com.redhat.lightblue.eval

Class ArrayRangeProjector

java.lang.Object

com.redhat.lightblue.eval.Projector

com.redhat.lightblue.eval.ArrayProjector

com.redhat.lightblue.eval.ArrayRangeProjector

public class ArrayRangeProjector
extends ArrayProjector

Projector that returns a range of elements from an array

Constructor Summary

Constructors

Constructor and Description
ArrayRangeProjector(ArrayRangeProjection p, Path ctxPath, FieldTreeNode ctx) Ctor

Method Summary

Modifier and Type	Method and Description
protected Projection.Inclusion	projectArray(Path p, QueryEvaluationContext ctx) Check if the array element matches.

Methods inherited from class com.redhat.lightblue.eval.ArrayProjector

getArrayFieldPattern, getNestedProjector, getSort, isIncluded, project, sortArray

Methods inherited from class com.redhat.lightblue.eval.Projector

getInstance, getInstance, project

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayRangeProjector

public ArrayRangeProjector(ArrayRangeProjection p,
                           Path ctxPath,
                           FieldTreeNode ctx)

Ctor

Parameters:

p - The projection expression

ctxPath - The absolute path relative to which this is to be interpreted

context - The metadata node at which this is to be interpreted

Method Detail

projectArray

protected Projection.Inclusion projectArray(Path p,
                                            QueryEvaluationContext ctx)

Description copied from class: ArrayProjector

Check if the array element matches. This is called after determining that the path points to a field that can be interpreted by this projector.

Specified by:

projectArray in class ArrayProjector