orbconstants.java

java1.6众多例子参考

/*
 * @(#)ORBConstants.java	1.63 05/11/17
 *
 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package com.sun.corba.se.impl.orbutil;

import com.sun.corba.se.impl.util.SUNVMCID ;

public class ORBConstants {
    private ORBConstants() {}

    public static final String STRINGIFY_PREFIX = "IOR:" ;

    /* TAGS
       [e-mail]
       FAQ on tags and tag allocation: http://doc.omg.org/ptc/99-02-01.
       http://doc.omg.org/standard-tags
       http://doc.omg.org/vendor-tags

       Last update:  19th August 2003 (ptc/03-08-14)

       // Legacy
       1 profile tag      0x4f4e4300              ("ONC\x00")
       1 profile tag      0x4e454f00              ("NEO\x00")
       1 profile tag      0x434f4f4c              ("COOL")
       16 service tags    0x4e454f00 - 0x4e454f0f ("NEO\x00" - "NEO\x0f")

       // Current
       16 VMCID           0x5355xxxx              ("SU\x00\x00" - "SU\xff\xff")
       16 profile tags    0x53554e00 - 0x53554e0f ("SUN\x00" - "SUN\x0f")
       16 ORB Type IDs    0x53554e00 - 0x53554e0f ("SUN\x00" - "SUN\x0f")
       64 service tags    0x53554e00 - 0x53554e3f ("SUN\x00" - "SUN\x3f")
       64 component tags  0x53554e00 - 0x53554e3f ("SUN\x00" - "SUN\x3f")
    */

    // All NEO service contexts must be in the range 
    // NEO_FIRST_SERVICE_CONTEXT to
    // NEO_FIRST_SERVICE_CONTEXT + NUM_NEO_SERVICE_CONTEXTS - 1
    public static final int NEO_FIRST_SERVICE_CONTEXT = 0x4e454f00 ;
    public static final int NUM_NEO_SERVICE_CONTEXTS = 15 ;
    public static final int TAG_ORB_VERSION = NEO_FIRST_SERVICE_CONTEXT ;

    public static final int SUN_TAGGED_COMPONENT_ID_BASE = 0x53554e00;
    public static final int SUN_SERVICE_CONTEXT_ID_BASE  = 0x53554e00;

    //
    // Tagged Components Ids
    //

    // Used by AS 7 for IIOP failover.
    public static final int TAG_CONTAINER_ID =
	SUN_TAGGED_COMPONENT_ID_BASE + 0;
    // Used by AS 8.1 for Request Partioning
    public static final int TAG_REQUEST_PARTITIONING_ID = 
	SUN_TAGGED_COMPONENT_ID_BASE + 1;
    // TaggedComponentId for Java serialization tagged component.
    public static final int TAG_JAVA_SERIALIZATION_ID =
 	SUN_TAGGED_COMPONENT_ID_BASE + 2;

    //
    // Service Context Ids
    //

    // Used by AS 7 for IIOP failover.
    public static final int CONTAINER_ID_SERVICE_CONTEXT =
	SUN_SERVICE_CONTEXT_ID_BASE + 0;	

    // All Sun policies are allocated using the SUNVMCID, which is also
    // used for minor codes.  This allows 12 bits of offset, so
    // the largest legal Sun policy is SUNVMCID.value + 4095.
    public static final int SERVANT_CACHING_POLICY      = SUNVMCID.value + 0 ;
    public static final int ZERO_PORT_POLICY	        = SUNVMCID.value + 1 ;
    public static final int COPY_OBJECT_POLICY	        = SUNVMCID.value + 2 ;
    public static final int REQUEST_PARTITIONING_POLICY = SUNVMCID.value + 3 ;

