org.apache.flink.optimizer.postpass

Class SparseKeySchema

java.lang.Object

org.apache.flink.optimizer.postpass.AbstractSchema<Class<? extends Key<?>>>

org.apache.flink.optimizer.postpass.SparseKeySchema

All Implemented Interfaces:

Iterable<Map.Entry<Integer,Class<? extends Key<?>>>>

public class SparseKeySchema
extends AbstractSchema<Class<? extends Key<?>>>

Class encapsulating a schema map (int column position -> column type) and a reference counter.

Constructor Summary

Constructors

Constructor and Description
SparseKeySchema()

Method Summary

Methods

Modifier and Type	Method and Description
void	addType(int key, Class<? extends Key<?>> type)
boolean	equals(Object obj)
int	getNumTypes()
Class<? extends Key<?>>	getType(int field)
int	hashCode()
Iterator<Map.Entry<Integer,Class<? extends Key<?>>>>	iterator()
String	toString()

Methods inherited from class org.apache.flink.optimizer.postpass.AbstractSchema

getNumConnectionsThatContributed, increaseNumConnectionsThatContributed

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SparseKeySchema

public SparseKeySchema()

Method Detail

addType

public void addType(int key,
           Class<? extends Key<?>> type)
             throws ConflictingFieldTypeInfoException

Specified by:

addType in class AbstractSchema<Class<? extends Key<?>>>

Throws:

ConflictingFieldTypeInfoException

getType

public Class<? extends Key<?>> getType(int field)

Specified by:

getType in class AbstractSchema<Class<? extends Key<?>>>

iterator

public Iterator<Map.Entry<Integer,Class<? extends Key<?>>>> iterator()

getNumTypes

public int getNumTypes()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object