SequenceNumber¶

public class SequenceNumber¶

Atomic uint32 counter implementation respecting size of ProtocolBuffer uint32 type.

Author: swrede, jwienke

Fields¶

MAX_VALUE¶

public static final long MAX_VALUE¶: Represents the highest possible value for a sequence number: uint32 max: 4.294.967.295.

Constructors¶

SequenceNumber¶

public SequenceNumber()¶: Constructor starting with 0 as the sequence number.

SequenceNumber¶

public SequenceNumber(long value)¶

Constructor starting with the specified number for the internal counter.

Parameters: value – start number within uint32 range
Throws: IllegalArgumentException – value outside uint32 range

Methods¶

get¶

public long get()¶

Returns the internal counter value.

Returns: value

incrementAndGet¶

public long incrementAndGet()¶

Increment the internal counter and returns the new result in an atomic fashion.

Returns: new counter value