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## org.modeshape.graph.query
Class QueryResults.Statistics

    java.lang.Object
      org.modeshape.graph.query.QueryResults.Statistics

All Implemented Interfaces:
  Serializable, Comparable<QueryResults.Statistics>

Enclosing interface:
  QueryResults

    @Immutable
    public static class QueryResults.Statistics

extends Object
implements Comparable<QueryResults.Statistics>, Serializable

See Also:
  Serialized Form

Field Summary
`protected static QueryResults.Statistics` | `EMPTY_STATISTICS`

Constructor Summary
`QueryResults.Statistics()`
`QueryResults.Statistics(long planningNanos)`
`QueryResults.Statistics(long planningNanos, long optimizationNanos, long resultFormulationNanos, long executionNanos)`

Method Summary
`int` | `compareTo(QueryResults.Statistics that)`
`long` | `getExecutionTime(TimeUnit unit)` Get the time required to execute the query.
`long` | `getOptimizationTime(TimeUnit unit)` Get the time required to determine or select a (more) optimal plan.
`long` | `getPlanningTime(TimeUnit unit)` Get the time required to come up with the canonical plan.
`long` | `getResultFormulationTime(TimeUnit unit)` Get the time required to formulate the structure of the results.
`long` | `getTotalTime(TimeUnit unit)` Get the time required to execute the query.
`protected void` | `readable(long nanos, StringBuilder sb)`
`String` | `toString()`
`protected long` | `totalTime()`
`QueryResults.Statistics` | `withExecutionTime(long executionNanos)` Create a new statistics object that has the supplied execution time.
`QueryResults.Statistics` | `withExecutionTime(long execution, TimeUnit unit)` Create a new statistics object that has the supplied execution time.
`QueryResults.Statistics` | `withOptimizationTime(long optimizationNanos)` Create a new statistics object that has the supplied optimization time.
`QueryResults.Statistics` | `withOptimizationTime(long optimization, TimeUnit unit)` Create a new statistics object that has the supplied optimization time.
`QueryResults.Statistics` | `withPlanningTime(long planningNanos)` Create a new statistics object that has the supplied planning time.
`QueryResults.Statistics` | `withPlanningTime(long planning, TimeUnit unit)` Create a new statistics object that has the supplied planning time.
`QueryResults.Statistics` | `withResultsFormulationTime(long resultFormulationNanos)` Create a new statistics object that has the supplied result formulation time.
`QueryResults.Statistics` | `withResultsFormulationTime(long resultFormulation, TimeUnit unit)` Create a new statistics object that has the supplied result formulation time.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### EMPTY_STATISTICS

    protected static final QueryResults.Statistics EMPTY_STATISTICS

Constructor Detail

### QueryResults.Statistics

    public QueryResults.Statistics()

### QueryResults.Statistics

    public QueryResults.Statistics(long planningNanos)

### QueryResults.Statistics

    public QueryResults.Statistics(long planningNanos,
                                   long optimizationNanos,
                                   long resultFormulationNanos,
                                   long executionNanos)

Method Detail

### getPlanningTime

    public long getPlanningTime(TimeUnit unit)

  Get the time required to come up with the canonical plan.

  Parameters:
    `unit` - the time unit that should be used
  Returns:
    the time to plan, in the desired units
  Throws:
    `IllegalArgumentException` - if the unit is null

### getOptimizationTime

    public long getOptimizationTime(TimeUnit unit)

  Get the time required to determine or select a (more) optimal plan.

  Parameters:
    `unit` - the time unit that should be used
  Returns:
    the time to determine an optimal plan, in the desired units
  Throws:
    `IllegalArgumentException` - if the unit is null

### getResultFormulationTime

    public long getResultFormulationTime(TimeUnit unit)

  Get the time required to formulate the structure of the results.

  Parameters:
    `unit` - the time unit that should be used
  Returns:
    the time to formulate the results, in the desired units
  Throws:
    `IllegalArgumentException` - if the unit is null

### getExecutionTime

    public long getExecutionTime(TimeUnit unit)

  Get the time required to execute the query.

  Parameters:
    `unit` - the time unit that should be used
  Returns:
    the time to execute the query, in the desired units
  Throws:
    `IllegalArgumentException` - if the unit is null

### getTotalTime

    public long getTotalTime(TimeUnit unit)

  Get the time required to execute the query.

  Parameters:
    `unit` - the time unit that should be used
  Returns:
    the time to execute the query, in the desired units
  Throws:
    `IllegalArgumentException` - if the unit is null

### totalTime

    protected long totalTime()

### withPlanningTime

    public QueryResults.Statistics withPlanningTime(long planningNanos)

  Create a new statistics object that has the supplied planning time.

  Parameters:
    `planningNanos` - the number of nanoseconds required by planning
  Returns:
    the new statistics object; never null

### withOptimizationTime

    public QueryResults.Statistics withOptimizationTime(long optimizationNanos)

  Create a new statistics object that has the supplied optimization time.

  Parameters:
    `optimizationNanos` - the number of nanoseconds required by optimization
  Returns:
    the new statistics object; never null

### withResultsFormulationTime

    public QueryResults.Statistics withResultsFormulationTime(long resultFormulationNanos)

  Create a new statistics object that has the supplied result formulation time.

  Parameters:
    `resultFormulationNanos` - the number of nanoseconds required by result formulation
  Returns:
    the new statistics object; never null

### withExecutionTime

    public QueryResults.Statistics withExecutionTime(long executionNanos)

  Create a new statistics object that has the supplied execution time.

  Parameters:
    `executionNanos` - the number of nanoseconds required to execute the query
  Returns:
    the new statistics object; never null

### withPlanningTime

    public QueryResults.Statistics withPlanningTime(long planning,
                                                    TimeUnit unit)

  Create a new statistics object that has the supplied planning time.

  Parameters:
    `planning` - the time required to plan the query
    `unit` - the time unit
  Returns:
    the new statistics object; never null
  Throws:
    `IllegalArgumentException` - if the unit is null

### withOptimizationTime

    public QueryResults.Statistics withOptimizationTime(long optimization,
                                                        TimeUnit unit)

  Create a new statistics object that has the supplied optimization time.

  Parameters:
    `optimization` - the time required by optimization
    `unit` - the time unit
  Returns:
    the new statistics object; never null
  Throws:
    `IllegalArgumentException` - if the unit is null

### withResultsFormulationTime

    public QueryResults.Statistics withResultsFormulationTime(long resultFormulation,
                                                              TimeUnit unit)

  Create a new statistics object that has the supplied result formulation time.

  Parameters:
    `resultFormulation` - the time required to formulate the results
    `unit` - the time unit
  Returns:
    the new statistics object; never null
  Throws:
    `IllegalArgumentException` - if the unit is null

### withExecutionTime

    public QueryResults.Statistics withExecutionTime(long execution,
                                                     TimeUnit unit)

  Create a new statistics object that has the supplied execution time.

  Parameters:
    `execution` - the time required to execute the query
    `unit` - the time unit
  Returns:
    the new statistics object; never null
  Throws:
    `IllegalArgumentException` - if the unit is null

### compareTo

    public int compareTo(QueryResults.Statistics that)

  Specified by:
    `compareTo` in interface `Comparable<QueryResults.Statistics>`
  See Also:
    `Comparable.compareTo(java.lang.Object)`

### toString

    public String toString()

  Overrides:
    `toString` in class `Object`
  See Also:
    `Object.toString()`

### readable

    protected void readable(long nanos,
                            StringBuilder sb)

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