com.google.android.exoplayer2.upstream.cache

Class CacheSpan

java.lang.Object

com.google.android.exoplayer2.upstream.cache.CacheSpan

All Implemented Interfaces:

java.lang.Comparable<CacheSpan>

public class CacheSpan
extends java.lang.Object
implements java.lang.Comparable<CacheSpan>

Defines a span of data that may or may not be cached (as indicated by isCached).

Field Summary

Fields

Modifier and Type	Field and Description
java.io.File	file The file corresponding to this CacheSpan, or null if isCached is false.
boolean	isCached Whether the CacheSpan is cached.
java.lang.String	key The cache key that uniquely identifies the original stream.
long	lastAccessTimestamp The last access timestamp, or C.TIME_UNSET if isCached is false.
long	length The length of the CacheSpan, or C.LENGTH_UNSET if this is an open-ended hole.
long	position The position of the CacheSpan in the original stream.

Constructor Summary

Constructors

Constructor and Description
CacheSpan(java.lang.String key, long position, long length) Creates a hole CacheSpan which isn't cached, has no last access time and no file associated.
CacheSpan(java.lang.String key, long position, long length, long lastAccessTimestamp, java.io.File file) Creates a CacheSpan.

Method Summary

Modifier and Type	Method and Description
int	compareTo(CacheSpan another)
boolean	isHoleSpan() Returns whether this is a hole CacheSpan.
boolean	isOpenEnded() Returns whether this is an open-ended CacheSpan.

Methods inherited from class java.lang.Object

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

Field Detail

key

public final java.lang.String key

The cache key that uniquely identifies the original stream.

position

public final long position

The position of the CacheSpan in the original stream.

length

public final long length

The length of the CacheSpan, or C.LENGTH_UNSET if this is an open-ended hole.

isCached

public final boolean isCached

Whether the CacheSpan is cached.

file

@Nullable
public final java.io.File file

The file corresponding to this CacheSpan, or null if isCached is false.

lastAccessTimestamp

public final long lastAccessTimestamp

The last access timestamp, or C.TIME_UNSET if isCached is false.

Constructor Detail

CacheSpan

public CacheSpan(java.lang.String key,
                 long position,
                 long length)

Creates a hole CacheSpan which isn't cached, has no last access time and no file associated.

Parameters:

key - The cache key that uniquely identifies the original stream.

position - The position of the CacheSpan in the original stream.

length - The length of the CacheSpan, or C.LENGTH_UNSET if this is an open-ended hole.

CacheSpan

public CacheSpan(java.lang.String key,
                 long position,
                 long length,
                 long lastAccessTimestamp,
                 @Nullable
                 java.io.File file)

Creates a CacheSpan.

Parameters:

key - The cache key that uniquely identifies the original stream.

position - The position of the CacheSpan in the original stream.

length - The length of the CacheSpan, or C.LENGTH_UNSET if this is an open-ended hole.

lastAccessTimestamp - The last access timestamp, or C.TIME_UNSET if isCached is false.

file - The file corresponding to this CacheSpan, or null if it's a hole.

Method Detail

isOpenEnded

public boolean isOpenEnded()

Returns whether this is an open-ended CacheSpan.

isHoleSpan

public boolean isHoleSpan()

Returns whether this is a hole CacheSpan.

compareTo

public int compareTo(@NonNull
                     CacheSpan another)

Specified by:

compareTo in interface java.lang.Comparable<CacheSpan>