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java.lang.Object org.apache.hadoop.mapreduce.counters.AbstractCounter org.apache.hadoop.mapreduce.counters.GenericCounter
@InterfaceAudience.Private public class GenericCounter
A generic counter implementation
Constructor Summary | |
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GenericCounter()
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GenericCounter(String name,
String displayName)
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GenericCounter(String name,
String displayName,
long value)
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Method Summary | |
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String |
getDisplayName()
Get the display name of the counter. |
String |
getName()
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Counter |
getUnderlyingCounter()
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long |
getValue()
What is the current value of this counter? |
void |
increment(long incr)
Increment this counter by the given value |
void |
readFields(DataInput in)
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void |
setDisplayName(String displayName)
Deprecated. |
void |
setValue(long value)
Set this counter by the given value |
void |
write(DataOutput out)
GenericCounter ::= keyName isDistinctDisplayName [displayName] value |
Methods inherited from class org.apache.hadoop.mapreduce.counters.AbstractCounter |
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equals, hashCode |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public GenericCounter()
public GenericCounter(String name, String displayName)
public GenericCounter(String name, String displayName, long value)
Method Detail |
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@Deprecated public void setDisplayName(String displayName)
Counter
setDisplayName
in interface Counter
setDisplayName
in class AbstractCounter
displayName
- of the counterpublic void readFields(DataInput in) throws IOException
IOException
public void write(DataOutput out) throws IOException
IOException
public String getName()
public String getDisplayName()
Counter
public long getValue()
Counter
public void setValue(long value)
Counter
value
- the value to setpublic void increment(long incr)
Counter
incr
- the value to increase this counter bypublic Counter getUnderlyingCounter()
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