com.yahoo.bullet.query

Class Projection

java.lang.Object

com.yahoo.bullet.query.Projection

All Implemented Interfaces:

Serializable

public class Projection
extends Object
implements Serializable

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Projection.Type The type of the Projection decides how its fields are projected.

Constructor Summary

Constructors

Constructor and Description
Projection() Default constructor that creates a PASS_THROUGH projection.
Projection(List<Field> fields, boolean copy) Constructor that creates a COPY or NO_COPY projection.

Method Summary

Modifier and Type	Method and Description
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Projection

public Projection()

Default constructor that creates a PASS_THROUGH projection.

Projection

public Projection(List<Field> fields,
                  boolean copy)

Constructor that creates a COPY or NO_COPY projection.

Parameters:

fields - The list of fields to project. Must not be null or contain null fields.

copy - Whether the projection should copy or not copy.

Method Detail

toString

public String toString()

Overrides:

toString in class Object