Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
gate.Progress Maven / Gradle / Ivy
package gate;
import gate.lang.json.JsonElement;
import gate.lang.json.JsonObject;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicInteger;
import javax.websocket.CloseReason;
import javax.websocket.Session;
import org.slf4j.LoggerFactory;
public class Progress
{
private static final int UNKNOWN = -1;
private static final AtomicInteger SEQUENCE = new AtomicInteger();
private static final ThreadLocal CURRENT = new ThreadLocal<>();
static final ConcurrentMap INSTANCES = new ConcurrentHashMap<>();
private String url;
private JsonElement data;
private long todo = UNKNOWN;
private long done = UNKNOWN;
private String text = "Aguarde";
private Status status = Status.CREATED;
private final List messages = new ArrayList<>();
private final int process = SEQUENCE.incrementAndGet();
private final List sessions = new CopyOnWriteArrayList<>();
public enum Status
{
CREATED, PENDING, COMMITED, CANCELED
}
Progress()
{
}
int getProcess()
{
return process;
}
public void add(Session session)
{
messages.forEach(session.getAsyncRemote()::sendText);
session.getAsyncRemote().sendText(toString());
if (url != null)
session.getAsyncRemote()
.sendText(new JsonObject()
.setString("event", "Redirect")
.setString("url", url).toString());
sessions.add(session);
}
public void rem(Session session)
{
sessions.remove(session);
}
public void update(Status status, long todo,
long done, String text, JsonElement data)
{
messages.add(toString());
this.todo = todo;
this.done = done;
this.text = text;
this.status = status;
this.data = data;
}
public void update(Status status, long todo, long done, String text)
{
update(status, todo, done, text, null);
}
public void dispatch(String event)
{
sessions.forEach(e -> e.getAsyncRemote().sendText(event));
}
@Override
public String toString()
{
return new JsonObject()
.setLong("todo", todo)
.setLong("done", done)
.setString("text", text)
.setInt("process", process)
.setString("event", "Progress")
.setString("status", status.name())
.set("data", data)
.toString();
}
static Progress create()
{
Progress progress = new Progress();
CURRENT.set(progress);
INSTANCES.put(progress.getProcess(), progress);
return progress;
}
/**
* Initiates a new of task indeterminate size
*
* @param text description of the task being initiated
*/
public static void startup(String text)
{
Objects.requireNonNull(text);
Progress progress = CURRENT.get();
if (progress != null)
{
if (Status.COMMITED.equals(progress.status)
|| Status.CANCELED.equals(progress.status))
throw new IllegalStateException("Attempt to startup finished task");
progress.update(Status.PENDING, UNKNOWN, 0, text);
progress.dispatch(progress.toString());
}
}
/**
* Initiates a new of task
*
* @param todo size of the task being initiated
* @param text description of the task being initiated
*/
public static void startup(long todo, String text)
{
Objects.requireNonNull(text);
Progress progress = CURRENT.get();
if (progress != null)
{
if (Status.COMMITED.equals(progress.status)
|| Status.CANCELED.equals(progress.status))
throw new IllegalStateException("Attempt to startup finished task");
progress.update(Status.PENDING, todo, 0, text);
progress.dispatch(progress.toString());
}
}
/**
* Increments the progress of the current task.
*/
public static void update()
{
Progress progress = CURRENT.get();
if (progress != null)
{
if (!Status.PENDING.equals(progress.status))
throw new IllegalStateException("Attempt to update non pending task");
progress.update(progress.status, progress.todo, progress.done + 1, progress.text);
progress.dispatch(progress.toString());
}
}
/**
* Display a message without updating progress.
*
* @param message message to be displayed
*/
public static void message(String message)
{
Progress progress = CURRENT.get();
if (progress != null)
{
progress.update(progress.status, progress.todo, progress.done, message);
progress.dispatch(progress.toString());
}
}
/**
* Increments the progress of the current task.
*
* @param step number of records to be processed before each notification
*/
public static void updateForEach(int step)
{
Progress progress = CURRENT.get();
if (progress != null)
{
if (!Status.PENDING.equals(progress.status))
throw new IllegalStateException("Attempt to update non pending task");
progress.update(progress.status, progress.todo, progress.done + 1, progress.text);
if (progress.done % step == 0)
progress.dispatch(progress.toString());
}
}
/**
* Increments the progress for each one percent.
