Package com.alibaba.graphscope.stdcxx

Interface OStream

All Superinterfaces:

com.alibaba.fastffi.FFIPointer, FFIType, Serializable

All Known Implementing Classes:

OStream_cxx_0x344ccaac

public interface OStream
extends com.alibaba.fastffi.FFIPointer

Method Summary

Modifier and Type	Method	Description
default OutputStream	outputStream()
void	put(byte c)	For `put(byte c)` we will generate a native method:

Methods inherited from interface com.alibaba.fastffi.FFIPointer

getAddress

Method Detail

put

void put(byte c)

For `put(byte c)` we will generate a native method:

 public class OStreamImpl{
     public void put(byte c) { nativePut(getAddress(), c); }
     native void nativePut(long address, byte c);
 }
 

In the generated JNI cxx file:

 void Java_xxx_nativePut(JNIEnv*, jclass, jlong address, jbytec)
 {
      std::ostream* obj = reinterpret_cast<std::ostream*>(address);
      obj->put(c);
 }
 

Parameters:

c - byte

outputStream

default OutputStream outputStream()