com.netflix.servo.publish

Interface MetricPoller

All Known Implementing Classes:

BaseMetricPoller, CompositeMetricPoller, JmxMetricPoller, JvmMetricPoller, MonitorRegistryMetricPoller

public interface MetricPoller

A poller that can be used to fetch current values for a list of metrics on demand.

Method Summary

Modifier and Type	Method and Description
java.util.List<Metric>	poll(MetricFilter filter) Fetch the current values for a set of metrics that match the provided filter.
java.util.List<Metric>	poll(MetricFilter filter, boolean reset) Fetch the current values for a set of metrics that match the provided filter.

Method Detail

poll

java.util.List<Metric> poll(MetricFilter filter)

Fetch the current values for a set of metrics that match the provided filter. This method should be cheap, thread-safe, and interruptible so that it can be called frequently to collect metrics at a regular interval.

Parameters:

filter - retricts the set of metrics

Returns:

list of current metric values

poll

java.util.List<Metric> poll(MetricFilter filter,
                            boolean reset)

Fetch the current values for a set of metrics that match the provided filter. This method should be cheap, thread-safe, and interruptible so that it can be called frequently to collect metrics at a regular interval.

Parameters:

filter - retricts the set of metrics

reset - ignored. This is kept for backwards compatibility only.

Returns:

list of current metric values