com.cloudant.client.api.query

Class PredicatedOperation

java.lang.Object

com.cloudant.client.api.query.PredicatedOperation

All Implemented Interfaces:

Selector

public class PredicatedOperation
extends java.lang.Object
implements Selector

A PredicatedOperation allows multiple predicates (such as "equals 5") to be combined. Currently the only PredicatedOperation is $elemMatch.

These are also known as Combination Operators.

See Also:

PredicateExpression

Method Summary

Modifier and Type	Method and Description
static PredicatedOperation	elemMatch(java.lang.String lhs, PredicateExpression... rhs) Matches and returns all documents that contain an array field with at least one element that matches all the specified query criteria
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

elemMatch

public static PredicatedOperation elemMatch(java.lang.String lhs,
                                            PredicateExpression... rhs)

Matches and returns all documents that contain an array field with at least one element that matches all the specified query criteria

Parameters:

lhs - The field to check

rhs - The query criteria

Returns:

PredicatedOperation: lhs $elemMatch $rhs

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object