com.saperion.database.query

Class LeafExpression<ExpressionType>

java.lang.Object

com.saperion.database.query.LeafExpression<ExpressionType>

All Implemented Interfaces:

QueryExpression<ExpressionType>, Serializable

Direct Known Subclasses:

BooleanLiteral, FieldReference, ParameterDefinition, ParameterReference, TableReference, TemplateParameter

public abstract class LeafExpression<ExpressionType>
extends Object
implements QueryExpression<ExpressionType>

Abstract implementation of every method leafs in the expression tree have in common

Author:

jschwarz

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LeafExpression(Class<ExpressionType> expressionTypeClass)

Method Summary

Methods

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.saperion.database.query.QueryExpression

asQueryLanguage, copy, queryStringSizeGuess

Constructor Detail

LeafExpression

protected LeafExpression(Class<ExpressionType> expressionTypeClass)

Method Detail

appendQueryParameters

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

Specified by:

appendQueryParameters in interface QueryExpression<ExpressionType>

precedence

public int precedence()

Specified by:

precedence in interface QueryExpression<ExpressionType>

listDescendantsOfType

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

Specified by:

listDescendantsOfType in interface QueryExpression<ExpressionType>

listParentsOfDescendantsOfType

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

Specified by:

listParentsOfDescendantsOfType in interface QueryExpression<ExpressionType>

getExpressionType

public Class<ExpressionType> getExpressionType()

Specified by:

getExpressionType in interface QueryExpression<ExpressionType>