com.saperion.database.query

Class NodeExpression<ExpressionType>

java.lang.Object

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

All Implemented Interfaces:

QueryExpression<ExpressionType>, Serializable

Direct Known Subclasses:

BinaryFunction, SelectQuery, UnaryOperator

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

Abstract super class for query expressions that have child expressions

Author:

jschwarz

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NodeExpression(Class<ExpressionType> expressionTypeClass, List<QueryExpression<?>> children)
protected	NodeExpression(Class<ExpressionType> expressionTypeClass, QueryExpression<?>... children)

Method Summary

Methods

Modifier and Type	Method and Description
protected List<QueryExpression<?>>	getChildren()
Class<ExpressionType>	getExpressionType()
<T extends QueryExpression<?>> List<T>	listDescendantsOfType(Class<T> type)
<T extends QueryExpression<?>> List<NodeExpression<?>>	listParentsOfDescendantsOfType(Class<T> type)
protected void	setChild(int position, QueryExpression<?> child)

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

appendQueryParameters, asQueryLanguage, copy, precedence, queryStringSizeGuess

Constructor Detail

NodeExpression

protected NodeExpression(Class<ExpressionType> expressionTypeClass,
              List<QueryExpression<?>> children)

NodeExpression

protected NodeExpression(Class<ExpressionType> expressionTypeClass,
              QueryExpression<?>... children)

Method Detail

getChildren

protected List<QueryExpression<?>> getChildren()

setChild

protected void setChild(int position,
            QueryExpression<?> child)

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>