Example usage for org.jfree.data KeyedValues getValue

Introduction

In this page you can find the example usage for org.jfree.data KeyedValues getValue.

Prototype

public Number getValue(Comparable key);

Source Link

Document

Returns the value for a given key.

Usage

From source file:org.jfree.data.DataUtils.java

/**
 * Returns a {@link KeyedValues} instance that contains the cumulative
 * percentage values for the data in another {@link KeyedValues} instance.
 * <p>/*  w  w  w  .j a v a2s . c o m*/
 * The percentages are values between 0.0 and 1.0 (where 1.0 = 100%).
 *
 * @param data  the data ({@code null} not permitted).
 *
 * @return The cumulative percentages.
 */
public static KeyedValues getCumulativePercentages(KeyedValues data) {
    Args.nullNotPermitted(data, "data");
    DefaultKeyedValues result = new DefaultKeyedValues();
    double total = 0.0;
    for (int i = 0; i < data.getItemCount(); i++) {
        Number v = data.getValue(i);
        if (v != null) {
            total = total + v.doubleValue();
        }
    }
    double runningTotal = 0.0;
    for (int i = 0; i < data.getItemCount(); i++) {
        Number v = data.getValue(i);
        if (v != null) {
            runningTotal = runningTotal + v.doubleValue();
        }
        result.addValue(data.getKey(i), new Double(runningTotal / total));
    }
    return result;
}

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From source file:org.jfree.data.DataUtilities.java

/**
 * Returns a {@link KeyedValues} instance that contains the cumulative
 * percentage values for the data in another {@link KeyedValues} instance.
 * <p>//  w ww.j  av  a  2  s. co  m
 * The percentages are values between 0.0 and 1.0 (where 1.0 = 100%).
 *
 * @param data  the data (<code>null</code> not permitted).
 *
 * @return The cumulative percentages.
 */
public static KeyedValues getCumulativePercentages(KeyedValues data) {
    ParamChecks.nullNotPermitted(data, "data");
    DefaultKeyedValues result = new DefaultKeyedValues();
    double total = 0.0;
    for (int i = 0; i < data.getItemCount(); i++) {
        Number v = data.getValue(i);
        if (v != null) {
            total = total + v.doubleValue();
        }
    }
    double runningTotal = 0.0;
    for (int i = 0; i < data.getItemCount(); i++) {
        Number v = data.getValue(i);
        if (v != null) {
            runningTotal = runningTotal + v.doubleValue();
        }
        result.addValue(data.getKey(i), new Double(runningTotal / total));
    }
    return result;
}

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From source file:org.jfree.data.general.DefaultPieDataset.java

/**
 * Creates a new dataset by copying data from a {@link KeyedValues}
 * instance./*from   w  w  w .jav a  2  s. co m*/
 *
 * @param data  the data (<code>null</code> not permitted).
 */
public DefaultPieDataset(KeyedValues data) {
    ParamChecks.nullNotPermitted(data, "data");
    this.data = new DefaultKeyedValues();
    for (int i = 0; i < data.getItemCount(); i++) {
        this.data.addValue(data.getKey(i), data.getValue(i));
    }
}

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From source file:org.jfree.data.pie.DefaultPieDataset.java

/**
 * Creates a new dataset by copying data from a {@link KeyedValues}
 * instance./*from  w ww  . j  a  v  a2 s  .  com*/
 *
 * @param data  the data (<code>null</code> not permitted).
 */
public DefaultPieDataset(KeyedValues data) {
    if (data == null) {
        throw new IllegalArgumentException("Null 'data' argument.");
    }
    this.data = new KeyedObjects();
    for (int i = 0; i < data.getItemCount(); i++) {
        SelectableValue dataItem = new SelectableValue(data.getValue(i));
        this.data.addObject(data.getKey(i), dataItem);
    }
}

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From source file:org.jfree.data.DefaultKeyedValues.java

/**
 * Tests if this object is equal to another.
 *
 * @param obj  the object (<code>null</code> permitted).
 *
 * @return A boolean.//from   w  w  w. ja  v a 2 s . c  o m
 */
@Override
public boolean equals(Object obj) {
    if (obj == this) {
        return true;
    }

    if (!(obj instanceof KeyedValues)) {
        return false;
    }

    KeyedValues that = (KeyedValues) obj;
    int count = getItemCount();
    if (count != that.getItemCount()) {
        return false;
    }

    for (int i = 0; i < count; i++) {
        Comparable k1 = getKey(i);
        Comparable k2 = that.getKey(i);
        if (!k1.equals(k2)) {
            return false;
        }
        Number v1 = getValue(i);
        Number v2 = that.getValue(i);
        if (v1 == null) {
            if (v2 != null) {
                return false;
            }
        } else {
            if (!v1.equals(v2)) {
                return false;
            }
        }
    }
    return true;
}

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From source file:org.jfree.data.general.DatasetUtils.java

/**
 * Creates a {@link CategoryDataset} by copying the data from the supplied
 * {@link KeyedValues} instance./*  w  ww.  j  a  v a  2 s. co  m*/
 *
 * @param rowKey  the row key ({@code null} not permitted).
 * @param rowData  the row data ({@code null} not permitted).
 *
 * @return A dataset.
 */
public static CategoryDataset createCategoryDataset(Comparable rowKey, KeyedValues rowData) {

    Args.nullNotPermitted(rowKey, "rowKey");
    Args.nullNotPermitted(rowData, "rowData");
    DefaultCategoryDataset result = new DefaultCategoryDataset();
    for (int i = 0; i < rowData.getItemCount(); i++) {
        result.addValue(rowData.getValue(i), rowKey, rowData.getKey(i));
    }
    return result;

}

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From source file:org.jfree.data.general.DatasetUtilities.java

/**
 * Creates a {@link CategoryDataset} by copying the data from the supplied
 * {@link KeyedValues} instance.//w  w  w.  j ava2 s .co m
 *
 * @param rowKey  the row key (<code>null</code> not permitted).
 * @param rowData  the row data (<code>null</code> not permitted).
 *
 * @return A dataset.
 */
public static CategoryDataset createCategoryDataset(Comparable rowKey, KeyedValues rowData) {

    ParamChecks.nullNotPermitted(rowKey, "rowKey");
    ParamChecks.nullNotPermitted(rowData, "rowData");
    DefaultCategoryDataset result = new DefaultCategoryDataset();
    for (int i = 0; i < rowData.getItemCount(); i++) {
        result.addValue(rowData.getValue(i), rowKey, rowData.getKey(i));
    }
    return result;

}

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