaryMinusExpression, visitUnaryPlusExpression, visitVariableExpression, visitWhileLoop

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.codehaus.groovy.ast.GroovyCodeVisitor

visit, visit, visitEmptyExpression, visitListOfExpressions

Constructor Details

SqlOrderByVisitor

public SqlOrderByVisitor()

Method Details

getOrderBy

public String getOrderBy()

Returns the SQL ORDER BY fragment built so far.

Returns:

the derived order-by fragment

visitReturnStatement

public void visitReturnStatement(ReturnStatement statement)

Visits the closure return expression that defines the sort key.

Specified by:

visitReturnStatement in interface GroovyCodeVisitor

Overrides:

visitReturnStatement in class CodeVisitorSupport

Parameters:

statement - the return statement to visit

visitPropertyExpression

public void visitPropertyExpression(PropertyExpression expression)

Appends the referenced property name as the next order-by term.

Specified by:

visitPropertyExpression in interface GroovyCodeVisitor

Overrides:

visitPropertyExpression in class CodeVisitorSupport

Parameters:

expression - the property expression to visit