com.redhat.lightblue.query

Class UnsetExpression

java.lang.Object

com.redhat.lightblue.util.JsonObject

com.redhat.lightblue.query.UpdateExpression

com.redhat.lightblue.query.PartialUpdateExpression

com.redhat.lightblue.query.PrimitiveUpdateExpression

com.redhat.lightblue.query.UnsetExpression

All Implemented Interfaces:

Serializable

public class UnsetExpression
extends PrimitiveUpdateExpression

Expression to remove a field

 primitive_update_expression := { $set : { path : rvalue_expression , ...} } |
                                { $unset : path } |
                                { $unset :[ path, ... ] }
                                { $add : { path : rvalue_expression, ... } }
 

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UnsetExpression(List<Path> list) Constructs an unset expression using the given list

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
static UnsetExpression	fromJson(com.fasterxml.jackson.databind.node.ObjectNode node) Parses an unset expression using the given json object
List<Path>	getFields() Returns the fields to be removed
int	hashCode()
com.fasterxml.jackson.databind.JsonNode	toJson()

Methods inherited from class com.redhat.lightblue.query.UpdateExpression

fromJson

Methods inherited from class com.redhat.lightblue.util.JsonObject

getFactory, getSourceNode, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

UnsetExpression

public UnsetExpression(List<Path> list)

Constructs an unset expression using the given list

Method Detail

getFields

public List<Path> getFields()

Returns the fields to be removed

toJson

public com.fasterxml.jackson.databind.JsonNode toJson()

Specified by:

toJson in class JsonObject

fromJson

public static UnsetExpression fromJson(com.fasterxml.jackson.databind.node.ObjectNode node)

Parses an unset expression using the given json object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object