Package com.clickhouse.data

Class ClickHousePipedOutputStream

java.lang.Object

java.io.OutputStream

com.clickhouse.data.ClickHouseOutputStream

com.clickhouse.data.ClickHousePipedOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public abstract class ClickHousePipedOutputStream
extends ClickHouseOutputStream

SPSC(Single-producer single-consumer) channel for streaming.

Field Summary

Fields inherited from class com.clickhouse.data.ClickHouseOutputStream

closed, DEFAULT_BUFFER_SIZE, ERROR_NULL_BYTES, ERROR_REUSE_BUFFER, ERROR_STREAM_CLOSED, postCloseAction, stream, TYPE_NAME

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ClickHousePipedOutputStream(Runnable postCloseAction)

Method Summary

Modifier and Type	Method	Description
final ClickHouseInputStream	getInputStream()	Gets input stream to reada data being written into the output stream.
abstract ClickHouseInputStream	getInputStream(Runnable postCloseAction)	Gets input stream to reada data being written into the output stream.
protected static void	handleWriteResult(CompletableFuture<?> future, long timeout, Runnable postCloseAction)	Handles async write result.
protected static CompletableFuture<Void>	writeAsync(ClickHouseWriter writer, ClickHousePipedOutputStream output)	Writes data to the piped output stream in a separate thread.

Methods inherited from class com.clickhouse.data.ClickHouseOutputStream

close, empty, ensureOpen, getUnderlyingFile, getUnderlyingStream, hasUnderlyingStream, isClosed, of, of, of, of, of, transferBytes, transferBytes, transferBytes, write, write, write, writeAsciiString, writeBoolean, writeBuffer, writeByte, writeBytes, writeBytes, writeBytes, writeCustom, writeString, writeUnicodeString, writeUnsignedVarInt, writeVarInt

Methods inherited from class java.io.OutputStream

flush, nullOutputStream

Methods inherited from class java.lang.Object

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

Constructor Details

ClickHousePipedOutputStream

protected ClickHousePipedOutputStream(Runnable postCloseAction)

Method Details

handleWriteResult

protected static void handleWriteResult(CompletableFuture<?> future,
 long timeout,
 Runnable postCloseAction)
                                 throws UncheckedIOException

Handles async write result.

Parameters:

future - async write result

timeout - timeout in milliseconds

postCloseAction - post close aciton, could be null

Throws:

UncheckedIOException - when writing failed

writeAsync

protected static CompletableFuture<Void> writeAsync(ClickHouseWriter writer,
 ClickHousePipedOutputStream output)

Writes data to the piped output stream in a separate thread. The given piped output stream will be closed automatically at the end of writing.

Parameters:

writer - non-null custom writer

output - non-null piped output stream

Returns:

non-null future

getInputStream

public final ClickHouseInputStream getInputStream()

Gets input stream to reada data being written into the output stream.

Returns:

non-null input stream

getInputStream

public abstract ClickHouseInputStream getInputStream(Runnable postCloseAction)

Gets input stream to reada data being written into the output stream.

Parameters:

postCloseAction - custom action will be performed right after closing the input stream

Returns:

non-null input stream