org.tensorics.core.iterable.expressions

Class PickExpression<T>

java.lang.Object

org.tensorics.core.tree.domain.AbstractDeferredExpression<T>

org.tensorics.core.iterable.expressions.PickExpression<T>

Type Parameters:

T - the type of the data to pick

All Implemented Interfaces:

java.io.Serializable, Expression<T>, Node

Direct Known Subclasses:

LatestOfExpression

public class PickExpression<T>
extends AbstractDeferredExpression<T>
implements java.io.Serializable

Deferred expression that can pick an element of an, Expression of, Iterable. The PickExpression.Mode and the offset define the resulting element.

See Also:

PickResolver, Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PickExpression.Mode

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PickExpression(Expression<? extends java.lang.Iterable<T>> iterable, int offset, PickExpression.Mode mode)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
static <T> PickExpression<T>	fromFirst(Expression<? extends java.lang.Iterable<T>> iterable, int offset)
static <T> PickExpression<T>	fromLast(Expression<? extends java.lang.Iterable<T>> iterable, int offset)
java.util.List<? extends Node>	getChildren() Has to return the children of the node.
int	hashCode()
Expression<? extends java.lang.Iterable<T>>	iterableExpression()
PickExpression.Mode	mode()
int	offset()
java.lang.String	toString()

Methods inherited from class org.tensorics.core.tree.domain.AbstractDeferredExpression

get, isResolved

Methods inherited from class java.lang.Object

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

Constructor Detail

PickExpression

protected PickExpression(Expression<? extends java.lang.Iterable<T>> iterable,
                         int offset,
                         PickExpression.Mode mode)

Method Detail

fromFirst

public static <T> PickExpression<T> fromFirst(Expression<? extends java.lang.Iterable<T>> iterable,
                                              int offset)

fromLast

public static <T> PickExpression<T> fromLast(Expression<? extends java.lang.Iterable<T>> iterable,
                                             int offset)

getChildren

public java.util.List<? extends Node> getChildren()

Description copied from interface: Node

Has to return the children of the node. This must never return null

Specified by:

getChildren in interface Node

Returns:

a list containing all the children of the node

iterableExpression

public Expression<? extends java.lang.Iterable<T>> iterableExpression()

offset

public int offset()

mode

public PickExpression.Mode mode()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object