Java VirtualMachineDescriptor.id方法代碼示例

import com.sun.tools.attach.VirtualMachineDescriptor; //導入方法依賴的package包/類
private static String getMainClass(VirtualMachineDescriptor vmd)
        throws URISyntaxException, MonitorException {
    try {
        String mainClass = null;
        VmIdentifier vmId = new VmIdentifier(vmd.id());
        MonitoredHost monitoredHost = MonitoredHost.getMonitoredHost(vmId);
        MonitoredVm monitoredVm = monitoredHost.getMonitoredVm(vmId, -1);
        mainClass = MonitoredVmUtil.mainClass(monitoredVm, true);
        monitoredHost.detach(monitoredVm);
        return mainClass;
    } catch(NullPointerException e) {
        // There is a potential race, where a running java app is being
        // queried, unfortunately the java app has shutdown after this
        // method is started but before getMonitoredVM is called.
        // If this is the case, then the /tmp/hsperfdata_xxx/pid file
        // will have disappeared and we will get a NullPointerException.
        // Handle this gracefully....
        return null;
    }
}
 

import com.sun.tools.attach.VirtualMachineDescriptor; //導入方法依賴的package包/類
/**
 * 獲取指定服務名的本地JMX VM 描述對象
 * @param serverName
 * @return
 */
public static List<VirtualMachineDescriptor> getVmDescByServerName(String serverName){
    List<VirtualMachineDescriptor> vmDescList = new ArrayList<>();
    if (StringUtils.isEmpty(serverName)){
        return vmDescList;
    }
    List<VirtualMachineDescriptor> vms = VirtualMachine.list();
    for (VirtualMachineDescriptor desc : vms) {
        //java -jar 形式啟動的Java應用
        if(desc.displayName().matches(".*\\.jar(\\s*-*.*)*") && desc.displayName().contains(serverName)){
            vmDescList.add(desc);
        }else if(hasContainsServerName(desc.displayName(),serverName)){
            vmDescList.add(desc);
        }else if (isJSVC(desc.id(),serverName)){
            VirtualMachineDescriptor descriptor = new VirtualMachineDescriptor(desc.provider(),desc.id(),serverName);
            vmDescList.add(descriptor);
        }
    }
    return vmDescList;
}
 

import com.sun.tools.attach.VirtualMachineDescriptor; //導入方法依賴的package包/類
public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)
    throws AttachNotSupportedException, IOException
{
    if (vmd.provider() != this) {
        throw new AttachNotSupportedException("provider mismatch");
    }
    // To avoid re-checking if the VM if attachable, we check if the descriptor
    // is for a hotspot VM - these descriptors are created by the listVirtualMachines
    // implementation which only returns a list of attachable VMs.
    if (vmd instanceof HotSpotVirtualMachineDescriptor) {
        assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();
        checkAttachPermission();
        return new SolarisVirtualMachine(this, vmd.id());
    } else {
        return attachVirtualMachine(vmd.id());
    }
}
 

import com.sun.tools.attach.VirtualMachineDescriptor; //導入方法依賴的package包/類
public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)
    throws AttachNotSupportedException, IOException
{
    if (vmd.provider() != this) {
        throw new AttachNotSupportedException("provider mismatch");
    }
    // To avoid re-checking if the VM if attachable, we check if the descriptor
    // is for a hotspot VM - these descriptors are created by the listVirtualMachines
    // implementation which only returns a list of attachable VMs.
    if (vmd instanceof HotSpotVirtualMachineDescriptor) {
        assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();
        checkAttachPermission();
        return new BsdVirtualMachine(this, vmd.id());
    } else {
        return attachVirtualMachine(vmd.id());
    }
}
 

import com.sun.tools.attach.VirtualMachineDescriptor; //導入方法依賴的package包/類
public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)
    throws AttachNotSupportedException, IOException
{
    if (vmd.provider() != this) {
        throw new AttachNotSupportedException("provider mismatch");
    }
    // To avoid re-checking if the VM if attachable, we check if the descriptor
    // is for a hotspot VM - these descriptors are created by the listVirtualMachines
    // implementation which only returns a list of attachable VMs.
    if (vmd instanceof HotSpotVirtualMachineDescriptor) {
        assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();
        checkAttachPermission();
        return new LinuxVirtualMachine(this, vmd.id());
    } else {
        return attachVirtualMachine(vmd.id());
    }
}
 

