Java Descriptor类代码示例

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("Show the contents of the log")
public List<String> log(
		//
		@Descriptor("Reverse the printout order to oldest is last") @Parameter(names = { "-r",
				"--reverse" }, absentValue = "true", presentValue = "false") boolean reverse, //
		@Descriptor("Skip the first entries") @Parameter(names = { "-s", "--skip" }, absentValue = "0") int skip, //
		@Descriptor("Maximum number of entries to print") @Parameter(names = { "-m",
				"--max" }, absentValue = "100") int maxEntries, //
		@Descriptor("Minimum level (error,warning,info,debug). Default is warning.") @Parameter(names = { "-l",
				"--level" }, absentValue = "warning") String level, //
		@Descriptor("Print style (classic,abbr)") @Parameter(names = { "-y",
				"--style" }, absentValue = "classic") String style, //
		@Descriptor("Do not print exceptions.") @Parameter(names = { "-n",
				"--noexceptions" }, absentValue = "false", presentValue = "true") boolean noExceptions //
) {
	return logTracker.log(maxEntries, skip, LogTracker.Level.valueOf(level), reverse, noExceptions,
			LogTracker.Style.valueOf(style));
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor ( "Remove storage by id" )
public void remove ( final String[] args )
{
    final String usage = "Usage: remove [--force] id1 [id2 [id3]]";
    if ( args.length <= 0 )
    {
        System.out.println ( usage );
        return;
    }

    boolean force = false;
    for ( final String id : args )
    {
        if ( "--force".equals ( id ) )
        {
            force = true;
        }
        else
        {
            System.out.println ( String.format ( "Removing storage '%s' ...", id ) );
            System.out.flush ();
            removeById ( id, force );
            System.out.println ( String.format ( "Removing storage '%s' ... done!", id ) );
        }
    }
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor ( "Show full factories information" )
public void showfactories ()
{
    final Factory[] factories = this.admin.getKnownFactories ();

    Arrays.sort ( factories, FACTORY_ID_COMPARATOR );

    final List<List<String>> data = new LinkedList<List<String>> ();
    for ( final Factory factory : factories )
    {
        final List<String> row = new LinkedList<String> ();

        row.add ( factory.getId () );
        row.add ( factory.getState ().toString () );
        row.add ( factory.getDescription () );

        data.add ( row );
    }

    Tables.showTable ( System.out, Arrays.asList ( "ID", "State", "Description" ), data, 2 );
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor ( "Show configuration" )
public void show ( @Descriptor ( "The factory id" )
final String factoryId, @Descriptor ( "The configuration id" )
final String configurationId)
{
    final Configuration cfg = this.admin.getConfiguration ( factoryId, configurationId );
    if ( cfg == null )
    {
        System.out.println ( String.format ( "Configuration %s/%s does not exists", factoryId, configurationId ) );
    }
    else
    {
        System.out.format ( "%s - %s - %s%n", cfg.getFactoryId (), cfg.getId (), cfg.getState () );
        for ( final Map.Entry<String, String> entry : cfg.getData ().entrySet () )
        {
            System.out.format ( "\t'%s' => '%s'%n", entry.getKey (), entry.getValue () );
        }
        if ( cfg.getErrorInformation () != null )
        {
            cfg.getErrorInformation ().printStackTrace ( System.out );
        }
    }
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor ( "List installed addons" )
public void list ()
{
    final List<Addon> result = this.addonManager.list ();

    final List<String> header = Arrays.asList ( "ID", "Name", "Version", "State", "Label", "Error" );
    final List<List<String>> data = new ArrayList<> ( result.size () );

    for ( final Addon addon : result )
    {
        final List<String> row = new ArrayList<> ( 6 );
        data.add ( row );

        row.add ( addon.getId () );
        row.add ( addon.getInformation ().getDescription ().getId () );
        row.add ( addon.getInformation ().getDescription ().getVersion ().toString () );
        row.add ( addon.getInformation ().getState ().toString () );
        row.add ( addon.getInformation ().getDescription ().getLabel () );
        if ( addon.getInformation ().getError () != null )
        {
            row.add ( ExceptionHelper.getMessage ( addon.getInformation ().getError () ).replace ( "\n", " " ).replace ( "\r", "" ) );
        }
    }

    Tables.showTable ( System.out, header, data, 2 );
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("Deploy a neural network on a runtime and load weights with specific tag.")
public void deploy(
		@Descriptor("name of the neural network")
		String name, 
		@Descriptor("uuid of the target runtime")
		String id, 
		@Descriptor("tag of the weights to load")
		String tag){
	NeuralNetworkInstanceDTO nn = deploy(name, UUID.fromString(id));
	
	// load parameters with tag
	loadParameters(nn, tag);
	
