Package com.blazebit.persistence.parser

Class SimpleQueryGenerator

java.lang.Object

com.blazebit.persistence.parser.SimpleQueryGenerator

All Implemented Interfaces:

Expression.Visitor

public class SimpleQueryGenerator
extends Object
implements Expression.Visitor

Since:

1.0.0

Author:

Christian Beikov, Moritz Becker

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	SimpleQueryGenerator.BooleanLiteralRenderingContext
static enum	SimpleQueryGenerator.ParameterRenderingMode

Field Summary

Fields

Modifier and Type	Field	Description
protected StringBuilder	sb

Constructor Summary

Constructors

Constructor	Description
SimpleQueryGenerator()

Method Summary

Modifier and Type	Method	Description
void	clear()
protected String	escapeCharacter(char character)
void	generate(Expression expression)
protected String	getBooleanConditionalExpression(boolean value)
protected String	getBooleanExpression(boolean value)
SimpleQueryGenerator.BooleanLiteralRenderingContext	getBooleanLiteralRenderingContext()
protected String	getFrameExclusionType(WindowFrameExclusionType frameExclusionType)
protected String	getFrameType(WindowFramePositionType frameStartType)
protected String	getLiteralParameterValue(ParameterExpression expression)
StringBuilder	getQueryBuffer()
protected Set<String>	getSupportedEnumTypes()
static SimpleQueryGenerator	getThreadLocalInstance()	Returns the thread local SimpleQueryGenerator instance.
protected boolean	isSimpleSubquery(SubqueryExpression expression)
protected boolean	needsParenthesisForCaseResult(Expression expression)
protected void	renderLikePattern(LikePredicate predicate)
SimpleQueryGenerator.BooleanLiteralRenderingContext	setBooleanLiteralRenderingContext(SimpleQueryGenerator.BooleanLiteralRenderingContext booleanLiteralRenderingContext)
SimpleQueryGenerator.ParameterRenderingMode	setParameterRenderingMode(SimpleQueryGenerator.ParameterRenderingMode parameterRenderingMode)
void	setQueryBuffer(StringBuilder sb)
void	visit(ArithmeticExpression expression)
void	visit(ArithmeticFactor expression)
void	visit(ArrayExpression expression)
void	visit(DateLiteral expression)
void	visit(EntityLiteral expression)
void	visit(EnumLiteral expression)
void	visit(FunctionExpression expression)
void	visit(GeneralCaseExpression expression)
void	visit(ListIndexExpression expression)
void	visit(MapEntryExpression expression)
void	visit(MapKeyExpression expression)
void	visit(MapValueExpression expression)
void	visit(NullExpression expression)
void	visit(NumericLiteral expression)
void	visit(ParameterExpression expression)
void	visit(PathExpression expression)
void	visit(PropertyExpression expression)
void	visit(SimpleCaseExpression expression)
void	visit(StringLiteral expression)
void	visit(SubqueryExpression expression)
void	visit(TimeLiteral expression)
void	visit(TimestampLiteral expression)
void	visit(TreatExpression expression)
void	visit(TrimExpression expression)
void	visit(TypeFunctionExpression expression)
void	visit(WhenClauseExpression expression)
void	visit(BetweenPredicate predicate)
void	visit(BooleanLiteral expression)
void	visit(CompoundPredicate predicate)
void	visit(EqPredicate predicate)
void	visit(ExistsPredicate predicate)
void	visit(GePredicate predicate)
void	visit(GtPredicate predicate)
void	visit(InPredicate predicate)
void	visit(IsEmptyPredicate predicate)
void	visit(IsNullPredicate predicate)
void	visit(LePredicate predicate)
void	visit(LikePredicate predicate)
void	visit(LtPredicate predicate)
void	visit(MemberOfPredicate predicate)
protected void	visitWhenClauseCondition(Expression condition)
protected void	visitWindowDefinition(WindowDefinition windowDefinition)

Methods inherited from class java.lang.Object

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

Field Details

sb

protected StringBuilder sb

Constructor Details

SimpleQueryGenerator

public SimpleQueryGenerator()

Method Details

getThreadLocalInstance

public static SimpleQueryGenerator getThreadLocalInstance()

Returns the thread local SimpleQueryGenerator instance. Take special care that this method is not invoked in a nested context since SimpleQueryGenerator is mutable. Always invoke clear

Returns:

the thread local instance

generate

public void generate(Expression expression)

clear

public void clear()

setBooleanLiteralRenderingContext

public SimpleQueryGenerator.BooleanLiteralRenderingContext setBooleanLiteralRenderingContext(SimpleQueryGenerator.BooleanLiteralRenderingContext booleanLiteralRenderingContext)

getBooleanLiteralRenderingContext

public SimpleQueryGenerator.BooleanLiteralRenderingContext getBooleanLiteralRenderingContext()

getQueryBuffer

public StringBuilder getQueryBuffer()

setQueryBuffer

public void setQueryBuffer(StringBuilder sb)

getBooleanConditionalExpression

protected String getBooleanConditionalExpression(boolean value)

setParameterRenderingMode

public SimpleQueryGenerator.ParameterRenderingMode setParameterRenderingMode(SimpleQueryGenerator.ParameterRenderingMode parameterRenderingMode)

getBooleanExpression

protected String getBooleanExpression(boolean value)

escapeCharacter

protected String escapeCharacter(char character)

renderLikePattern

protected void renderLikePattern(LikePredicate predicate)

visit

public void visit(CompoundPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(EqPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(IsNullPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(IsEmptyPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(MemberOfPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(LikePredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(BetweenPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(InPredicate predicate)

Specified by:

visit in interface Expression.Visitor

isSimpleSubquery

protected boolean isSimpleSubquery(SubqueryExpression expression)

visit

public void visit(ExistsPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(GtPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(GePredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(LtPredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(LePredicate predicate)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(ParameterExpression expression)

Specified by:

visit in interface Expression.Visitor

getSupportedEnumTypes

protected Set<String> getSupportedEnumTypes()

getLiteralParameterValue

protected String getLiteralParameterValue(ParameterExpression expression)

visit

public void visit(NullExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(PathExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(PropertyExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(SubqueryExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(ListIndexExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(MapEntryExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(MapKeyExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(MapValueExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(FunctionExpression expression)

Specified by:

visit in interface Expression.Visitor

visitWindowDefinition

protected void visitWindowDefinition(WindowDefinition windowDefinition)

getFrameExclusionType

protected String getFrameExclusionType(WindowFrameExclusionType frameExclusionType)

getFrameType

protected String getFrameType(WindowFramePositionType frameStartType)

visit

public void visit(TypeFunctionExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(TrimExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(GeneralCaseExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(SimpleCaseExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(WhenClauseExpression expression)

Specified by:

visit in interface Expression.Visitor

visitWhenClauseCondition

protected void visitWhenClauseCondition(Expression condition)

needsParenthesisForCaseResult

protected boolean needsParenthesisForCaseResult(Expression expression)

visit

public void visit(ArrayExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(TreatExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(ArithmeticExpression expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(ArithmeticFactor expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(NumericLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(BooleanLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(StringLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(DateLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(TimeLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(TimestampLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(EnumLiteral expression)

Specified by:

visit in interface Expression.Visitor

visit

public void visit(EntityLiteral expression)

Specified by:

visit in interface Expression.Visitor