[
https://issues.apache.org/jira/browse/METRON-684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15851689#comment-15851689
]
ASF GitHub Bot commented on METRON-684:
---------------------------------------
Github user nickwallen commented on a diff in the pull request:
https://github.com/apache/incubator-metron/pull/435#discussion_r99368863
--- Diff:
metron-analytics/metron-profiler-client/src/main/java/org/apache/metron/profiler/client/stellar/Util.java
---
@@ -0,0 +1,117 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+package org.apache.metron.profiler.client.stellar;
+
+import org.apache.commons.lang.StringUtils;
+import org.apache.metron.common.dsl.Context;
+import org.apache.metron.common.dsl.ParseException;
+import org.apache.metron.common.utils.ConversionUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static java.lang.String.format;
+import static
org.apache.metron.common.dsl.Context.Capabilities.GLOBAL_CONFIG;
+
+public class Util {
+ private static final Logger LOG = LoggerFactory.getLogger(Util.class);
+
+ /**
+ * Ensure that the required capabilities are defined.
+ * @param context The context to validate.
+ * @param required The required capabilities.
+ * @throws IllegalStateException if all of the required capabilities are
not present in the Context.
+ */
+ public static void validateCapabilities(Context context,
Context.Capabilities[] required) throws IllegalStateException {
+
+ // collect the name of each missing capability
+ String missing = Stream
+ .of(required)
+ .filter(c -> !context.getCapability(c).isPresent())
+ .map(c -> c.toString())
+ .collect(Collectors.joining(", "));
+
+ if(StringUtils.isNotBlank(missing) || context == null) {
+ throw new IllegalStateException("missing required context: " +
missing);
+ }
+ }
+ /**
--- End diff --
Minor spacing issues (1 empty line between methods) here and later in the
file.
> Decouple Timestamp calculation from PROFILE_GET
> -----------------------------------------------
>
> Key: METRON-684
> URL: https://issues.apache.org/jira/browse/METRON-684
> Project: Metron
> Issue Type: Improvement
> Reporter: Casey Stella
> Assignee: Casey Stella
>
> Currently PROFILE_GET only supports a static lookback of a fixed duration.
> As we have more complicated, potentially sparse, lookbacks (e.g. the same
> time slice every tuesday for a month), it would be nice to decouple the
> construction of timestamps from PROFILE_GET into its own set of functions.
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