added javadoc for write parameters.
added javadoc for write parameters.

svn path=/xap/trunk/openspaces/; revision=115578


Former-commit-id: 0369f6841c5f0c4e6ec4f87a66852bba43c8ee42
Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces