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java.lang.Object org.apache.hadoop.metrics2.lib.MetricMutable org.apache.hadoop.metrics2.lib.MetricMutableGauge<Integer> org.apache.hadoop.metrics2.lib.MetricMutableGaugeInt
public class MetricMutableGaugeInt
A mutable int gauge
Field Summary |
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Fields inherited from class org.apache.hadoop.metrics2.lib.MetricMutable |
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description, name |
Constructor Summary | |
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MetricMutableGaugeInt(String name,
String description,
int initValue)
Construct a mutable int gauge metric |
Method Summary | |
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void |
decr()
Decrement the value of the metric by 1 |
void |
decr(int delta)
decrement by delta |
void |
incr()
Increment the value of the metric by 1 |
void |
incr(int delta)
Increment by delta |
void |
set(int value)
Set the value of the metric |
void |
snapshot(MetricsRecordBuilder builder,
boolean all)
Get a snapshot/snapshot of the metric |
Methods inherited from class org.apache.hadoop.metrics2.lib.MetricMutable |
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changed, clearChanged, setChanged, snapshot |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MetricMutableGaugeInt(String name, String description, int initValue)
name
- of the gaugedescription
- of the gaugeinitValue
- the initial value of the gaugeMethod Detail |
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public void incr()
MetricMutableGauge
incr
in class MetricMutableGauge<Integer>
public void incr(int delta)
delta
- of the incrementpublic void decr()
MetricMutableGauge
decr
in class MetricMutableGauge<Integer>
public void decr(int delta)
delta
- of the decrementpublic void set(int value)
value
- to setpublic void snapshot(MetricsRecordBuilder builder, boolean all)
MetricMutable
snapshot
in class MetricMutable
builder
- the metrics record builderall
- if true, snapshot unchanged metrics as well
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