Example usage for java.util Formatter Formatter

Introduction

In this page you can find the example usage for java.util Formatter Formatter.

Prototype

public Formatter(OutputStream os) 

Source Link

Document

Constructs a new formatter with the specified output stream.

Usage

From source file:com.itemanalysis.psychometrics.rasch.JMLE.java

/**
 * Publishes global iteration information in the jmetrik log.
 *//*  w  ww  . j a  va2s  .c om*/
public String printIterationSummary() {
    StringBuilder sb = new StringBuilder();
    Formatter f = new Formatter(sb);
    int iter = 1;

    f.format("%-35s", "RASCH ANALYSIS ITERATION SUMMARY");
    f.format("%n");
    f.format("%10s", "Iteration");
    f.format("%5s", "");
    f.format("%10s", "Max Change");
    f.format("%n");
    f.format("%-35s", "===================================");
    f.format("%n");

    for (Double d : iterationDelta) {
        f.format("%10d", iter);
        f.format("%5s", "");
        f.format("%10.6f", d);
        f.format("%n");
        iter++;
    }

    if (extremeIterationDelta.size() > 0) {
        iter = 0;

        f.format("%n");
        f.format("%n");
        f.format("%-35s", "EXTREME ITEM/PERSON ITERATION SUMMARY");
        f.format("%n");
        f.format("%10s", "Iteration");
        f.format("%5s", "");
        f.format("%10s", "Max Change");
        f.format("%n");
        f.format("%-35s", "===================================");
        f.format("%n");

        for (Double d : extremeIterationDelta) {
            f.format("%10d", iter);
            f.format("%5s", "");
            f.format("%10.6f", d);
            f.format("%n");
            iter++;
        }
    }

    return f.toString();
}

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From source file:net.sourceforge.msscodefactory.cfasterisk.v2_1.CFAstSybase.CFAstSybaseSchema.java

public static String getQuotedTimestampString(Calendar val) {
    if (val == null) {
        return ("null");
    } else {/*  ww w. j  a v  a2 s  . c  o  m*/
        StringBuffer buff = new StringBuffer("'");
        Formatter fmt = new Formatter(buff);
        fmt.format("%1$04d", val.get(Calendar.YEAR));
        buff.append("-");
        fmt.format("%1$02d", val.get(Calendar.MONTH) + 1);
        buff.append("-");
        fmt.format("%1$02d", val.get(Calendar.DAY_OF_MONTH));
        buff.append("T");
        fmt.format("%1$02d", val.get(Calendar.HOUR_OF_DAY));
        buff.append(":");
        fmt.format("%1$02d", val.get(Calendar.MINUTE));
        buff.append(":");
        fmt.format("%1$02d", val.get(Calendar.SECOND));
        buff.append("'");
        fmt.close();
        return (buff.toString());
    }
}

---

From source file:net.sourceforge.msscodefactory.cfasterisk.v2_1.CFAstSybase.CFAstSybaseSchema.java

public static String getQuotedTZDateString(Calendar val) {
    if (val == null) {
        return ("null");
    } else {/*from w  w  w  . j  a  v a 2s .c  o  m*/
        Calendar cal;
        if (val.getTimeZone().equals(getServerTimeZone())) {
            cal = val;
        } else {
            cal = new GregorianCalendar(getServerTimeZone());
            cal.setTimeInMillis(val.getTimeInMillis());
        }
        StringBuffer buff = new StringBuffer("'");
        Formatter fmt = new Formatter(buff);
        fmt.format("%1$04d", cal.get(Calendar.YEAR));
        buff.append("-");
        fmt.format("%1$02d", cal.get(Calendar.MONTH) + 1);
        buff.append("-");
        fmt.format("%1$02d", cal.get(Calendar.DAY_OF_MONTH));
        buff.append("T");
        fmt.format("%1$02d", cal.get(Calendar.HOUR_OF_DAY));
        buff.append(":");
        fmt.format("%1$02d", cal.get(Calendar.MINUTE));
        buff.append(":");
        fmt.format("%1$02d", cal.get(Calendar.SECOND));
        buff.append("'");
        fmt.close();
        return (buff.toString());
    }
}

