com.alipay.sofa.ark.loader.data

接口 RandomAccessData

所有已知实现类:

RandomAccessDataFile

public interface RandomAccessData

Interface that provides read-only random access to some underlying data. Implementations must allow concurrent reads in a thread-safe manner.

作者:

Phillip Webb

嵌套类概要

嵌套类

限定符和类型	接口和说明
static class	RandomAccessData.ResourceAccess Lock modes for accessing the underlying resource.

方法概要

方法

限定符和类型	方法和说明
InputStream	getInputStream(RandomAccessData.ResourceAccess access) Returns an InputStream that can be used to read the underlying data.
long	getSize() Returns the size of the data.
RandomAccessData	getSubsection(long offset, long length) Returns a new RandomAccessData for a specific subsection of this data.

方法详细资料

getInputStream

InputStream getInputStream(RandomAccessData.ResourceAccess access)
                           throws IOException

Returns an InputStream that can be used to read the underlying data. The caller is responsible close the underlying stream.

参数:

access - hint indicating how the underlying data should be accessed

返回:

a new input stream that can be used to read the underlying data.

抛出:

IOException - if the stream cannot be opened

getSubsection

RandomAccessData getSubsection(long offset,
                             long length)

Returns a new RandomAccessData for a specific subsection of this data.

参数:

offset - the offset of the subsection

length - the length of the subsection

返回:

the subsection data

getSize

long getSize()

Returns the size of the data.

返回:

the size