com.redhat.lightblue.query

Class NaryRelationalExpression

java.lang.Object

com.redhat.lightblue.util.JsonObject

com.redhat.lightblue.query.QueryExpression

com.redhat.lightblue.query.ComparisonExpression

com.redhat.lightblue.query.RelationalExpression

com.redhat.lightblue.query.NaryRelationalExpression

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

NaryFieldRelationalExpression, NaryValueRelationalExpression

public abstract class NaryRelationalExpression
extends RelationalExpression

Represents a query of the form

 nary_relational_expression := { field: ,
                                 op: nary_comparison_operator,
                                 values: value_list_array }
 

or

 nary_relational_expression := { field: ,
                                 op: nary_comparison_operator,
                                 rfield: array_field }
 

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NaryRelationalExpression(Path field, NaryRelationalOperator op) Ctor with the given values

Method Summary

Methods

Modifier and Type	Method and Description
static NaryRelationalExpression	fromJson(com.fasterxml.jackson.databind.node.ObjectNode node) Parses an n-ary relational expression from the given json object
Path	getField() The field.
NaryRelationalOperator	getOp() The operator

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

bind, bind, fromJson, getBindableClauses, getBindableClauses, getQueryFields, getQueryFields, getQueryFields, isRequired, isRequired

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

getFactory, getSourceNode, toJson, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

NaryRelationalExpression

public NaryRelationalExpression(Path field,
                        NaryRelationalOperator op)

Ctor with the given values

Method Detail

getField

public Path getField()

The field. If this is a nested query, the field is relative to the context

getOp

public NaryRelationalOperator getOp()

The operator

fromJson

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

Parses an n-ary relational expression from the given json object