Examples with CacheAndNetworkFetcher com.apollographql.apollo.internal.fetcher.CacheAndNetworkFetcher used on opensource projects

Example 1 with CacheAndNetworkFetcher

use of com.apollographql.apollo.internal.fetcher.CacheAndNetworkFetcher in project aws-mobile-appsync-sdk-android by awslabs.

the class Posts method query.

/**
 * Queries for a post with a given ID.
 * @param client AppSync client through which to make the query
 * @param responseFetcher A fetcher, e.g. {@link CacheAndNetworkFetcher}
 * @param postId ID of a post for which to query
 * @return cached/network responses, labeled in a Map as "NETWORK" and/or "CACHE"
 */
public static Map<String, Response<GetPostQuery.Data>> query(AWSAppSyncClient client, ResponseFetcher responseFetcher, String postId) {
    Log.d(TAG, "Calling Query queryPost with responseFetcher: " + responseFetcher.toString());
    int expectedResponseCount = responseFetcher.equals(AppSyncResponseFetchers.CACHE_AND_NETWORK) ? 2 : 1;
    CountDownLatch queryCountDownLatch = new CountDownLatch(expectedResponseCount);
    Map<String, Response<GetPostQuery.Data>> getPostQueryResponses = new HashMap<>();
    client.query(GetPostQuery.builder().id(postId).build()).responseFetcher(responseFetcher).enqueue(DelegatingGraphQLCallback.to(response -> {
        if (response.fromCache()) {
            getPostQueryResponses.put("CACHE", response);
        } else {
            getPostQueryResponses.put("NETWORK", response);
        }
        queryCountDownLatch.countDown();
    }, failure -> {
        failure.printStackTrace();
        queryCountDownLatch.countDown();
    }));
    Await.latch(queryCountDownLatch);
    Log.d(TAG, "responseFetcher: " + responseFetcher.toString() + "; Cache response: " + getPostQueryResponses.get("CACHE"));
    Log.d(TAG, "responseFetcher: " + responseFetcher.toString() + "; Network response: " + getPostQueryResponses.get("NETWORK"));
    return getPostQueryResponses;
}