---

From source file:net.sourceforge.msscodefactory.cfasterisk.v2_1.CFAstSybase.CFAstSybaseSchema.java

public static String getQuotedTZTimeString(Calendar val) {
    if (val == null) {
        return ("null");
    } else {//from   ww  w .j a v  a2  s .  c  o m
        Calendar cal;
        if (val.getTimeZone().equals(getServerTimeZone())) {
            cal = val;
        } else {
            cal = new GregorianCalendar(getServerTimeZone());
            cal.setTimeInMillis(val.getTimeInMillis());
        }
        StringBuffer buff = new StringBuffer("'");
        Formatter fmt = new Formatter(buff);
        fmt.format("%1$04d", cal.get(Calendar.YEAR));
        buff.append("-");
        fmt.format("%1$02d", cal.get(Calendar.MONTH) + 1);
        buff.append("-");
        fmt.format("%1$02d", cal.get(Calendar.DAY_OF_MONTH));
        buff.append("T");
        fmt.format("%1$02d", cal.get(Calendar.HOUR_OF_DAY));
        buff.append(":");
        fmt.format("%1$02d", cal.get(Calendar.MINUTE));
        buff.append(":");
        fmt.format("%1$02d", cal.get(Calendar.SECOND));
        buff.append("'");
        fmt.close();
        return (buff.toString());
    }
}

---

From source file:net.sourceforge.msscodefactory.cfasterisk.v2_1.CFAstSybase.CFAstSybaseSchema.java

public static String getQuotedTZTimestampString(Calendar val) {
    if (val == null) {
        return ("null");
    } else {/*w ww.ja v a2s . c  o  m*/
        Calendar cal;
        if (val.getTimeZone().equals(getServerTimeZone())) {
            cal = val;
        } else {
            cal = new GregorianCalendar(getServerTimeZone());
            cal.setTimeInMillis(val.getTimeInMillis());
        }
        StringBuffer buff = new StringBuffer("'");
        Formatter fmt = new Formatter(buff);
        fmt.format("%1$04d", cal.get(Calendar.YEAR));
        buff.append("-");
        fmt.format("%1$02d", cal.get(Calendar.MONTH) + 1);
        buff.append("-");
        fmt.format("%1$02d", cal.get(Calendar.DAY_OF_MONTH));
        buff.append("T");
        fmt.format("%1$02d", cal.get(Calendar.HOUR_OF_DAY));
        buff.append(":");
        fmt.format("%1$02d", cal.get(Calendar.MINUTE));
        buff.append(":");
        fmt.format("%1$02d", cal.get(Calendar.SECOND));
        buff.append("'");
        fmt.close();
        return (buff.toString());
    }
}

---

From source file:org.apache.hadoop.hdfs.server.balancer.Balancer.java

/** main method of Balancer
 * @param args arguments to a Balancer/*from w ww  .j av a2 s . com*/
 * @exception any exception occurs during datanode balancing
 */
public int run(String[] args) throws Exception {
    long startTime = Util.now();
    OutputStream out = null;
    try {
        // initialize a balancer
        init(parseArgs(args));

        /* Check if there is another balancer running.
         * Exit if there is another one running.
         */
        out = checkAndMarkRunningBalancer();
        if (out == null) {
            System.out.println("Another balancer is running. Exiting...");
            return ALREADY_RUNNING;
        }

        Formatter formatter = new Formatter(System.out);
        System.out.println(
                "Time Stamp               Iteration#  Bytes Already Moved  Bytes Left To Move  Bytes Being Moved");
        int iterations = 0;
        while (true) {
            /* get all live datanodes of a cluster and their disk usage
             * decide the number of bytes need to be moved
             */
            long bytesLeftToMove = initNodes();
            if (bytesLeftToMove == 0) {
                System.out.println("The cluster is balanced. Exiting...");
                return SUCCESS;
            } else {
                LOG.info("Need to move " + StringUtils.byteDesc(bytesLeftToMove)
                        + " bytes to make the cluster balanced.");
            }

            /* Decide all the nodes that will participate in the block move and
             * the number of bytes that need to be moved from one node to another
             * in this iteration. Maximum bytes to be moved per node is
             * Min(1 Band worth of bytes,  MAX_SIZE_TO_MOVE).
             */
            long bytesToMove = chooseNodes();
            if (bytesToMove == 0) {
                System.out.println("No block can be moved. Exiting...");
                return NO_MOVE_BLOCK;
            } else {
                LOG.info("Will move " + StringUtils.byteDesc(bytesToMove) + "bytes in this iteration");
            }

            formatter.format("%-24s %10d  %19s  %18s  %17s\n",
                    DateFormat.getDateTimeInstance().format(new Date()), iterations,
                    StringUtils.byteDesc(bytesMoved.get()), StringUtils.byteDesc(bytesLeftToMove),
                    StringUtils.byteDesc(bytesToMove));

            /* For each pair of <source, target>, start a thread that repeatedly 
             * decide a block to be moved and its proxy source, 
             * then initiates the move until all bytes are moved or no more block
             * available to move.
             * Exit no byte has been moved for 5 consecutive iterations.
             */
            if (dispatchBlockMoves() > 0) {
                notChangedIterations = 0;
            } else {
                notChangedIterations++;
                if (notChangedIterations >= 5) {
                    System.out.println("No block has been moved for 5 iterations. Exiting...");
                    return NO_MOVE_PROGRESS;
                }
            }

            // clean all lists
            resetData();

            try {
                Thread.sleep(2 * conf.getLong("dfs.heartbeat.interval", 3));
            } catch (InterruptedException ignored) {
            }

            iterations++;
        }
    } catch (IllegalArgumentException ae) {
        return ILLEGAL_ARGS;
    } catch (IOException e) {
        System.out.println("Received an IO exception: " + e.getMessage() + " . Exiting...");
        return IO_EXCEPTION;
    } finally {
        // shutdown thread pools
        dispatcherExecutor.shutdownNow();
        moverExecutor.shutdownNow();

        shouldRun = false;
        try {
            if (keyupdaterthread != null)
                keyupdaterthread.interrupt();
        } catch (Exception e) {
            LOG.warn("Exception shutting down access key updater thread", e);
        }
        // close the output file
        IOUtils.closeStream(out);
        if (fs != null) {
            try {
                fs.delete(BALANCER_ID_PATH, true);
            } catch (IOException ignored) {
            }
        }
        System.out.println("Balancing took " + time2Str(Util.now() - startTime));
    }
}

---

From source file:net.sourceforge.msscodefactory.cfasterisk.v2_1.CFAstSybase.CFAstSybaseSchema.java

public static String getDateString(Calendar val) {
    if (val == null) {
        return ("null");
    } else {//from  w  w w .  j  a  v  a  2  s.  c om
        StringBuffer buff = new StringBuffer();
        Formatter fmt = new Formatter(buff);
        fmt.format("%1$04d", val.get(Calendar.YEAR));
        fmt.format("%1$02d", val.get(Calendar.MONTH) + 1);
        fmt.format("%1$02d", val.get(Calendar.DAY_OF_MONTH));
        fmt.close();
        return (buff.toString());
    }
}

---

From source file:net.sourceforge.msscodefactory.cfasterisk.v2_1.CFAstSybase.CFAstSybaseSchema.java

public static String getTimeString(Calendar val) {
    if (val == null) {
        return ("null");
    } else {//from  w w w  .j  av a  2  s.  co m
        StringBuffer buff = new StringBuffer();
        Formatter fmt = new Formatter(buff);
        fmt.format("%1$02d", val.get(Calendar.HOUR_OF_DAY));
        buff.append(":");
        fmt.format("%1$02d", val.get(Calendar.MINUTE));
        buff.append(":");
        fmt.format("%1$02d", val.get(Calendar.SECOND));
        fmt.close();
        return (buff.toString());
    }
}

---

From source file:net.sourceforge.msscodefactory.cfacc.v2_0.CFAccPgSql.CFAccPgSqlSchema.java

public static String getQuotedDateString(Calendar val) {
    if (val == null) {
        return ("null");
    } else {//w ww  . ja  va  2  s.c o  m
        StringBuffer buff = new StringBuffer("'");
        Formatter fmt = new Formatter(buff);
        fmt.format("%1$04d", val.get(Calendar.YEAR));
        buff.append("-");
        fmt.format("%1$02d", val.get(Calendar.MONTH) + 1);
        buff.append("-");
        fmt.format("%1$02d", val.get(Calendar.DAY_OF_MONTH));
        buff.append("'");
        fmt.close();
        return (buff.toString());
    }
}

---

From source file:net.sourceforge.msscodefactory.cfasterisk.v2_1.CFAstSybase.CFAstSybaseSchema.java

public static String getTimestampString(Calendar val) {
    if (val == null) {
        return ("null");
    } else {/*from  ww  w. j a v  a  2  s .co m*/
        StringBuffer buff = new StringBuffer();
        Formatter fmt = new Formatter(buff);
        fmt.format("%1$04d", val.get(Calendar.YEAR));
        buff.append("-");
        fmt.format("%1$02d", val.get(Calendar.MONTH) + 1);
        buff.append("-");
        fmt.format("%1$02d", val.get(Calendar.DAY_OF_MONTH));
        buff.append("T");
        fmt.format("%1$02d", val.get(Calendar.HOUR_OF_DAY));
        buff.append(":");
        fmt.format("%1$02d", val.get(Calendar.MINUTE));
        buff.append(":");
        fmt.format("%1$02d", val.get(Calendar.SECOND));
        fmt.close();
        return (buff.toString());
    }
}

---

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