QueryRecorder Class |
14c (14.1.1.0)
F23534-02
This parallel aggregator used to produce a {@link com.tangosol.util.QueryRecord}
object that contains an estimated or actual cost of the query execution
for a given filter.
For example, the following code will return a QueryPlan, containing the
estimated query cost and corresponding execution steps.
Inheritance HierarchyNamespace: Tangosol.Util.Aggregator
Assembly: Coherence (in Coherence.dll) Version: 14.1.1.14 (14.1.1.14)
SyntaxC#
public class QueryRecorder : IParallelAwareAggregator, IEntryAggregator, IPortableObject
The QueryRecorder type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | QueryRecorder |
Default constructor (necessary for IPortableObject interface).
|
| QueryRecorder(QueryRecorderRecordType) |
Construct a QueryRecorder.
|
Properties| Name | Description | |
|---|---|---|
 | ParallelAggregator |
Get an aggregator that can take the place of this aggregator in
situations in which the IInvocableCache can
aggregate in parallel.
|
| Type |
Get the record type for this query recorder.
|
Methods| Name | Description | |
|---|---|---|
| Aggregate |
Process a set of IInvocableCacheEntry objects
in order to produce an aggregated result.
|
| AggregateResults |
Aggregate the results of the parallel aggregations.
|
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
 | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| ReadExternal |
Restore the contents of a user type instance by reading its state
using the specified IPofReader object.
|
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
| WriteExternal |
Save the contents of a POF user type instance by writing its
state using the specified IPofWriter object.
|
See Also