	// add updatelistener for tag
	addRepositoryListener(nn, tag);
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("Train a recurrent neural network using the Back Propagation Through Time Learning strategy")
public void bptt(String nnName, String dataset, String... properties){
	final Map<String, String> defaults = new HashMap<>();
	defaults.put("strategy", "be.iminds.iot.dianne.rnn.learn.strategy.BPTTLearningStrategy");
	Map<String, String> config = createConfig(defaults, properties);
	
	coordinator.learn(dataset, config, nnName.split(",")).then(p -> {
		System.out.println("Learn Job done!");
		LearnResult result = p.getValue();
		System.out.println("Iterations: "+result.getIterations());
		System.out.println("Last minibatch loss: "+result.getLoss());
		return null;
	}, p -> {
		System.out.println("Learn Job failed: "+p.getFailure().getMessage());
		p.getFailure().printStackTrace();
	});
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("Forward a dataset sample through a neural network instance.")
public void forward(
		@Descriptor("dataset name to fetch a sample from")
		String dataset, 
		@Descriptor("index of the neural network instance (from the list command output)")
		int index, 
		@Descriptor("index of dataset sample")
		int sample, 
		@Descriptor("(optional) tags to attach to the forward call ")
		String... tags){
	List<NeuralNetworkInstanceDTO> nns = platform.getNeuralNetworkInstances();
	if(index >= nns.size()){
		System.out.println("No neural network deployed with index "+index);
		return;
	}
	String id = nns.get(index).id.toString();
	
	forward(dataset, id, sample, tags);
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("Print out samples of the dataset")
public void sample(
		@Descriptor("dataset name to fetch a sample from")
		String dataset,
		@Descriptor("start index")
		int start,
		@Descriptor("end index")
		int end){ 
	
	Dataset d = datasets.getDataset(dataset);
	if(d==null){
		System.out.println("Dataset "+dataset+" not available");
		return;
	}
	for(int index=start;index<end;index++)
		System.out.println("["+index+"] "+d.getSample(index).toString());
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("Print out a batch of the dataset")
public void batch(
		@Descriptor("dataset name to fetch a sample from")
		String dataset,
		@Descriptor("start index")
		int start,
		@Descriptor("end index")
		int end){ 
	
	Dataset d = datasets.getDataset(dataset);
	if(d==null){
		System.out.println("Dataset "+dataset+" not available");
		return;
	}
	
	int[] indices = new int[end-start];
	for(int i=0;i<indices.length;i++) {
		indices[i] = start + i;
	}
	
	System.out.println(d.getBatch(indices));
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("Print out the number of sequences of the dataset")
public void sequences(
		@Descriptor("dataset get the number of sequences from")
		String dataset){ 
	
	Dataset d = datasets.getDataset(dataset);
	if(d==null){
		System.out.println("Dataset "+dataset+" not available");
		return;
	}
	if(!(d instanceof SequenceDataset)){
		System.out.println("Dataset "+dataset+" is not a sequence dataset");
		return;
	}
	
	System.out.println(((SequenceDataset<?, ?>)d).sequences());
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("Print out the classes and number of samples per class")
public void classes(
		@Descriptor("dataset get the classes from")
		String dataset){ 
	
	Dataset d = datasets.getDataset(dataset);
	if(d==null){
		System.out.println("Dataset "+dataset+" not available");
		return;
	}

	Tensor count = new Tensor(d.targetDims());
	count.fill(0.0f);
	int samples = d.size();
	for(int i=0;i<samples;i++){
		Sample s = d.getSample(i);
		count = TensorOps.add(count, count, s.target);
	}
	
	String[] labels = d.getLabels();
	if(labels!=null){
		System.out.println(Arrays.toString(labels));
	}
	
	System.out.println(Arrays.toString(count.get()));
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("Dump the content of an experience pool")
public void dump(
		@Descriptor("The experience pool to dump")
		String dataset){ 
	
	Dataset d = datasets.getDataset(dataset);
	if(d==null){
		System.out.println("Dataset "+dataset+" not available");
		return;
	}
	if(!datasets.isExperiencePool(dataset)){
		System.out.println("Dataset "+dataset+" is not an experience pool");
		return;
	}
	
	
	try {
		d.getClass().getMethod("dump").invoke(d);
	} catch(Throwable t){
		t.printStackTrace();
	}
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("Clear an experience pool")
public void clear(
		@Descriptor("The experience pool to dump")
		String dataset){ 
	
	Dataset d = datasets.getDataset(dataset);
	if(d==null){
		System.out.println("Dataset "+dataset+" not available");
		return;
	}
	if(!datasets.isExperiencePool(dataset)){
		System.out.println("Dataset "+dataset+" is not an experience pool");
		return;
	}
	
	
	try {
		d.getClass().getMethod("reset").invoke(d);
	} catch(Throwable t){
		t.printStackTrace();
	}
}
 

import org.apache.felix.service.command.Descriptor; //导入依赖的package包/类
@Descriptor("delete a Resource")
public void delete(@Descriptor("delete") String... handleId) throws ResourceNotFoundException, IllegalActionOnResourceException {
    String bufferOut = new String();
    try {
        String path;
        if (handleId.length == 0) {
            bufferOut = bufferOut + "Error : Must have at least 1 argument \n";
        } else {

            for (String current : handleId) {
                path = current;
                m_everestClient.delete(path);
                bufferOut = bufferOut + "Success : The resource at " + path + " have been destroy\n";
            }
        }
    } catch (Exception e) {
        System.out.println(bufferOut);
        e.printStackTrace();
        bufferOut = null;
    }

    System.out.println(bufferOut);


}