com.cloudera.oryx.app.serving.als

Class Estimate

java.lang.Object

com.cloudera.oryx.api.serving.OryxResource

com.cloudera.oryx.app.serving.AbstractOryxResource

com.cloudera.oryx.app.serving.als.Estimate

@Singleton
 @Path(value="/estimate")
public final class Estimate
extends AbstractOryxResource

Responds to a GET request to /estimate/[userID]/[itemID].

The results are opaque values which estimate the strength of interaction between a user and item. Higher values mean stronger interaction.

This REST endpoint can also compute several estimates at once. Send a GET request to /estimate/[userID]/[itemID1](/[itemID2]/...).

If the user is not known to the model, a Response.Status.NOT_FOUND response is generated. If any item is not known, then that entry in the response will be 0.

The output are estimates, in the same order as the item IDs. For default CSV output, each line contains one estimate. For JSON output, the result is an array of estimates.

Field Summary

Fields inherited from class com.cloudera.oryx.api.serving.OryxResource

INPUT_PRODUCER_KEY, MODEL_MANAGER_KEY

Constructor Summary

Constructors

Constructor and Description
Estimate()

Method Summary

Modifier and Type	Method and Description
List<Double>	get(String userID, List<javax.ws.rs.core.PathSegment> pathSegmentsList)

Methods inherited from class com.cloudera.oryx.app.serving.AbstractOryxResource

check, check, checkExists, checkNotReadOnly, getServingModel, isReadOnly, maybeBuffer, maybeBuffer, maybeDecompress, parseMultipart, sendInput

Methods inherited from class com.cloudera.oryx.api.serving.OryxResource

getInputProducer, getServingModelManager, init

Methods inherited from class java.lang.Object

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

Constructor Detail

Estimate

public Estimate()

Method Detail

get

@GET
 @Path(value="{userID}/{itemID : .+}")
 @Produces(value={"text/plain","text/csv","application/json"})
public List<Double> get(@PathParam(value="userID")
                                                                                                                                   String userID,
                                                                                                                                   @PathParam(value="itemID")
                                                                                                                                   List<javax.ws.rs.core.PathSegment> pathSegmentsList)
                                                                                                                            throws OryxServingException

Throws:

OryxServingException