org.apache.flink.table.client.gateway.context

类 ExecutionContext

java.lang.Object

org.apache.flink.table.client.gateway.context.ExecutionContext

public class ExecutionContext
extends Object

Context for executing table programs. This class caches everything that can be cached across multiple queries as long as the session context does not change. This must be thread-safe as it might be reused across different query submissions.

构造器概要

构造器

构造器和说明
ExecutionContext(org.apache.flink.configuration.Configuration flinkConfig, URLClassLoader classLoader, SessionContext.SessionState sessionState)
ExecutionContext(ExecutionContext context) Create a new ExecutionContext.

方法概要

限定符和类型	方法和说明
org.apache.flink.table.api.bridge.java.StreamTableEnvironment	getTableEnvironment()
<R> R	wrapClassLoader(java.util.function.Supplier<R> supplier) Executes the given supplier using the execution context's classloader as thread classloader.

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

ExecutionContext

public ExecutionContext(org.apache.flink.configuration.Configuration flinkConfig,
                        URLClassLoader classLoader,
                        SessionContext.SessionState sessionState)

ExecutionContext

public ExecutionContext(ExecutionContext context)

Create a new ExecutionContext.

It just copies from the ExecutionContext and rebuild a new TableEnvironment.

方法详细资料

wrapClassLoader

public <R> R wrapClassLoader(java.util.function.Supplier<R> supplier)

Executes the given supplier using the execution context's classloader as thread classloader.

getTableEnvironment

public org.apache.flink.table.api.bridge.java.StreamTableEnvironment getTableEnvironment()