Example usage for java.lang Long signum

Introduction

In this page you can find the example usage for java.lang Long signum.

Prototype

public static int signum(long i) 

Source Link

Document

Returns the signum function of the specified long value.

Usage

From source file:Main.java

public static void main(String[] args) {
    System.out.println(Long.signum(-10));
}

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From source file:org.isoron.uhabits.models.Streak.java

public int compareLonger(Streak other) {
    if (this.getLength() != other.getLength())
        return Long.signum(this.getLength() - other.getLength());

    return Long.signum(this.getEnd() - other.getEnd());
}

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From source file:org.isoron.uhabits.models.Streak.java

public int compareNewer(Streak other) {
    return Long.signum(this.getEnd() - other.getEnd());
}

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From source file:org.ast.labs.calview.model.Checkmark.java

public int compareNewer(Checkmark other) {
    return Long.signum(this.getTimestamp() - other.getTimestamp());
}

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From source file:br.com.hslife.orcamento.entity.EntityPersistence.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result/*from   w  w w  .  ja v a2 s  . c  o m*/
            + Long.signum(getId() == null ? 0 : getId() ^ (getId() == null ? 1 : getId() >>> 32));
    return result;
}

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From source file:org.ast.labs.calview.model.Score.java

public int compareNewer(Score other) {
    return Long.signum(this.getTimestamp() - other.getTimestamp());
}

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From source file:org.waveprotocol.wave.examples.fedone.common.HashedVersion.java

/**
 * {@inheritDoc}//from www.jav  a  2  s .co m
 *
 * Lexicographic comparison of version and historyHash.
 */
@Override
public int compareTo(HashedVersion other) {
    return version != other.version ? Long.signum(version - other.version)
            : compare(historyHash, other.historyHash);
}

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From source file:org.dkpro.lab.storage.filesystem.FileSystemStorageService.java

@Override
public List<TaskContextMetadata> getContexts() {
    List<TaskContextMetadata> contexts = new ArrayList<TaskContextMetadata>();
    for (File child : storageRoot.listFiles()) {
        if (new File(child, METADATA_KEY).exists()) {
            contexts.add(retrieveBinary(child.getName(), METADATA_KEY, new TaskContextMetadata()));
        }//ww  w . ja v  a 2 s.  com
    }

    Collections.sort(contexts, new Comparator<TaskContextMetadata>() {
        @Override
        public int compare(TaskContextMetadata aO1, TaskContextMetadata aO2) {
            return Long.signum(aO2.getEnd() - aO1.getEnd());
        }
    });

    return contexts;
}

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From source file:ch.algotrader.accounting.PositionTrackerImpl.java

/**
 * processes a transaction on an existing position
 *
 * @return a pair containing the profit and profit percentage
 *///w  ww. j av a 2s  . co  m
@Override
public TradePerformanceVO processTransaction(Position position, Transaction transaction) {

    // get old values
    long oldQty = position.getQuantity();
    double oldCost = position.getCost().doubleValue();
    double oldRealizedPL = position.getRealizedPL().doubleValue();
    double oldAvgPrice = position.getAveragePriceDouble();

    // get transaction values
    long qty = transaction.getQuantity();
    double price = transaction.getPrice().doubleValue();
    double totalCharges = transaction.getTotalChargesDouble();
    double contractSize = transaction.getSecurity().getSecurityFamily().getContractSize();

    // calculate opening and closing quantity
    long closingQty = MathUtils.sign(oldQty) != MathUtils.sign(qty)
            ? Math.min(Math.abs(oldQty), Math.abs(qty)) * MathUtils.sign(qty)
            : 0;
    long openingQty = MathUtils.sign(oldQty) == MathUtils.sign(qty) ? qty : qty - closingQty;

    // calculate new values
    long newQty = oldQty + qty;
    double newCost = oldCost + openingQty * contractSize * price;
    double newRealizedPL = oldRealizedPL;

    // handle a previously non-closed position (aldAvgPrice is Double.NaN for a previously closed position)
    if (closingQty != 0) {
        newCost += closingQty * contractSize * oldAvgPrice;
        newRealizedPL += closingQty * contractSize * (oldAvgPrice - price);
    }

    // handle commissions
    if (openingQty != 0) {
        newCost += totalCharges * openingQty / qty;
    }

    if (closingQty != 0) {
        newRealizedPL -= totalCharges * closingQty / qty;
    }

    // calculate profit and profitPct
    TradePerformanceVO tradePerformance = null;
    if (Long.signum(position.getQuantity()) * Long.signum(transaction.getQuantity()) == -1) {

        double cost, value;
        if (Math.abs(transaction.getQuantity()) <= Math.abs(position.getQuantity())) {
            cost = position.getCost().doubleValue()
                    * Math.abs((double) transaction.getQuantity() / (double) position.getQuantity());
            value = transaction.getNetValueDouble();
        } else {
            cost = position.getCost().doubleValue();
            value = transaction.getNetValueDouble()
                    * Math.abs((double) position.getQuantity() / (double) transaction.getQuantity());
        }

        double profit = value - cost;
        double profitPct = Direction.LONG.equals(position.getDirection()) ? ((value - cost) / cost)
                : ((cost - value) / cost);

        tradePerformance = new TradePerformanceVO(profit, profitPct, profit > 0);
    }

    // set values
    position.setQuantity(newQty);
    position.setCost(RoundUtil.getBigDecimal(newCost));
    position.setRealizedPL(RoundUtil.getBigDecimal(newRealizedPL));

    return tradePerformance;
}

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From source file:org.trpr.platform.batch.impl.spring.admin.repository.MapJobInstanceDao.java

public List<JobInstance> getJobInstances(String jobName, int start, int count) {
    List<JobInstance> result = new ArrayList<JobInstance>();
    for (JobInstance instance : jobInstances) {
        if (instance.getJobName().equals(jobName)) {
            result.add(instance);/*from   w  w w  .  j a  v  a  2 s  .com*/
        }
    }
    Collections.sort(result, new Comparator<JobInstance>() {
        // sort by ID descending
        public int compare(JobInstance o1, JobInstance o2) {
            return Long.signum(o2.getId() - o1.getId());
        }
    });

    int startIndex = Math.min(start, result.size());
    int endIndex = Math.min(start + count, result.size());
    return result.subList(startIndex, endIndex);
}

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