    // These are the subcontract IDs for various qualities of
    // service/implementation.
    // Persistent SCIDs have the second bit as 1.
    // SCIDs less than FIRST_POA_SCID are JavaIDL SCIDs.
    public static final int TOA_SCID = 2 ;

    public static final int DEFAULT_SCID = TOA_SCID ;

    public static final int FIRST_POA_SCID = 32;
    public static final int MAX_POA_SCID = 63;
    public static final int TRANSIENT_SCID	    = FIRST_POA_SCID ;
    public static final int PERSISTENT_SCID	    = makePersistent( TRANSIENT_SCID ) ;
    public static final int SC_TRANSIENT_SCID	    = FIRST_POA_SCID + 4 ;
    public static final int SC_PERSISTENT_SCID	    = makePersistent( SC_TRANSIENT_SCID ) ;
    public static final int IISC_TRANSIENT_SCID	    = FIRST_POA_SCID + 8 ;
    public static final int IISC_PERSISTENT_SCID    = makePersistent( IISC_TRANSIENT_SCID ) ;
    public static final int MINSC_TRANSIENT_SCID    = FIRST_POA_SCID + 12 ;
    public static final int MINSC_PERSISTENT_SCID   = makePersistent( MINSC_TRANSIENT_SCID ) ;

    public static boolean isTransient( int scid )
    {
	return (scid & 2) == 0 ;
    }

    public static int makePersistent( int scid ) 
    {
	return scid | 2 ;
    }

    // Constants for ORB properties **************************************************************

    // All ORB properties must follow the following rules:
    // 1. Property names must start with either
    //    ORG_OMG_CORBA_PREFIX or SUN_PREFIX.
    // 2. Property names must have unique suffixes after the last ".".
    // 3. Property names must have "ORB" as the first 3 letters 
    //    in their suffix.
    // 4. proprietary property names should have a subsystem
    //    where appropriate after the prefix.

    // org.omg.CORBA properties must be defined by OMG standards
    // The well known org.omg.CORBA.ORBClass and
    // org.omg.CORBA.ORBSingletonClass are not included here
    // since they occur in org.omg.CORBA.ORB.

    public static final String ORG_OMG_PREFIX       = "org.omg." ;
    public static final String ORG_OMG_CORBA_PREFIX = "org.omg.CORBA." ;

    public static final String INITIAL_HOST_PROPERTY =
	ORG_OMG_CORBA_PREFIX + "ORBInitialHost" ;
    public static final String INITIAL_PORT_PROPERTY =
	ORG_OMG_CORBA_PREFIX + "ORBInitialPort" ;
    public static final String INITIAL_SERVICES_PROPERTY =
	ORG_OMG_CORBA_PREFIX + "ORBInitialServices" ;
    public static final String DEFAULT_INIT_REF_PROPERTY =
	ORG_OMG_CORBA_PREFIX + "ORBDefaultInitRef" ;
    public static final String ORB_INIT_REF_PROPERTY =
	ORG_OMG_CORBA_PREFIX + "ORBInitRef" ;

    // All of our proprietary properties must start with com.sun.CORBA
    public static final String SUN_PREFIX = "com.sun.CORBA." ;

    // general properties
    public static final String ALLOW_LOCAL_OPTIMIZATION		= SUN_PREFIX + "ORBAllowLocalOptimization" ;
    public static final String SERVER_PORT_PROPERTY		= SUN_PREFIX + "ORBServerPort" ;
    public static final String SERVER_HOST_PROPERTY		= SUN_PREFIX + "ORBServerHost" ;
    public static final String ORB_ID_PROPERTY			= ORG_OMG_CORBA_PREFIX + "ORBId" ;
    // This property is provided for backward compatibility reasons
    public static final String OLD_ORB_ID_PROPERTY		= SUN_PREFIX + "ORBid" ;
    public static final String ORB_SERVER_ID_PROPERTY	        = ORG_OMG_CORBA_PREFIX + "ORBServerId" ;
    public static final String DEBUG_PROPERTY			= SUN_PREFIX + "ORBDebug" ;
    // Property for setting use of repository Ids during serialization.
    public static final String USE_REP_ID = SUN_PREFIX + "ORBUseRepId";

    // NOTE: This is an internal property.  It should never be set by
    // a user.  That is the reason it has spaces in its name - to make it
    // harder to use.
    public static final String LISTEN_ON_ALL_INTERFACES         = SUN_PREFIX + "INTERNAL USE ONLY: listen on all interfaces";

