org.apache.flink.api.common.python

类 PythonBridgeUtils

java.lang.Object

org.apache.flink.api.common.python.PythonBridgeUtils

public final class PythonBridgeUtils
extends Object

Utility class that contains helper methods to create a TableSource from a file which contains Python objects.

构造器概要

构造器

构造器和说明
PythonBridgeUtils()

方法概要

限定符和类型	方法和说明
static Object	getPickledBytesFromJavaObject(Object obj, org.apache.flink.api.common.typeinfo.TypeInformation<?> dataType)
static Object	getPickledBytesFromRow(org.apache.flink.types.Row row, org.apache.flink.table.types.DataType[] dataTypes)
static byte[]	pickleValue(Object value, byte type)
static List<byte[]>	readPickledBytes(String fileName)
static List<?>	readPythonObjects(String fileName)
static List<Object[]>	readPythonObjects(String fileName, boolean batched)

从类继承的方法 java.lang.Object

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

构造器详细资料

PythonBridgeUtils

public PythonBridgeUtils()

方法详细资料

readPythonObjects

public static List<Object[]> readPythonObjects(String fileName,
                                               boolean batched)
                                        throws IOException

抛出:

IOException

readPythonObjects

public static List<?> readPythonObjects(String fileName)
                                 throws IOException

抛出:

IOException

pickleValue

public static byte[] pickleValue(Object value,
                                 byte type)

readPickledBytes

public static List<byte[]> readPickledBytes(String fileName)
                                     throws IOException

抛出:

IOException

getPickledBytesFromJavaObject

public static Object getPickledBytesFromJavaObject(Object obj,
                                                   org.apache.flink.api.common.typeinfo.TypeInformation<?> dataType)
                                            throws IOException

抛出:

IOException

getPickledBytesFromRow

public static Object getPickledBytesFromRow(org.apache.flink.types.Row row,
                                            org.apache.flink.table.types.DataType[] dataTypes)
                                     throws IOException

抛出:

IOException