com.google.cloud.hadoop.fs.gcs

Class GoogleHadoopFileSystemBase.ParentTimestampUpdateIncludePredicate

java.lang.Object

com.google.cloud.hadoop.fs.gcs.GoogleHadoopFileSystemBase.ParentTimestampUpdateIncludePredicate

All Implemented Interfaces:

GoogleCloudStorageFileSystemOptions.TimestampUpdatePredicate

Enclosing class:

GoogleHadoopFileSystemBase

public static class GoogleHadoopFileSystemBase.ParentTimestampUpdateIncludePredicate
extends Object
implements GoogleCloudStorageFileSystemOptions.TimestampUpdatePredicate

A predicate that processes individual directory paths and evaluates the conditions set in fs.gs.parent.timestamp.update.enable, fs.gs.parent.timestamp.update.substrings.include and fs.gs.parent.timestamp.update.substrings.exclude to determine if a path should be ignored when running directory timestamp updates. If no match is found in either include or exclude and updates are enabled, the directory timestamp will be updated.

Constructor Summary

Constructors

Constructor and Description
ParentTimestampUpdateIncludePredicate(boolean enableTimestampUpdates, List<String> includeSubstrings, List<String> excludeSubstrings)

Method Summary

Modifier and Type	Method and Description
static GoogleHadoopFileSystemBase.ParentTimestampUpdateIncludePredicate	create(org.apache.hadoop.conf.Configuration config) Create a new ParentTimestampUpdateIncludePredicate from the passed Hadoop configuration object.
boolean	shouldUpdateTimestamp(URI uri) Determine if updating directory timestamps should be ignored.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ParentTimestampUpdateIncludePredicate

public ParentTimestampUpdateIncludePredicate(boolean enableTimestampUpdates,
                                             List<String> includeSubstrings,
                                             List<String> excludeSubstrings)

Method Detail

create

public static GoogleHadoopFileSystemBase.ParentTimestampUpdateIncludePredicate create(org.apache.hadoop.conf.Configuration config)

Create a new ParentTimestampUpdateIncludePredicate from the passed Hadoop configuration object.

shouldUpdateTimestamp

public boolean shouldUpdateTimestamp(URI uri)

Determine if updating directory timestamps should be ignored.

Specified by:

shouldUpdateTimestamp in interface GoogleCloudStorageFileSystemOptions.TimestampUpdatePredicate

Returns:

True if the directory timestamp should not be updated. False to indicate it should be updated.