Package org.apache.ignite.internal.util

Class GridLongList

java.lang.Object

org.apache.ignite.internal.util.GridLongList

All Implemented Interfaces:

Externalizable, Serializable, Message

Direct Known Subclasses:

LongListReuseBag

public class GridLongList
extends Object
implements Message, Externalizable

Minimal list API to work with primitive longs. This list exists to avoid boxing/unboxing when using standard list from Java.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static long[]	EMPTY_ARRAY	Empty array.

Fields inherited from interface org.apache.ignite.plugin.extensions.communication.Message

DIRECT_TYPE_SIZE

Constructor Summary

Constructors

Constructor	Description
GridLongList()
GridLongList(int size)
GridLongList(long[] arr)

Method Summary

Modifier and Type	Method	Description
void	add(long x)	Add element to this array.
void	addAll(GridLongList l)
long[]	array()
static GridLongList	asList(long... vals)
void	clear()	Clears the list.
boolean	contains(long l)
GridLongList	copyWithout(GridLongList l)	Returns (possibly reordered) copy of this list, excluding all elements of given list.
short	directType()	Gets message type.
boolean	equals(Object o)
byte	fieldsCount()	Gets fields count.
long	get(int i)
int	hashCode()
boolean	isEmpty()
void	onAckReceived()	Method called when ack message received.
void	readExternal(ObjectInput in)
boolean	readFrom(ByteBuffer buf, MessageReader reader)	Reads this message from provided byte buffer.
long	remove()	Removes and returns the last element of the list.
long	removeIndex(int i)	Removes element by given index.
int	removeValue(int startIdx, long val)	Removes value from this list.
int	size()
GridLongList	sort()	Sorts this list.
String	toString()
void	truncate(int size, boolean last)
void	writeExternal(ObjectOutput out)
boolean	writeTo(ByteBuffer buf, MessageWriter writer)	Writes this message to provided byte buffer.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_ARRAY

public static final long[] EMPTY_ARRAY

Empty array.

Constructor Detail

GridLongList

public GridLongList()

GridLongList

public GridLongList(int size)

Parameters:

size - Size.

GridLongList

public GridLongList(long[] arr)

Parameters:

arr - Array.

Method Detail

asList

public static GridLongList asList(long... vals)

Parameters:

vals - Values.

Returns:

List from values.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

addAll

public void addAll(GridLongList l)

Parameters:

l - List to add all elements of.

add

public void add(long x)

Add element to this array.

Parameters:

x - Value.

clear

public void clear()

Clears the list.

remove

public long remove()
            throws NoSuchElementException

Removes and returns the last element of the list. Complementary method to add(long) for stack like usage.

Returns:

Removed element.

Throws:

NoSuchElementException - If the list is empty.

copyWithout

public GridLongList copyWithout(GridLongList l)

Returns (possibly reordered) copy of this list, excluding all elements of given list.

Parameters:

l - List of elements to remove.

Returns:

New list without all elements from l.

get

public long get(int i)

Parameters:

i - Index.

Returns:

Value.

size

public int size()

Returns:

Size.

isEmpty

public boolean isEmpty()

Returns:

True if this list has no elements.

contains

public boolean contains(long l)

Parameters:

l - Element to find.

Returns:

True if found.

truncate

public void truncate(int size,
                     boolean last)

Parameters:

size - New size.

last - If true the last elements will be removed, otherwise the first.

removeIndex

public long removeIndex(int i)

Removes element by given index.

Parameters:

i - Index.

Returns:

Removed value.

removeValue

public int removeValue(int startIdx,
                       long val)

Removes value from this list.

Parameters:

startIdx - Index to begin search with.

val - Value.

Returns:

Index of removed value if the value was found and removed or -1 otherwise.

array

public long[] array()

Returns:

Array copy.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

sort

public GridLongList sort()

Sorts this list. Use copy().sort() if you need a defensive copy.

Returns:

this For chaining.

onAckReceived

public void onAckReceived()

Method called when ack message received.

Specified by:

onAckReceived in interface Message

writeTo

public boolean writeTo(ByteBuffer buf,
                       MessageWriter writer)

Writes this message to provided byte buffer.

Specified by:

writeTo in interface Message

Parameters:

buf - Byte buffer.

writer - Writer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf,
                        MessageReader reader)

Reads this message from provided byte buffer.

Specified by:

readFrom in interface Message

Parameters:

buf - Byte buffer.

reader - Reader.

Returns:

Whether message was fully read.

directType

public short directType()

Gets message type.

Specified by:

directType in interface Message

Returns:

Message type.

fieldsCount

public byte fieldsCount()

Gets fields count.

Specified by:

fieldsCount in interface Message

Returns:

Fields count.