Example usage for com.amazonaws.services.iot.model ListThingsRequest ListThingsRequest

Introduction

In this page you can find the example usage for com.amazonaws.services.iot.model ListThingsRequest ListThingsRequest.

Prototype

ListThingsRequest

Source Link

Usage

From source file:io.klerch.alexa.state.handler.AWSIotStateHandler.java

License:Open Source License

private boolean doesThingExist(final String thingName) {
    // if already checked existence than return immediately
    if (thingsExisting.contains(thingName))
        return true;
    // query by an attribute having the name of the thing
    // unfortunately you can only query for things with their attributes, not directly with their names
    final ListThingsRequest request = new ListThingsRequest().withAttributeName(thingAttributeName)
            .withAttributeValue(thingName).withMaxResults(1);
    final ListThingsResult result = awsClient.listThings(request);
    if (result != null && result.getThings() != null && result.getThings().isEmpty()) {
        thingsExisting.add(thingName);/*from   w ww .  j  av  a 2s.c  o  m*/
        return true;
    }
    return false;
}

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