Package org.agrona.concurrent.status

package org.agrona.concurrent.status

Counters for indicating status and telemetry which can be put in shared memory for live inspection.

Related Packages

Package	Description
org.agrona.concurrent	Concurrent data structures and utilities that support both on and off Java heap usage.
org.agrona.concurrent.broadcast	Data structure for broadcasting messages from one source to many receivers via shared memory.
org.agrona.concurrent.errors	A logger which provides a summary of distinct stacktrace based errors with counts and times.
org.agrona.concurrent.ringbuffer	IPC ring buffers for messaging via shared memory.

Class	Description
AtomicCounter	Atomic counter that is backed by an AtomicBuffer that can be read across threads and processes.
AtomicLongPosition	Position that is backed by an AtomicLong which is useful for tests.
ConcurrentCountersManager	A thread safe extension of CountersManager which allows intra-process read and write access to the same counters buffer.
CountersManager	Manages the allocation and freeing of counters that are normally stored in a memory-mapped file.
CountersReader	Reads the counters metadata and values buffers.
CountersReader.CounterConsumer	Callback function for consuming basic counter details and value.
CountersReader.MetaData	Callback function for consuming metadata records of counters.
Position	Reports on how far through a buffer some component has progressed.
ReadablePosition	Indicates how far through an abstract task a component has progressed as a counter value.
StatusIndicator	Extends a StatusIndicatorReader with the ability to set the value so other readers can take action.
StatusIndicatorReader	Reads the value of a counter to indicate current status and what abstraction should be taken.
UnsafeBufferPosition	Reports a position by recording it in an UnsafeBuffer.
UnsafeBufferStatusIndicator	StatusIndicator which wraps an AtomicBuffer with a given counter id.