*/
public static void updatePercentage()
{
Progress progress = CURRENT.get();
if (progress != null)
{
if (!Status.PENDING.equals(progress.status))
throw new IllegalStateException("Attempt to update non pending task");
progress.update(progress.status, progress.todo, progress.done + 1, progress.text);
if (progress.done % Math.max(Math.floorDiv(progress.todo, 100), 1) == 0)
progress.dispatch(progress.toString());
}
}
/**
* Updates the progress of the current task.
*
* @param done new progress of the current task
*/
public static void update(long done)
{
Progress progress = CURRENT.get();
if (progress != null)
{
if (!Status.PENDING.equals(progress.status))
throw new IllegalStateException("Attempt to update non pending task");
progress.update(progress.status, progress.todo, done, progress.text);
progress.dispatch(progress.toString());
}
}
/**
* Increments the progress of the current task.
*
* @param text description of the progress made
*/
public static void update(String text)
{
Progress progress = CURRENT.get();
if (progress != null)
{
if (!Status.PENDING.equals(progress.status))
throw new IllegalStateException("Attempt to update non pending task");
progress.update(progress.status, progress.todo, progress.done + 1, text);
progress.dispatch(progress.toString());
}
}
/**
* Increments the progress of the current task.
*
* @param done new progress of the current task
* @param text description of the progress made
*/
public static void update(long done, String text)
{
Progress progress = CURRENT.get();
if (progress != null)
{
if (!Status.PENDING.equals(progress.status))
throw new IllegalStateException("Attempt to update non pending task");
progress.update(progress.status, progress.todo, done, text);
progress.dispatch(progress.toString());
}
}
/**
* Conclude the task being executed
*
* @param text message indicating success
*/
public static void commit(String text)
{
Objects.requireNonNull(text);
Progress progress = CURRENT.get();
if (progress != null)
{
if (!Status.PENDING.equals(progress.status))
throw new IllegalStateException("Attempt to commit non pending task");
progress.update(Status.COMMITED, progress.todo, progress.done, text);
progress.dispatch(progress.toString());
}
}
/**
* Conclude the task being executed
*
* @param text message indicating success
* @param data result of the operation
*/
public static void commit(String text, JsonElement data)
{
Objects.requireNonNull(text);
Progress progress = CURRENT.get();
if (progress != null)
{
if (!Status.PENDING.equals(progress.status))
throw new IllegalStateException("Attempt to commit non pending task");
progress.update(Status.COMMITED, progress.todo, progress.done, text, data);
progress.dispatch(progress.toString());
}
}
/**
* Cancel the task being executed
*
* @param text reason for the cancellation
*/
public static void cancel(String text)
{
Objects.requireNonNull(text);
Progress progress = CURRENT.get();
if (progress != null)
{
progress.update(Status.CANCELED, progress.todo, progress.done, text);
progress.dispatch(progress.toString());
}
}
/**
* Obtains the the current task status.
*
* @return the current task status
*/
public static Status status()
{
Progress progress = CURRENT.get();
if (progress != null)
return progress.status;
return null;
}
/**
* Obtains the current task size.
*
* @return the current task size
*/
public static long todo()
{
Progress progress = CURRENT.get();
if (progress != null)
return progress.todo;
return -1;
}
/**
* Obtains the current task progress.
*
* @return the current task progress
*/
public static long done()
{
Progress progress = CURRENT.get();
if (progress != null)
return progress.done;
return -1;
}
/**
* Obtains the current task text.
*
* @return the current task text
*/
public static String text()
{
Progress progress = CURRENT.get();
if (progress != null)
return progress.text;
return null;
}
static void dispose()
{
Progress progress = CURRENT.get();
if (progress != null)
{
progress.sessions.forEach(session ->
{
try
{
session.close(new CloseReason(CloseReason.CloseCodes.NORMAL_CLOSURE,
"Tarefa inexistente"));
} catch (IOException ex)
{
LoggerFactory.getLogger(Progress.class).error(ex.getMessage(), ex);
}
});
Progress.CURRENT.set(null);
Progress.INSTANCES.remove(progress.getProcess(), progress);
}
}
static void redirect(String url)
{
Progress progress = CURRENT.get();
if (progress != null)
{
progress.url = url;
progress.dispatch(new JsonObject()
.setString("event", "Redirect")
.setString("url", url).toString());
}
}
public String getUrl()
{
return url;
}
}
