Class UniversalExtractor

Universal IValueExtractor implementation.

Inheritance

object

AbstractExtractor

UniversalExtractor

Implements

Inherited Members

AbstractExtractor.Target

AbstractExtractor.Extract(object)

AbstractExtractor.Compare(object, object)

AbstractExtractor.CompareEntries(IQueryCacheEntry, IQueryCacheEntry)

AbstractExtractor.ExtractFromEntry(ICacheEntry)

AbstractExtractor.ExtractOriginalFromEntry(CacheEntry)

AbstractExtractor.VALUE

AbstractExtractor.KEY

AbstractExtractor.m_target

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

Namespace: Tangosol.Util.Extractor

Assembly: Coherence.dll

Syntax

public class UniversalExtractor : AbstractExtractor, IQueryCacheComparer, IComparer, IValueExtractor, IPortableObject

Remarks

UniversalExtractor can only run within the Coherence cluster. Refer to the Coherence for Java documentation for more information.

Constructors

UniversalExtractor()

Default constructor (necessary for the IPortableObject interface).

Declaration

public UniversalExtractor()

UniversalExtractor(string)

Construct a UniversalExtractor based on a member name.

Declaration

public UniversalExtractor(string name)

Parameters

Type	Name	Description
string	name	A method or property name.

UniversalExtractor(string, object[])

Construct a UniversalExtractor.

Declaration

public UniversalExtractor(string name, object[] parameters)

Parameters

Type	Name	Description
string	name	A method or property name.
object[]	parameters	The array of arguments to be used in the method invocation; may be `null`.

UniversalExtractor(string, object[], int)

Construct a UniversalExtractor based on a method name, optional parameters and the entry extraction target.

Declaration

public UniversalExtractor(string name, object[] parameters, int target)

Parameters

Type	Name	Description
string	name	A method or property name.
object[]	parameters	The array of arguments to be used in the method invocation; may be `null`.
int	target	One of the VALUE or KEY values

Fields

METHOD_SUFFIX

If m_name ends with this suffix, it represents a method name.

Declaration

public static readonly string METHOD_SUFFIX

Field Value

Type	Description
string

m_name

The name of the member to invoke.

Declaration

protected string m_name

Field Value

Type	Description
string

m_parameters

The parameter array.

Declaration

protected object[] m_parameters

Field Value

Type	Description
object[]

Properties

Name

Get the method or property name.

Declaration

public virtual string Name { get; }

Property Value

Type	Description
string	the method or property name.

Parameters

Gets the array of arguments used to invoke the method.

Declaration

public virtual object[] Parameters { get; }

Property Value

Type	Description
object[]	The array of arguments used to invoke the method.

Methods

ReadExternal(IPofReader)

Restore the contents of a user type instance by reading its state using the specified IPofReader object.

Declaration

public virtual void ReadExternal(IPofReader reader)

Parameters

Type	Name	Description
IPofReader	reader	The IPofReader from which to read the object's state.

Exceptions

Type	Condition
IOException	If an I/O error occurs.

ToString()

Provide a human-readable description of this IValueExtractor object.

Declaration

public override string ToString()

Returns

Type	Description
string	A human-readable description of this IValueExtractor object.

Overrides

object.ToString()

WriteExternal(IPofWriter)

Save the contents of a POF user type instance by writing its state using the specified IPofWriter object.

Declaration

public virtual void WriteExternal(IPofWriter writer)

Parameters

Type	Name	Description
IPofWriter	writer	The IPofWriter to which to write the object's state.

Exceptions

Type	Condition
IOException	If an I/O error occurs.

Implements

IQueryCacheComparer

IComparer

IValueExtractor

IPortableObject