com.saperion.database.query

Interface QueryExpression<ExpressionType>

All Superinterfaces:

Serializable

All Known Implementing Classes:

Addition, BinaryFunction, BinaryOperation, BooleanLiteral, Conjunction, Disjunction, Division, Equality, ExpressionMatches, FieldEquality, FieldIsLessThan, FieldReference, FilterValue, GreaterEqual, GreaterThan, In, Inequality, InternalBinaryFunction, IsEmpty, IsNotEmpty, IsNotNull, IsNull, LeafExpression, LessEqual, LessThan, MemberOf, Multiplication, Negation, NodeExpression, NotContained, NotMemberOf, ParameterDefinition, ParameterReference, SelectQuery, StringFieldStartsWith, Subtraction, TableReference, TemplateParameter, UnaryOperator

public interface QueryExpression<ExpressionType>
extends Serializable

An interface to describe syntactical parts of a database query.

Author:

jschwarz

Method Summary

Methods

Modifier and Type	Method and Description
void	appendQueryParameters(QueryTextGenerator queryTextGenerator, Map<String,Object> parameterValues)
void	asQueryLanguage(QueryTextGenerator queryTextGenerator, StringBuilder builder)
QueryExpression<ExpressionType>	copy()
Class<ExpressionType>	getExpressionType()
<T extends QueryExpression<?>> List<T>	listDescendantsOfType(Class<T> type)
<T extends QueryExpression<?>> List<NodeExpression<?>>	listParentsOfDescendantsOfType(Class<T> type)
int	precedence()
int	queryStringSizeGuess(QueryTextGenerator queryTextGenerator)

Method Detail

asQueryLanguage

void asQueryLanguage(QueryTextGenerator queryTextGenerator,
                   StringBuilder builder)

appendQueryParameters

void appendQueryParameters(QueryTextGenerator queryTextGenerator,
                         Map<String,Object> parameterValues)

queryStringSizeGuess

int queryStringSizeGuess(QueryTextGenerator queryTextGenerator)

precedence

int precedence()

listDescendantsOfType

<T extends QueryExpression<?>> List<T> listDescendantsOfType(Class<T> type)

listParentsOfDescendantsOfType

<T extends QueryExpression<?>> List<NodeExpression<?>> listParentsOfDescendantsOfType(Class<T> type)

copy

QueryExpression<ExpressionType> copy()

getExpressionType

Class<ExpressionType> getExpressionType()