com.saperion.database.query

Class UnaryOperator<OperandExpressionType,ResultExpressionType>

java.lang.Object

com.saperion.database.query.NodeExpression<ResultExpressionType>

com.saperion.database.query.UnaryOperator<OperandExpressionType,ResultExpressionType>

All Implemented Interfaces:

QueryExpression<ResultExpressionType>, Serializable

Direct Known Subclasses:

IsEmpty, IsNotEmpty, IsNotNull, IsNull, Negation

public abstract class UnaryOperator<OperandExpressionType,ResultExpressionType>
extends NodeExpression<ResultExpressionType>
implements QueryExpression<ResultExpressionType>

Base class for unary operations.

Author:

jschwarz

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	UnaryOperator(Class<ResultExpressionType> resultClass, String operatorIdentifier, int precedence, QueryExpression<? extends OperandExpressionType> operand)

Method Summary

Methods

Modifier and Type	Method and Description
void	appendQueryParameters(QueryTextGenerator queryTextGenerator, Map<String,Object> parameterValues)
void	asQueryLanguage(QueryTextGenerator queryTextGenerator, StringBuilder builder)
QueryExpression<OperandExpressionType>	getOperand()
int	precedence()
int	queryStringSizeGuess(QueryTextGenerator queryTextGenerator)
void	setOperand(QueryExpression<? extends OperandExpressionType> operand)
String	toString()

Methods inherited from class com.saperion.database.query.NodeExpression

getChildren, getExpressionType, listDescendantsOfType, listParentsOfDescendantsOfType, setChild

Methods inherited from class java.lang.Object

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

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

copy, getExpressionType, listDescendantsOfType, listParentsOfDescendantsOfType

Constructor Detail

UnaryOperator

protected UnaryOperator(Class<ResultExpressionType> resultClass,
             String operatorIdentifier,
             int precedence,
             QueryExpression<? extends OperandExpressionType> operand)

Method Detail

asQueryLanguage

public void asQueryLanguage(QueryTextGenerator queryTextGenerator,
                   StringBuilder builder)

Specified by:

asQueryLanguage in interface QueryExpression<ResultExpressionType>

appendQueryParameters

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

Specified by:

appendQueryParameters in interface QueryExpression<ResultExpressionType>

queryStringSizeGuess

public int queryStringSizeGuess(QueryTextGenerator queryTextGenerator)

Specified by:

queryStringSizeGuess in interface QueryExpression<ResultExpressionType>

precedence

public int precedence()

Specified by:

precedence in interface QueryExpression<ResultExpressionType>

toString

public String toString()

Overrides:

toString in class Object

getOperand

public QueryExpression<OperandExpressionType> getOperand()

setOperand

public void setOperand(QueryExpression<? extends OperandExpressionType> operand)