org.apache.nifi.minifi.c2.cache.s3

Class S3CacheFileInfoImpl

java.lang.Object

org.apache.nifi.minifi.c2.cache.s3.S3CacheFileInfoImpl

All Implemented Interfaces:

ConfigurationCacheFileInfo

public class S3CacheFileInfoImpl
extends Object
implements ConfigurationCacheFileInfo

Field Summary

Fields

Modifier and Type	Field and Description
private String	bucket
private String	expectedFilename
private String	prefix
private com.amazonaws.services.s3.AmazonS3	s3

Constructor Summary

Constructors

Constructor and Description
S3CacheFileInfoImpl(com.amazonaws.services.s3.AmazonS3 s3, String bucket, String prefix, String expectedFilename) Creates a new S3 cache file info.

Method Summary

Modifier and Type	Method and Description
java.util.stream.Stream<WriteableConfiguration>	getCachedConfigurations()
WriteableConfiguration	getConfiguration(Integer version)
Integer	getVersionIfMatch(String objectKey)

Methods inherited from class java.lang.Object

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

Field Detail

s3

private final com.amazonaws.services.s3.AmazonS3 s3

bucket

private final String bucket

prefix

private final String prefix

expectedFilename

private final String expectedFilename

Constructor Detail

S3CacheFileInfoImpl

public S3CacheFileInfoImpl(com.amazonaws.services.s3.AmazonS3 s3,
                           String bucket,
                           String prefix,
                           String expectedFilename)

Creates a new S3 cache file info.

Parameters:

s3 - The client.

bucket - The S3 bucket.

prefix - The S3 object prefix.

Method Detail

getVersionIfMatch

public Integer getVersionIfMatch(String objectKey)

Specified by:

getVersionIfMatch in interface ConfigurationCacheFileInfo

getConfiguration

public WriteableConfiguration getConfiguration(Integer version)
                                        throws ConfigurationProviderException

Specified by:

getConfiguration in interface ConfigurationCacheFileInfo

Throws:

ConfigurationProviderException

getCachedConfigurations

public java.util.stream.Stream<WriteableConfiguration> getCachedConfigurations()
                                                                        throws IOException

Specified by:

getCachedConfigurations in interface ConfigurationCacheFileInfo

Throws:

IOException