Package com.inductiveautomation.factorypmi.application.gateway

Class NQuery

java.lang.Object

com.inductiveautomation.factorypmi.application.gateway.NQuery

All Implemented Interfaces:

IQuery

public class NQuery
extends Object
implements IQuery

Like a SQLQuery, except for named queries. Used by the NamedQueryAdapter and the NamedQueryTagBinding to execute the actual query via RPC and return a dataset of the results.

Constructor Summary

Constructors

Constructor	Description
NQuery(String queryPath, Map<String,Object> paramValues, VisionClientContext context)

Method Summary

Modifier and Type	Method	Description
Dataset	execute(GatewayInterface ifc)	Executes the query and returns a dataset of the result.

Methods inherited from class java.lang.Object

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

Constructor Details

NQuery

public NQuery(@Nullable
 String queryPath,
 @Nullable
 Map<String,Object> paramValues,
 @Nonnull
 VisionClientContext context)

Method Details

execute

public Dataset execute(GatewayInterface ifc)
                throws GatewayException

Executes the query and returns a dataset of the result.

Specified by:

execute in interface IQuery

Parameters:

ifc - Unused, may be null

Returns:

A Dataset of the result (may be empty)

Throws:

GatewayException - If there was an error executing the query, the exception thrown will be converted to a GatewayException