org.apache.calcite.rex

Class RexSlot.SelfPopulatingList

java.lang.Object

java.util.concurrent.CopyOnWriteArrayList<String>

org.apache.calcite.rex.RexSlot.SelfPopulatingList

All Implemented Interfaces:

Serializable, Cloneable, Iterable<String>, Collection<String>, List<String>, RandomAccess

Enclosing class:

RexSlot

protected static class RexSlot.SelfPopulatingList
extends CopyOnWriteArrayList<String>

Thread-safe list that populates itself if you make a reference beyond the end of the list. Useful if you are using the same entries repeatedly. Once populated, accesses are very efficient.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private String	prefix

Constructor Summary

Constructors

Constructor and Description
SelfPopulatingList(String prefix, int initialSize)

Method Summary

Modifier and Type	Method and Description
private static AbstractList<String>	fromTo(String prefix, int start, int end)
String	get(int index)

Methods inherited from class java.util.concurrent.CopyOnWriteArrayList

add, add, addAll, addAll, addAllAbsent, addIfAbsent, clear, clone, contains, containsAll, equals, forEach, hashCode, indexOf, indexOf, isEmpty, iterator, lastIndexOf, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, removeIf, replaceAll, retainAll, set, size, sort, spliterator, subList, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

parallelStream, stream

Field Detail

prefix

private final String prefix

Constructor Detail

SelfPopulatingList

SelfPopulatingList(String prefix,
                   int initialSize)

Method Detail

fromTo

private static AbstractList<String> fromTo(String prefix,
                                           int start,
                                           int end)

get

public String get(int index)

Specified by:

get in interface List<String>

Overrides:

get in class CopyOnWriteArrayList<String>