org.apache.hadoop.hive.ql.exec

Class OperatorUtils

java.lang.Object

org.apache.hadoop.hive.ql.exec.OperatorUtils

public class OperatorUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
OperatorUtils()

Method Summary

Modifier and Type	Method and Description
static <T> java.util.Set<T>	findOperators(java.util.Collection<Operator<?>> starts, java.lang.Class<T> clazz)
static <T> java.util.Set<T>	findOperators(Operator<?> start, java.lang.Class<T> clazz)
static <T> T	findSingleOperator(Operator<?> start, java.lang.Class<T> clazz)

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorUtils

public OperatorUtils()

Method Detail

findOperators

public static <T> java.util.Set<T> findOperators(Operator<?> start,
                                                 java.lang.Class<T> clazz)

findSingleOperator

public static <T> T findSingleOperator(Operator<?> start,
                                       java.lang.Class<T> clazz)

findOperators

public static <T> java.util.Set<T> findOperators(java.util.Collection<Operator<?>> starts,
                                                 java.lang.Class<T> clazz)