private final int encodeIds ( byte [ ] buffer , int offset ) { if ( TraceComponent . isAnyTracingEnabled ( ) && tc . isEntryEnabled ( ) ) SibTr . entry ( this , tc , "encodeIds" ) ; int idOffset = offset ; // Write the JMF version number and Schema id for the header ArrayUtil . writeShort ( buffer , idOffset , ( ( JMFMessage ) headerPart . jmfPart ) . getJMFEncodingVersion ( ) ) ; idOffset += ArrayUtil . SHORT_SIZE ; ArrayUtil . writeLong ( buffer , idOffset , headerPart . jmfPart . getEncodingSchema ( ) . getID ( ) ) ; idOffset += ArrayUtil . LONG_SIZE ; // Write the JMF version number and Schema id for the payload, if there is one if ( payloadPart != null ) { ArrayUtil . writeShort ( buffer , idOffset , ( ( JMFMessage ) payloadPart . jmfPart ) . getJMFEncodingVersion ( ) ) ; idOffset += ArrayUtil . SHORT_SIZE ; ArrayUtil . writeLong ( buffer , idOffset , payloadPart . jmfPart . getEncodingSchema ( ) . getID ( ) ) ; idOffset += ArrayUtil . LONG_SIZE ; } // Otherwise we just write zeros to fill up the same space else { ArrayUtil . writeShort ( buffer , idOffset , ( short ) 0 ) ; idOffset += ArrayUtil . SHORT_SIZE ; ArrayUtil . writeLong ( buffer , idOffset , 0L ) ; idOffset += ArrayUtil . LONG_SIZE ; } if ( TraceComponent . isAnyTracingEnabled ( ) && tc . isEntryEnabled ( ) ) SibTr . exit ( this , tc , "encodeIds" , Integer . valueOf ( idOffset - offset ) ) ; return idOffset - offset ; }
Encode the JMF version and schema ids into a byte array buffer . The buffer will be used when transmitting over the wire hardening into a database and for any other need for serialization