org.apache.flink.cdc.runtime.operators.transform

类 TransformExpressionCompiler

java.lang.Object

org.apache.flink.cdc.runtime.operators.transform.TransformExpressionCompiler

public class TransformExpressionCompiler
extends Object

The processor of the transform expression. It processes the expression of projections and filters.

构造器概要

构造器

构造器和说明
TransformExpressionCompiler()

方法概要

限定符和类型	方法和说明
static void	cleanUp() Triggers internal garbage collection of expired cache entries.
static org.codehaus.janino.ExpressionEvaluator	compileExpression(TransformExpressionKey key, List<UserDefinedFunctionDescriptor> udfDescriptors) Compiles an expression code to a janino ExpressionEvaluator.

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

TransformExpressionCompiler

public TransformExpressionCompiler()

方法详细资料

cleanUp

public static void cleanUp()

Triggers internal garbage collection of expired cache entries.

compileExpression

public static org.codehaus.janino.ExpressionEvaluator compileExpression(TransformExpressionKey key,
                                                                        List<UserDefinedFunctionDescriptor> udfDescriptors)

Compiles an expression code to a janino ExpressionEvaluator.