Java UUID.add方法代码示例

import org.jgroups.util.UUID; //导入方法依赖的package包/类
protected Object installView(byte[] buf, int offset, int length) {
    try {
        ViewData data=(ViewData)Util.streamableFromByteBuffer(ViewData.class, buf, offset, length);
        if(data.uuids != null)
            UUID.add(data.uuids);

        remote_view=data.remote_view;
        if(global_view == null || (data.global_view != null &&!global_view.equals(data.global_view))) {
            global_view=data.global_view;
            synchronized(this) {
                if(data.global_view.getViewId().getId() > global_view_id)
                    global_view_id=data.global_view.getViewId().getId();
            }
            if(present_global_views)
                return up_prot.up(new Event(Event.VIEW_CHANGE, global_view));
        }
    }
    catch(Exception e) {
        log.error("failed installing view", e);
    }
    return null;
}
 

import org.jgroups.util.UUID; //导入方法依赖的package包/类
/**
 * Generates new UUID and sets local address. Sends down a REMOVE_ADDRESS (if existing address was present) and
 * a SET_LOCAL_ADDRESS
 */
protected void setAddress() {
    Address old_addr=local_addr;
    local_addr=generateAddress();
    if(old_addr != null)
        down(new Event(Event.REMOVE_ADDRESS, old_addr));
    if(name == null || name.isEmpty()) // generate a logical name if not set
        name=Util.generateLocalName();
    if(name != null && !name.isEmpty())
        UUID.add(local_addr, name);

    Event evt=new Event(Event.SET_LOCAL_ADDRESS, local_addr);
    down(evt);
    if(up_handler != null)
        up_handler.up(evt);
}
 

import org.jgroups.util.UUID; //导入方法依赖的package包/类
/** Adds received INFO to views hashmap */
protected void addInfo(Address sender, ViewId view_id, String logical_name, PhysicalAddress physical_addr) {
    if(logical_name != null && sender instanceof UUID)
        UUID.add(sender, logical_name);
    if(physical_addr != null)
        down(new Event(Event.SET_PHYSICAL_ADDRESS, new Tuple<>(sender, physical_addr)));
    synchronized(views) {
        ViewId existing=views.get(sender);
        if(existing == null || existing.compareTo(view_id) < 0)
            views.put(sender, view_id);
    }
}
 

import org.jgroups.util.UUID; //导入方法依赖的package包/类
protected void setPingData(PingData data) {
    if(data.getAddress() != null) {
        if(data.getPhysicalAddr() != null)
            addPhysicalAddressToCache(data.getAddress(),data.getPhysicalAddr());
        if(data.getLogicalName() != null)
            UUID.add(data.getAddress(), data.getLogicalName());
    }
}
 

import org.jgroups.util.UUID; //导入方法依赖的package包/类
/** Reads all mappings from disk */
protected synchronized void readCacheFromDisk() {
    if(log.isDebugEnabled())
        log.debug("reading all mappings from disk cache " + root_dir);
    File[] files=root_dir.listFiles(filter);
    if(files == null)
        return;

    for(File file: files) {
        // implementing a simple spin lock doing a few attempts to read the file
        // this is done since the file may be written in concurrency and may therefore not be readable
        Mapping data=null;
        for(int i=0; i < 3; i++) {
            data=null;
            if(file.exists())
                data=readAddressMapping(file);
            if(data != null)
                break;
            else
                Util.sleep(100);
        }

        if(data == null) {
            log.warn("failed parsing content in " + file.getAbsolutePath() + ": removing it ");
            deleteFile(file);
        }
        else {
            if(data != null && data.getLogicalAddr() != null && data.getPhysicalAddr() != null) {
                cache.put(data.getLogicalAddr(), (PhysicalAddress)data.getPhysicalAddr());
                if(data.getLogicalName() != null && UUID.get(data.getLogicalAddr()) == null)
                    UUID.add(data.getLogicalAddr(), data.getLogicalName());
            }
        }
    }
}
 

import org.jgroups.util.UUID; //导入方法依赖的package包/类
protected boolean addDiscoveryResponseToCaches(Address mbr, String logical_name, PhysicalAddress physical_addr) {
    if(mbr == null)
        return false;
    if(logical_name != null)
        UUID.add(mbr, logical_name);
    if(physical_addr != null)
        return (Boolean)down(new Event(Event.SET_PHYSICAL_ADDRESS, new Tuple<>(mbr, physical_addr)));
    return false;
}
 

import org.jgroups.util.UUID; //导入方法依赖的package包/类
@ManagedAttribute(writable=true, description="The logical name of this channel. Stays with the channel until " +
        "the channel is closed")
public void setName(String name) {
    if(name != null) {
        if(isConnected())
            throw new IllegalStateException("name cannot be set if channel is connected (should be done before)");
        this.name=name;
        if(local_addr != null)
            UUID.add(local_addr, this.name);
    }
}
 

import org.jgroups.util.UUID; //导入方法依赖的package包/类
public static void testGossipData() throws Exception {
    GossipData data;
    final Address own=org.jgroups.util.UUID.randomUUID();
    final Address coord=org.jgroups.util.UUID.randomUUID();
    UUID.add(own, "own");
    UUID.add(coord, "coord");

    final PhysicalAddress physical_addr_1=new IpAddress("127.0.0.1", 7500);

    _testSize(new GossipData());

    data=new GossipData((byte)1);
    _testSize(data);

    data=new GossipData((byte)1, "DemoCluster", own, (List<Address>)null, (PhysicalAddress)null);
    _testSize(data);

    data=new GossipData((byte)1, "DemoCluster", own, Arrays.asList(own, coord), (PhysicalAddress)null);
    _testSize(data);

    data=new GossipData((byte)1, "DemoCluster", own, Arrays.asList(own, coord), physical_addr_1);
    _testSize(data);

    data=new GossipData((byte)1, "demo", own, "logical_name", (PhysicalAddress)null);
    _testSize(data);

    data=new GossipData((byte)1, "demo", own, new byte[]{'b', 'e', 'l', 'a'});
    _testSize(data);

    byte[] buffer=new byte[10];
    buffer[2]='B';
    buffer[3]='e';
    buffer[4]='l';
    buffer[5]='a';
    data=new GossipData((byte)1, "demo", own, buffer, 2, 4);
    _testSize(data);
}
 

import org.jgroups.util.UUID; //导入方法依赖的package包/类
public static CanBeSiteMaster randomUUID(String logical_name, boolean can_become_site_master) {
    CanBeSiteMaster retval=new CanBeSiteMaster(generateRandomBytes(), can_become_site_master);
    UUID.add(retval, logical_name);
    return retval;
}