Class Metadata

Name

Syntax	name
Description	Contains the full qualified name of the specified class. Because this attribute is of the XML type ID, there can only be one class-descriptor per class.

Example:

<gigaspaces-mapping>
    <class name="model.Person">
    </class>
</gigaspaces-mapping>

Persistence

Syntax	persist
Argument	boolean
Default	false
Description	This field indicates the persistency mode of the object. When a space is defined as persistent, a true value for this attribute will persist objects of this type.

Example:

<gigaspaces-mapping>
    <class name="model.Person" persist="true">
    </class>
</gigaspaces-mapping>

Replication

Syntax	replicate
Argument	boolean
Default	false
Description	This field indicates the replication mode of the object. When a space is defined as replicated, a true value for this attribute will replicate objects of this type.

Example:

<gigaspaces-mapping>
    <class name="model.Person" replicate="true">
    </class>
</gigaspaces-mapping>

FIFO Support

Syntax	fifo-support
Argument	FifoSupport
Default	not_set
Description	Enabling FIFO FIFO is an acronym for first in, first out, a method for organizing the manipulation of a data structure where the oldest entry, or "head" of the queue, is processed first. operations.

Example:

<gigaspaces-mapping>
    <class name="model.Person" fifo-support="operation">
    </class>
</gigaspaces-mapping>

Storage Type

Syntax	storage-type
Argument	StorageType
Default	object
Description	To determine a default storage type for each non primitive property for which a (field level) storage type was not defined.

Example:

<gigaspaces-mapping>
    <class name="model.Person" storage-type="binary" />
</gigaspaces-mapping>

Include Properties

Syntax	include-properties
Argument	IncludeProperties
Default	implicit
Description	implicit takes into account all POJO Plain Old Java Object. A regular Java object with no special restrictions other than those forced by the Java Language Specification and does not require any classpath. fields – even if a get method is not declared as a SpaceProperty, it is taken into account as a space field.explicit takes into account only the get methods which are declared in the mapping file.

Example:

<gigaspaces-mapping>
    <class name="model.Person" include-properties="explicit" />
</gigaspaces-mapping>

Inherit Index

Syntax	inherit-indexes
Argument	boolean
Default	true
Description	Whether to use the class indexes list only, or to also include the superclass' indexes. If the class does not define indexes, superclass indexes are used. Options: - false – class indexes only. - true – class indexes and superclass indexes.

Example:

<gigaspaces-mapping>
    <class name="model.Person" inherit-indexes="false" />
</gigaspaces-mapping>

Compound Index

Syntax	compound-index paths
Argument(s)	string
Values	attribute name(s)
Description	Indexes can be defined for multiple attributes of a class

Example:

<gigaspaces-mapping>
    <class name="Data" >
        <compound-index paths="data1, data2"/>
        ...
    </class>
</gigaspaces-mapping>

Blobstore

Syntax	blobstoreEnabled
Argument	boolean
Default	true
Description	By default any Space Data Type is blobStore enabled. When decorating the space class with its meta data you may turn off the blobStore behavior using the @SpaceClass blobStore annotation or gs.xml blobStore tag.

Example:

<gigaspaces-mapping>
    <class name="com.test.Person" "blobstoreEnabled"="false" >
     .....
     </class>
</gigaspaces-mapping>