Package io.trino.filesystem.alluxio

Class AlluxioInputHelper

java.lang.Object

io.trino.filesystem.alluxio.AlluxioInputHelper

public class AlluxioInputHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	AlluxioInputHelper.PageAlignedRead

Constructor Summary

Constructors

Constructor	Description
AlluxioInputHelper(io.opentelemetry.api.trace.Tracer tracer, Location location, String cacheKey, alluxio.client.file.URIStatus status, alluxio.client.file.cache.CacheManager cacheManager, alluxio.conf.AlluxioConfiguration configuration, AlluxioCacheStats statistics)

Method Summary

Modifier and Type	Method	Description
AlluxioInputHelper.PageAlignedRead	alignRead(long position, long length)
int	doCacheRead(long position, byte[] bytes, int offset, int length)
void	putCache(long pageStart, long pageEnd, byte[] readBuffer, int length)

Methods inherited from class java.lang.Object

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

Constructor Details

AlluxioInputHelper

public AlluxioInputHelper(io.opentelemetry.api.trace.Tracer tracer,
 Location location,
 String cacheKey,
 alluxio.client.file.URIStatus status,
 alluxio.client.file.cache.CacheManager cacheManager,
 alluxio.conf.AlluxioConfiguration configuration,
 AlluxioCacheStats statistics)

Method Details

doCacheRead

public int doCacheRead(long position,
 byte[] bytes,
 int offset,
 int length)
                throws IOException

Throws:

IOException

alignRead

public AlluxioInputHelper.PageAlignedRead alignRead(long position,
 long length)

putCache

public void putCache(long pageStart,
 long pageEnd,
 byte[] readBuffer,
 int length)