org.apache.calcite.linq4j

Class MemoryFactory.Memory<E>

java.lang.Object

org.apache.calcite.linq4j.MemoryFactory.Memory<E>

Type Parameters:

E - Row type

Enclosing class:

MemoryFactory<E>

public static class MemoryFactory.Memory<E>
extends Object

Contents of a "memory segment", used for implementing the MATCH_RECOGNIZE operator.

Memory maintains a "window" of records preceding and following a record; the records can be browsed using the get() or get(int) methods.

Field Summary

Fields

Modifier and Type	Field and Description
private int	future
private int	history
private ModularInteger	offset
private Object[]	values

Constructor Summary

Constructors

Constructor and Description
Memory(int history, int future, ModularInteger offset, Object[] values)

Method Summary

Modifier and Type	Method and Description
E	get()
E	get(int position)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

history

private final int history

future

private final int future

offset

private final ModularInteger offset

values

private final Object[] values

Constructor Detail

Memory

public Memory(int history,
              int future,
              ModularInteger offset,
              Object[] values)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

get

public E get()

get

public E get(int position)