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| author | Tom Tromey <tromey@redhat.com> | 2001-08-28 00:03:35 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 2001-08-28 00:03:35 +0000 |
| commit | 83e7315b5fae7fc17b3ddcae2b6b1835620b3bc5 (patch) | |
| tree | 0524f17b5bc6a9ba62b7ab93c70f5b39e858a828 /libjava/java/rmi/server/UID.java | |
| parent | c5bb59c118038f25b2479b2513c36626a8df6cb3 (diff) | |
| download | gcc-83e7315b5fae7fc17b3ddcae2b6b1835620b3bc5.zip gcc-83e7315b5fae7fc17b3ddcae2b6b1835620b3bc5.tar.gz gcc-83e7315b5fae7fc17b3ddcae2b6b1835620b3bc5.tar.bz2 | |
Activatable.java, [...]: RMI implementation from Kaffe.
* java/rmi/activation/Activatable.java,
java/rmi/activation/ActivateFailedException.java,
java/rmi/activation/ActivationDesc.java,
java/rmi/activation/ActivationException.java,
java/rmi/activation/ActivationGroup.java,
java/rmi/activation/ActivationGroupDesc.java,
java/rmi/activation/ActivationGroupID.java,
java/rmi/activation/ActivationID.java,
java/rmi/activation/ActivationInstantiator.java,
java/rmi/activation/ActivationMonitor.java,
java/rmi/activation/ActivationSystem.java,
java/rmi/activation/Activator.java,
java/rmi/activation/UnknownGroupException.java,
java/rmi/activation/UnknownObjectException.java,
java/rmi/AccessException.java,
java/rmi/AlreadyBoundException.java,
java/rmi/ConnectException.java, java/rmi/ConnectIOException.java,
java/rmi/MarshalException.java, java/rmi/MarshalledObject.java,
java/rmi/Naming.java, java/rmi/NoSuchObjectException.java,
java/rmi/NotBoundException.java,
java/rmi/RMISecurityException.java,
java/rmi/RMISecurityManager.java, java/rmi/Remote.java,
java/rmi/RemoteException.java, java/rmi/ServerError.java,
java/rmi/ServerException.java,
java/rmi/ServerRuntimeException.java,
java/rmi/StubNotFoundException.java,
java/rmi/UnexpectedException.java,
java/rmi/UnknownHostException.java,
java/rmi/UnmarshalException.java, java/rmi/dgc/DGC.java,
java/rmi/dgc/Lease.java, java/rmi/dgc/VMID.java,
java/rmi/registry/LocateRegistry.java,
java/rmi/registry/Registry.java,
java/rmi/registry/RegistryHandler.java,
java/rmi/server/ExportException.java,
java/rmi/server/LoaderHandler.java,
java/rmi/server/LogStream.java, java/rmi/server/ObjID.java,
java/rmi/server/Operation.java,
java/rmi/server/RMIClassLoader.java,
java/rmi/server/RMIClientSocketFactory.java,
java/rmi/server/RMIFailureHandler.java,
java/rmi/server/RMIServerSocketFactory.java,
java/rmi/server/RMISocketFactory.java,
java/rmi/server/RemoteCall.java,
java/rmi/server/RemoteObject.java, java/rmi/server/RemoteRef.java,
java/rmi/server/RemoteServer.java,
java/rmi/server/RemoteStub.java,
java/rmi/server/ServerCloneException.java,
java/rmi/server/ServerNotActiveException.java,
java/rmi/server/ServerRef.java, java/rmi/server/Skeleton.java,
java/rmi/server/SkeletonMismatchException.java,
java/rmi/server/SkeletonNotFoundException.java,
java/rmi/server/SocketSecurityException.java,
java/rmi/server/UID.java,
java/rmi/server/UnicastRemoteObject.java,
java/rmi/server/Unreferenced.java, gnu/java/rmi/dgc/DGCImpl.java,
gnu/java/rmi/dgc/DGCImpl_Skel.java,
gnu/java/rmi/dgc/DGCImpl_Stub.java,
gnu/java/rmi/registry/RegistryImpl.java,
gnu/java/rmi/registry/RegistryImpl_Skel.java,
gnu/java/rmi/registry/RegistryImpl_Stub.java,
gnu/java/rmi/rmic/RMIC.java, gnu/java/rmi/rmic/TabbedWriter.java,
gnu/java/rmi/server/ProtocolConstants.java,
gnu/java/rmi/server/RMIDefaultSocketFactory.java,
gnu/java/rmi/server/RMIHashes.java,
gnu/java/rmi/server/RMIObjectInputStream.java,
gnu/java/rmi/server/RMIObjectOutputStream.java,
gnu/java/rmi/server/UnicastConnection.java,
gnu/java/rmi/server/UnicastConnectionManager.java,
gnu/java/rmi/server/UnicastRef.java,
gnu/java/rmi/server/UnicastRemoteCall.java,
gnu/java/rmi/server/UnicastRemoteStub.java,
gnu/java/rmi/server/UnicastServer.java,
gnu/java/rmi/server/UnicastServerRef.java: RMI implementation from
Kaffe. Relabelled classes to fit into Classpath tree.
