Package com.yahoo.vespa.indexinglanguage.expressions

Class ExpressionList<T extends Expression>

java.lang.Object

com.yahoo.vespa.objects.Selectable

com.yahoo.vespa.indexinglanguage.expressions.Expression

com.yahoo.vespa.indexinglanguage.expressions.CompositeExpression

com.yahoo.vespa.indexinglanguage.expressions.ExpressionList<T>

All Implemented Interfaces:

Iterable<T>

Direct Known Subclasses:

CatExpression, ChoiceExpression, ScriptExpression, StatementExpression

public abstract class ExpressionList<T extends Expression>
extends CompositeExpression
implements Iterable<T>

Author:

Simon Thoresen Hult

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ExpressionList(Iterable<? extends T> expressions)

Method Summary

Modifier and Type	Method	Description
List<T>	asList()
protected List<Expression>	convertChildList(ExpressionConverter converter)
boolean	equals(Object obj)
List<T>	expressions()
T	get(int idx)
int	hashCode()
boolean	isEmpty()
Iterator<T>	iterator()
boolean	requiresInput()	Returns whether this expression requires an input value.
void	selectMembers(com.yahoo.vespa.objects.ObjectPredicate predicate, com.yahoo.vespa.objects.ObjectOperation operation)
void	setStatementOutput(com.yahoo.document.DocumentType documentType, com.yahoo.document.Field field)	Sets the document type and field the statement this expression is part of will write to
int	size()

Methods inherited from class com.yahoo.vespa.indexinglanguage.expressions.CompositeExpression

convertChildren, toScriptBlock

Methods inherited from class com.yahoo.vespa.indexinglanguage.expressions.Expression

doExecute, doResolve, execute, execute, execute, execute, execute, execute, execute, execute, execute, execute, execute, execute, fromString, fromString, getInputType, getOutputType, getOutputType, isMutating, leastGeneralNonNullOf, leastGeneralOf, mostGeneralOf, newInstance, requireOutputType, resolve, resolve, resolve, resolve, resolve, resolve, resolve, resolve, resolve, setInputType, setInputType, setOutputType, setOutputType

Methods inherited from class com.yahoo.vespa.objects.Selectable

select, select

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

ExpressionList

protected ExpressionList(Iterable<? extends T> expressions)

Method Details

requiresInput

public boolean requiresInput()

Description copied from class: Expression

Returns whether this expression requires an input value.

Overrides:

requiresInput in class Expression

expressions

public List<T> expressions()

convertChildList

protected List<Expression> convertChildList(ExpressionConverter converter)

setStatementOutput

public void setStatementOutput(com.yahoo.document.DocumentType documentType,
 com.yahoo.document.Field field)

Description copied from class: Expression

Sets the document type and field the statement this expression is part of will write to

Overrides:

setStatementOutput in class Expression

size

public int size()

get

public T get(int idx)

isEmpty

public boolean isEmpty()

asList

public List<T> asList()

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T extends Expression>

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

selectMembers

public void selectMembers(com.yahoo.vespa.objects.ObjectPredicate predicate,
 com.yahoo.vespa.objects.ObjectOperation operation)

Overrides:

selectMembers in class com.yahoo.vespa.objects.Selectable