Example usage for org.springframework.util.concurrent ListenableFutureAdapter ListenableFutureAdapter

Introduction

In this page you can find the example usage for org.springframework.util.concurrent ListenableFutureAdapter ListenableFutureAdapter.

Prototype

protected ListenableFutureAdapter(ListenableFuture<S> adaptee) 

Source Link

Document

Construct a new ListenableFutureAdapter with the given adaptee.

Usage

From source file:com.orange.ngsi2.client.Ngsi2Client.java

/**
 * @return the list of supported operations under /v2
 *///from   w w w. j a va  2  s.  c  o m
public ListenableFuture<Map<String, String>> getV2() {
    ListenableFuture<ResponseEntity<JsonNode>> responseFuture = request(HttpMethod.GET, baseURL + "v2", null,
            JsonNode.class);
    return new ListenableFutureAdapter<Map<String, String>, ResponseEntity<JsonNode>>(responseFuture) {
        @Override
        protected Map<String, String> adapt(ResponseEntity<JsonNode> result) throws ExecutionException {
            Map<String, String> services = new HashMap<>();
            result.getBody().fields()
                    .forEachRemaining(entry -> services.put(entry.getKey(), entry.getValue().textValue()));
            return services;
        }
    };
}

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From source file:com.orange.ngsi.client.NgsiClient.java

/**
 * Make an HTTP request//w  ww  .ja  va2 s. c  o  m
 */
protected <T, U> ListenableFuture<T> request(HttpMethod method, String url, HttpHeaders httpHeaders, U body,
        Class<T> responseType) {
    if (httpHeaders == null) {
        httpHeaders = getRequestHeaders(url, null);
    }
    HttpEntity<U> requestEntity = new HttpEntity<>(body, httpHeaders);

    ListenableFuture<ResponseEntity<T>> future = asyncRestTemplate.exchange(url, method, requestEntity,
            responseType);

    return new ListenableFutureAdapter<T, ResponseEntity<T>>(future) {
        @Override
        protected T adapt(ResponseEntity<T> result) throws ExecutionException {
            return result.getBody();
        }
    };
}

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From source file:com.orange.ngsi2.client.Ngsi2Client.java

/**
 * Retrieve the list of all Registrations
 * @return a list of registrations//from   w  ww. j a v  a  2  s .  com
 */
public ListenableFuture<List<Registration>> getRegistrations() {

    UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(baseURL);
    builder.path("v2/registrations");

    ListenableFuture<ResponseEntity<Registration[]>> e = request(HttpMethod.GET, builder.toUriString(), null,
            Registration[].class);
    return new ListenableFutureAdapter<List<Registration>, ResponseEntity<Registration[]>>(e) {
        @Override
        protected List<Registration> adapt(ResponseEntity<Registration[]> result) throws ExecutionException {
            return new ArrayList<>(Arrays.asList(result.getBody()));
        }
    };
}

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From source file:com.orange.ngsi2.client.Ngsi2Client.java

/**
 * Create a new subscription//  w w  w  .j  a  v  a  2 s. com
 * @param subscription the Subscription to add
 * @return subscription Id
 */
public ListenableFuture<String> addSubscription(Subscription subscription) {
    ListenableFuture<ResponseEntity<Void>> s = request(HttpMethod.POST,
            UriComponentsBuilder.fromHttpUrl(baseURL).path("v2/subscriptions").toUriString(), subscription,
            Void.class);
    return new ListenableFutureAdapter<String, ResponseEntity<Void>>(s) {
        @Override
        protected String adapt(ResponseEntity<Void> result) throws ExecutionException {
            return extractId(result);
        }
    };
}

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From source file:com.orange.ngsi2.client.Ngsi2Client.java

private <T> ListenableFuture<T> adapt(ListenableFuture<ResponseEntity<T>> responseEntityListenableFuture) {
    return new ListenableFutureAdapter<T, ResponseEntity<T>>(responseEntityListenableFuture) {
        @Override/*  w ww  .j  a  v  a  2  s .c om*/
        protected T adapt(ResponseEntity<T> result) throws ExecutionException {
            return result.getBody();
        }
    };
}

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From source file:com.orange.ngsi2.client.Ngsi2Client.java

private <T> ListenableFuture<Paginated<T>> adaptPaginated(
        ListenableFuture<ResponseEntity<T[]>> responseEntityListenableFuture, int offset, int limit) {
    return new ListenableFutureAdapter<Paginated<T>, ResponseEntity<T[]>>(responseEntityListenableFuture) {
        @Override//from   w w w .  j av a2  s .  co  m
        protected Paginated<T> adapt(ResponseEntity<T[]> result) throws ExecutionException {
            return new Paginated<>(Arrays.asList(result.getBody()), offset, limit, extractTotalCount(result));
        }
    };
}

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