import com.sun.tools.attach.VirtualMachineDescriptor; //導入方法依賴的package包/類
public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)
    throws AttachNotSupportedException, IOException
{
    if (vmd.provider() != this) {
        throw new AttachNotSupportedException("provider mismatch");
    }
    // To avoid re-checking if the VM if attachable, we check if the descriptor
    // is for a hotspot VM - these descriptors are created by the listVirtualMachines
    // implementation which only returns a list of attachable VMs.
    if (vmd instanceof HotSpotVirtualMachineDescriptor) {
        assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();
        checkAttachPermission();
        return new AixVirtualMachine(this, vmd.id());
    } else {
        return attachVirtualMachine(vmd.id());
    }
}
 

import com.sun.tools.attach.VirtualMachineDescriptor; //導入方法依賴的package包/類
public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)
    throws AttachNotSupportedException, IOException
{
    if (vmd.provider() != this) {
        throw new AttachNotSupportedException("provider mismatch");
    }
    // To avoid re-checking if the VM if attachable, we check if the descriptor
    // is for a hotspot VM - these descriptors are created by the listVirtualMachines
    // implementation which only returns a list of attachable VMs.
    if (vmd instanceof HotSpotVirtualMachineDescriptor) {
        assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();
        checkAttachPermission();
        return new VirtualMachineImpl(this, vmd.id());
    } else {
        return attachVirtualMachine(vmd.id());
    }
}
 

import com.sun.tools.attach.VirtualMachineDescriptor; //導入方法依賴的package包/類
private static boolean check(VirtualMachineDescriptor vmd, String excludeClass, String partialMatch) {
    String mainClass = null;
    try {
        VmIdentifier vmId = new VmIdentifier(vmd.id());
        MonitoredHost monitoredHost = MonitoredHost.getMonitoredHost(vmId);
        MonitoredVm monitoredVm = monitoredHost.getMonitoredVm(vmId, -1);
        mainClass = MonitoredVmUtil.mainClass(monitoredVm, true);
        monitoredHost.detach(monitoredVm);
    } catch (NullPointerException npe) {
        // There is a potential race, where a running java app is being
        // queried, unfortunately the java app has shutdown after this
        // method is started but before getMonitoredVM is called.
        // If this is the case, then the /tmp/hsperfdata_xxx/pid file
        // will have disappeared and we will get a NullPointerException.
        // Handle this gracefully....
        return false;
    } catch (MonitorException | URISyntaxException e) {
        return false;
    }

    if (excludeClass != null && mainClass.equals(excludeClass)) {
        return false;
    }

    if (partialMatch != null && mainClass.indexOf(partialMatch) == -1) {
        return false;
    }

    return true;
}
 

import com.sun.tools.attach.VirtualMachineDescriptor; //導入方法依賴的package包/類
private boolean check(VirtualMachineDescriptor vmd) {
    String mainClass = null;
    try {
        VmIdentifier vmId = new VmIdentifier(vmd.id());
        MonitoredHost monitoredHost = MonitoredHost.getMonitoredHost(vmId);
        MonitoredVm monitoredVm = monitoredHost.getMonitoredVm(vmId, -1);
        mainClass = MonitoredVmUtil.mainClass(monitoredVm, true);
        monitoredHost.detach(monitoredVm);
    } catch (NullPointerException npe) {
        // There is a potential race, where a running java app is being
        // queried, unfortunately the java app has shutdown after this
        // method is started but before getMonitoredVM is called.
        // If this is the case, then the /tmp/hsperfdata_xxx/pid file
        // will have disappeared and we will get a NullPointerException.
        // Handle this gracefully....
        return false;
    } catch (MonitorException | URISyntaxException e) {
        if (e.getMessage() != null) {
            System.err.println(e.getMessage());
        } else {
            Throwable cause = e.getCause();
            if ((cause != null) && (cause.getMessage() != null)) {
                System.err.println(cause.getMessage());
            } else {
                e.printStackTrace();
            }
        }
        return false;
    }

    if (mainClass.equals(excludeCls)) {
        return false;
    }

    if (matchAll || mainClass.indexOf(matchClass) != -1) {
        return true;
    }

    return false;
}