public List<String> getDimensions(
String collection, MultivaluedMap<String, String> selectedDimensionValues) throws Exception {
CollectionSchema schema = dataCache.getCollectionSchema(serverUri, collection);
Set<String> selectedDimensions =
(selectedDimensionValues == null ? null : selectedDimensionValues.keySet());
if (CollectionUtils.isEmpty(selectedDimensions)) {
return schema.getDimensions();
}
List<String> filteredDimensions =
new ArrayList<>(CollectionUtils.subtract(schema.getDimensions(), selectedDimensions));
Collections.sort(filteredDimensions);
return filteredDimensions;
}
/**
* Return a sorted map of dimension -> aliases for the provided collection. If no alias exists,
* 'null' will be returned in the JSON response. This method does not filter out pre-selected
* dimensions.
*/
@GET
@Path("/dimensionAliases/{collection}")
public Map<String, String> getDimensionAliases(@PathParam("collection") String collection)
throws Exception {
CollectionSchema schema = dataCache.getCollectionSchema(serverUri, collection);
Iterator<String> dimensionsIter = schema.getDimensions().iterator();
Iterator<String> dimensionAliasesIter = schema.getDimensionAliases().iterator();
Map<String, String> aliasMap = new TreeMap<>();
while (dimensionsIter.hasNext()) {
String dimension = dimensionsIter.next();
String dimensionAlias = dimensionAliasesIter.next();
aliasMap.put(dimension, dimensionAlias);
}
return aliasMap;
}
/**
* Return a list of metric aliases for the provided collection. If no alias exists, 'null' will be
* returned in the JSON response.
*/
@GET
@Path("/metricAliases/{collection}")
public Map<String, String> getMetricAliases(@PathParam("collection") String collection)
throws Exception {
CollectionSchema schema = dataCache.getCollectionSchema(serverUri, collection);
List<String> metricAliases = schema.getMetricAliases();
Iterator<String> metricsIter = getMetrics(collection).iterator();
Iterator<String> metricAliasesIter = metricAliases.iterator();
Map<String, String> aliasMap = new TreeMap<>();
while (metricsIter.hasNext()) {
String metric = metricsIter.next();
String metricAlias = metricAliasesIter.next();
aliasMap.put(metric, metricAlias);
}
return aliasMap;
}
public List<String> getMetricAliasesAsList(String collection) throws Exception {
CollectionSchema schema = dataCache.getCollectionSchema(serverUri, collection);
return schema.getMetricAliases();
}
/** Return a list of metrics for the provided collection. */
@GET
@Path("/metrics/{collection}")
public List<String> getMetrics(@PathParam("collection") String collection) throws Exception {
CollectionSchema schema = dataCache.getCollectionSchema(serverUri, collection);
return schema.getMetrics();
}