Package org.hansken.plugin.extraction.runtime.grpc.server.proxy

Class RandomAccessDataProxy

java.lang.Object

org.hansken.plugin.extraction.runtime.grpc.server.proxy.RandomAccessDataProxy

All Implemented Interfaces:

Closeable, AutoCloseable, RandomAccessData

public final class RandomAccessDataProxy
extends Object
implements RandomAccessData

Proxy implementation for the server side of the extraction plugin framework. It delegates calls through gRPC (see GrpcFacade) to the data currently being processed on the client side.

Note: this implementation is not thread-safe.

Method Summary

Modifier and Type	Method	Description
void	close()
static RandomAccessData	fromRpc(RpcRandomAccessDataMeta data, String traceId, GrpcFacade facade)	Create a new data proxy for the data described by the given RpcRandomAccessDataMeta, using the given GrpcFacade to delegate calls to.
long	position()
int	read(byte[] buffer, int offset, int count)
void	seek(long position)
long	size()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hansken.plugin.extraction.api.RandomAccessData

read, read, readNBytes, remaining

Method Details

fromRpc

public static RandomAccessData fromRpc(RpcRandomAccessDataMeta data,
 String traceId,
 GrpcFacade facade)

Create a new data proxy for the data described by the given RpcRandomAccessDataMeta, using the given GrpcFacade to delegate calls to.

Parameters:

data - the meta information about the data sequence, such as the size and position

traceId - the id of the trace

facade - the facade to delegate calls to

Returns:

the data sequence proxy

size

public long size()

Specified by:

size in interface RandomAccessData

position

public long position()

Specified by:

position in interface RandomAccessData

seek

public void seek(long position)

Specified by:

seek in interface RandomAccessData

read

public int read(byte[] buffer,
 int offset,
 int count)

Specified by:

read in interface RandomAccessData

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable