java.util.AbstractMap.SimpleImmutableEntry#getValue ( )源码实例Demo

/**
 * Filter the provided Metric and complete fields.
 */
private Metric filter(final Metric metric) {
    final Date time = metric.getTime() != null ? metric.getTime() : new Date();

    final Map<String, String> tags = selectTags(metric);
    final Map<String, String> commonResource = Maps.newHashMap(resource);
    commonResource.putAll(metric.getResource());

    final SimpleImmutableEntry<Map<String, String>, Map<String, String>>
        tagsAndResources = processTagsToResource(tags, commonResource);
    final Map<String, String> mergedTags = tagsAndResources.getKey();
    final Map<String, String> mergedResource = tagsAndResources.getValue();

    final Set<String> mergedRiemannTags = Sets.newHashSet(riemannTags);
    mergedRiemannTags.addAll(metric.getRiemannTags());

    return new Metric(metric.getKey(), metric.getValue(), time, mergedRiemannTags,
        mergedTags, mergedResource, metric.getProc());
}
 

/**
 * Filter the provided Batch and complete fields.
 */
private Batch filter(final Batch batch) {
    final Map<String, String> commonTags = Maps.newHashMap(tags);
    commonTags.putAll(batch.getCommonTags());

    final Map<String, String> commonResource = Maps.newHashMap(resource);
    commonResource.putAll(batch.getCommonResource());

    final SimpleImmutableEntry<Map<String, String>, Map<String, String>>
        tagsAndResources = processTagsToResource(commonTags, commonResource);
    final Map<String, String> mergedCommonTags = tagsAndResources.getKey();
    final Map<String, String> mergedCommonResource = tagsAndResources.getValue();

    final List<Batch.Point> points = batch.getPoints().stream().map(point -> {
        final Map<String, String> pointTags = point.getTags();
        final Map<String, String> pointResource = point.getResource();

        final SimpleImmutableEntry<Map<String, String>, Map<String, String>>
            pointTagsAndResources = processTagsToResource(pointTags, pointResource);
        final Map<String, String> mergedTags = pointTagsAndResources.getKey();
        final Map<String, String> mergedResource = pointTagsAndResources.getValue();

        return new Batch.Point(
            point.getKey(),
            mergedTags,
            mergedResource,
            point.getValue(),
            point.getTimestamp());

    }).collect(Collectors.toList());

    return new Batch(mergedCommonTags, mergedCommonResource, points);
}