    // giop related properties - default settings in decimal form
    public static final String GIOP_VERSION                     = SUN_PREFIX + "giop.ORBGIOPVersion" ;
    public static final String GIOP_FRAGMENT_SIZE               = SUN_PREFIX + "giop.ORBFragmentSize" ;
    public static final String GIOP_BUFFER_SIZE                 = SUN_PREFIX + "giop.ORBBufferSize" ;
    public static final String GIOP_11_BUFFMGR                  = SUN_PREFIX + "giop.ORBGIOP11BuffMgr";
    public static final String GIOP_12_BUFFMGR                  = SUN_PREFIX + "giop.ORBGIOP12BuffMgr";
    public static final String GIOP_TARGET_ADDRESSING           = SUN_PREFIX + "giop.ORBTargetAddressing";    
    public static final int GIOP_DEFAULT_FRAGMENT_SIZE = 1024;
    public static final int GIOP_DEFAULT_BUFFER_SIZE = 1024;
    public static final int DEFAULT_GIOP_11_BUFFMGR = 0; //Growing
    public static final int DEFAULT_GIOP_12_BUFFMGR = 2; //Streaming
    public static final short ADDR_DISP_OBJKEY = 0; // object key used for target addressing
    public static final short ADDR_DISP_PROFILE = 1; // iop profile used for target addressing
    public static final short ADDR_DISP_IOR = 2; // ior used for target addressing
    public static final short ADDR_DISP_HANDLE_ALL = 3; // accept all target addressing dispositions (default)

    // CORBA formal 00-11-03 sections 15.4.2.2, 15.4.3.2, 15.4.6.2
    // state that the GIOP 1.2 RequestMessage, ReplyMessage, and
    // LocateReply message bodies must begin on 8 byte boundaries.
    public static final int GIOP_12_MSG_BODY_ALIGNMENT = 8;

    // The GIOP 1.2 fragments must be divisible by 8.  We generalize this
    // to GIOP 1.1 fragments, as well.
    public static final int GIOP_FRAGMENT_DIVISOR = 8;
    public static final int GIOP_FRAGMENT_MINIMUM_SIZE = 32;

    // connection management properties
    public static final String HIGH_WATER_MARK_PROPERTY	=
	SUN_PREFIX + "connection.ORBHighWaterMark" ;
    public static final String LOW_WATER_MARK_PROPERTY =
	SUN_PREFIX + "connection.ORBLowWaterMark" ;
    public static final String NUMBER_TO_RECLAIM_PROPERTY =
	SUN_PREFIX + "connection.ORBNumberToReclaim" ;

    public static final String ACCEPTOR_CLASS_PREFIX_PROPERTY =
	SUN_PREFIX + "transport.ORBAcceptor";

    public static final String CONTACT_INFO_LIST_FACTORY_CLASS_PROPERTY =
	SUN_PREFIX + "transport.ORBContactInfoList";

    // Legacy:
    public static final String LEGACY_SOCKET_FACTORY_CLASS_PROPERTY =
	SUN_PREFIX + "legacy.connection.ORBSocketFactoryClass" ;


    public static final String SOCKET_FACTORY_CLASS_PROPERTY =
	SUN_PREFIX + "transport.ORBSocketFactoryClass" ;
    public static final String LISTEN_SOCKET_PROPERTY =
	SUN_PREFIX + "transport.ORBListenSocket";
    public static final String IOR_TO_SOCKET_INFO_CLASS_PROPERTY =
	SUN_PREFIX + "transport.ORBIORToSocketInfoClass";
    public static final String IIOP_PRIMARY_TO_CONTACT_INFO_CLASS_PROPERTY =
	SUN_PREFIX + "transport.ORBIIOPPrimaryToContactInfoClass";

    // Request partitioning maximum and minimum thread pool id constants.
    public static final int REQUEST_PARTITIONING_MIN_THREAD_POOL_ID =  0;
    public static final int REQUEST_PARTITIONING_MAX_THREAD_POOL_ID = 63;

    // transport read tcp timeout property, colon separated property 
    // with syntax <initial time to wait:max read giop header time to
    // wait: max read message time to wait:backoff factor>
    public static final String TRANSPORT_TCP_READ_TIMEOUTS_PROPERTY =
	SUN_PREFIX + "transport.ORBTCPReadTimeouts";

    // initial time to wait in milliseconds if a transport
    // tcp read returns 0 bytes
    public static final int TRANSPORT_TCP_INITIAL_TIME_TO_WAIT = 100;

    // max time to spend in cumulative waits in milliseconds
    // if a transport tcp read returns 0 bytes