org.h2.dev.util
Class ImmutableArray<K>

java.lang.Object
  org.h2.dev.util.ImmutableArray<K>

Type Parameters:

K - the type

All Implemented Interfaces:

java.lang.Iterable<K>

public final class ImmutableArray<K>
extends java.lang.Object
implements java.lang.Iterable<K>

An immutable array.

Method Summary

K[]	array() Get the data.
static <K> ImmutableArray<K>	create(K... array) Create an immutable array.
static <K> ImmutableArray<K>	empty() Get an empty immutable array.
K	get(int index) Get the entry at this index.
ImmutableArray<K>	insert(int index, K obj) Insert an entry at this index.
java.util.Iterator<K>	iterator() Get an iterator over all entries.
int	length() Get the length.
ImmutableArray<K>	remove(int index) Remove the entry at this index.
ImmutableArray<K>	set(int index, K obj) Set the entry at this index.
ImmutableArray<K>	subArray(int fromIndex, int toIndex) Get a sub-array.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

get

public K get(int index)

Get the entry at this index.

Parameters:

index - the index

Returns:

the entry

length

public int length()

Get the length.

Returns:

the length

set

public ImmutableArray<K> set(int index,
                             K obj)

Set the entry at this index.

Parameters:

index - the index

obj - the object

Returns:

the new immutable array

insert

public ImmutableArray<K> insert(int index,
                                K obj)

Insert an entry at this index.

Parameters:

index - the index

obj - the object

Returns:

the new immutable array

remove

public ImmutableArray<K> remove(int index)

Remove the entry at this index.

Parameters:

index - the index

Returns:

the new immutable array

subArray

public ImmutableArray<K> subArray(int fromIndex,
                                  int toIndex)

Get a sub-array.

Parameters:

fromIndex - the index of the first entry

toIndex - the end index, plus one

Returns:

the new immutable array

create

public static <K> ImmutableArray<K> create(K... array)

Create an immutable array.

Parameters:

array - the data

Returns:

the new immutable array

array

public K[] array()

Get the data.

Returns:

the data

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

empty

public static <K> ImmutableArray<K> empty()

Get an empty immutable array.

Type Parameters:

K - the key type

Returns:

the array

iterator

public java.util.Iterator<K> iterator()

Get an iterator over all entries.

Specified by:

iterator in interface java.lang.Iterable<K>

Returns:

the iterator