vdiravka commented on a change in pull request #1345: DRILL-6494: Drill Plugins
Handler
URL: https://github.com/apache/drill/pull/1345#discussion_r199844168
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/store/ActionOnFile.java
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@@ -0,0 +1,68 @@
+package org.apache.drill.exec.store;
+
+import org.apache.drill.common.config.CommonConstants;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ * The action on the {@link CommonConstants#STORAGE_PLUGINS_OVERRIDE_CONF}
file being performed after it's use
+ */
+public enum ActionOnFile {
+
+ NONE {
+ @Override
+ void action(URL url) {
+ // nothing to do
+ }
+ },
+ RENAME {
+ @Override
+ void action(URL url) {
+ File pluginsOverrideFile = new File(url.getPath());
+ String oldName = CommonConstants.STORAGE_PLUGINS_OVERRIDE_CONF;
+ String currentDateTime = new
SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
+ String newFileName = new StringBuilder(oldName)
+ .insert(oldName.lastIndexOf("."), "-" + currentDateTime)
+ .toString();
+ Path pluginsOverrideFilePath = pluginsOverrideFile.toPath();
+ try {
+ Files.move(pluginsOverrideFilePath,
pluginsOverrideFilePath.resolveSibling(newFileName));
+ } catch (IOException e) {
+ logger.error("%s file is not renamed after it's use",
CommonConstants.STORAGE_PLUGINS_OVERRIDE_CONF, e);
+ }
+ }
+ },
+ REMOVE {
+ @Override
+ void action(URL url) {
+ File pluginsOverrideFile = new File(url.getPath());
+ try {
+ Files.delete(pluginsOverrideFile.toPath());
+ } catch (IOException e) {
+ logger.error("%s file is not deleted after it's use",
CommonConstants.STORAGE_PLUGINS_OVERRIDE_CONF, e);
+ }
+ }
+ };
+
+ private static final org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(ActionOnFile.class);
+
+ /**
+ * This is an action which should be performed on the
+ * {@link
org.apache.drill.common.config.CommonConstants#STORAGE_PLUGINS_OVERRIDE_CONF}
after successful updating of
+ * storage plugins configs with Storage Plugins Handler.
+ * <ul>
+ * <li>{@link #NONE}: no action will be performed
Review comment:
Done
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