* Makefile.in: Rebuilt.
* Makefile.am (rmi_java_source_files): New macro.
(ordinary_java_source_files): Reference it.
(bin_PROGRAMS): Added rmic and rmiregistry.
(rmic_SOURCES): New macro.
(EXTRA_rmic_SOURCES): Likewise.
(rmic_LDFLAGS): Likewise.
(rmic_LINK): Likewise.
(rmic_LDADD): Likewise.
(rmic_DEPENDENCIES): Likewise.
(rmiregistry_SOURCES): New macro.
(EXTRA_rmiregistry_SOURCES): Likewise.
(rmiregistry_LDFLAGS): Likewise.
(rmiregistry_LINK): Likewise.
(rmiregistry_LDADD): Likewise.
(rmiregistry_DEPENDENCIES): Likewise.
From-SVN: r45218
Diffstat (limited to 'libjava/java/rmi/server/UID.java')
| -rw-r--r-- | libjava/java/rmi/server/UID.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/libjava/java/rmi/server/UID.java b/libjava/java/rmi/server/UID.java new file mode 100644 index 0000000..49d256e --- /dev/null +++ b/libjava/java/rmi/server/UID.java @@ -0,0 +1,120 @@ +/* + Copyright (c) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. + */ + +package java.rmi.server; + +import java.io.Serializable; +import java.io.DataOutput; +import java.io.DataInput; +import java.io.IOException; +import java.util.Random; +import java.lang.Thread; +import java.lang.InterruptedException; + +public final class UID + implements Serializable { + +public static final long serialVersionUID = 1086053664494604050L; + +private static final Object lock = UID.class; +private static long baseTime = System.currentTimeMillis(); +private static short nextCount = Short.MIN_VALUE; +// This is sun's algorithm - don't ask me why ... +private static final int uniqueNr = (new Object()).hashCode(); + +private int unique; +private long time; +private short count; + +/** + * This is sun's algorithm - don't ask me why ... + */ +public UID() { + synchronized (lock) { + if (count == Short.MAX_VALUE) { + long newtime; + for (;;) { + newtime = System.currentTimeMillis(); + if (newtime - baseTime > 1000) { + break; + } + try { + Thread.sleep(1000); + } + catch (InterruptedException _) { + } + } + baseTime = newtime; + nextCount = Short.MIN_VALUE; + } + count = nextCount++; + unique = uniqueNr; + time = baseTime; + } +} + +public UID(short num) { + unique = (int)num; + time = 0; + count = 0; +} + +public int hashCode() { + return (unique); +} + +public boolean equals(Object obj) { + if (obj instanceof UID) { + UID uid = (UID)obj; + if (this.unique == uid.unique && + this.time == uid.time && + this.count == uid.count) { + return (true); + } + } + return (false); +} + +public String toString() { + return ("[UID: " + unique + "," + time + "," + count + "]"); +} + +public void write(DataOutput out) throws IOException { + out.writeInt(unique); + out.writeLong(time); + out.writeShort(count); +} + +public static UID read(DataInput in) throws IOException { + UID id = new UID(); + id.unique = in.readInt(); + id.time = in.readLong(); + id.count = in.readShort(); + return (id); +} + +} |