org.apache.ignite.internal.processors.cache.query

Class GridCacheQueryMetricsAdapter

java.lang.Object

org.apache.ignite.internal.processors.cache.query.GridCacheQueryMetricsAdapter

All Implemented Interfaces:

Externalizable, Serializable, QueryMetrics

public class GridCacheQueryMetricsAdapter
extends Object
implements QueryMetrics, Externalizable

Adapter for QueryMetrics.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GridCacheQueryMetricsAdapter()

Method Summary

Methods

Modifier and Type	Method and Description
double	averageTime() Gets average execution time of query.
int	completedExecutions() Gets total number of completed executions of query.
GridCacheQueryMetricsAdapter	copy() Merge with given metrics.
int	executions() Gets total number execution of query.
int	fails() Gets total number of times a query execution failed.
long	maximumTime() Gets maximum execution time of query.
long	minimumTime() Gets minimum execution time of query.
void	readExternal(ObjectInput in)
String	toString()
void	update(long duration, boolean fail) Update metrics.
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

GridCacheQueryMetricsAdapter

public GridCacheQueryMetricsAdapter()

Method Detail

minimumTime

public long minimumTime()

Gets minimum execution time of query.

Specified by:

minimumTime in interface QueryMetrics

Returns:

Minimum execution time of query.

maximumTime

public long maximumTime()

Gets maximum execution time of query.

Specified by:

maximumTime in interface QueryMetrics

Returns:

Maximum execution time of query.

averageTime

public double averageTime()

Gets average execution time of query.

Specified by:

averageTime in interface QueryMetrics

Returns:

Average execution time of query.

executions

public int executions()

Gets total number execution of query.

Specified by:

executions in interface QueryMetrics

Returns:

Number of executions.

completedExecutions

public int completedExecutions()

Gets total number of completed executions of query. This value is actual only for local node.

Returns:

Number of completed executions.

fails

public int fails()

Gets total number of times a query execution failed.

Specified by:

fails in interface QueryMetrics

Returns:

Total number of times a query execution failed.

update

public void update(long duration,
          boolean fail)

Update metrics.

Parameters:

duration - Duration of queue execution.

fail - True query executed unsuccessfully false otherwise.

copy

public GridCacheQueryMetricsAdapter copy()

Merge with given metrics.

Returns:

Copy.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

toString

public String toString()

Overrides:

toString in class Object