Example usage for org.jfree.data DefaultKeyedValues DefaultKeyedValues

Introduction

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

Prototype

public DefaultKeyedValues() 

Source Link

Document

Creates a new collection (initially empty).

Usage

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

/**
 * Some checks for the insertValue() method.
 *///from   www. j av a  2 s  . c o m
@Test
public void testInsertValue() {
    DefaultKeyedValues v1 = new DefaultKeyedValues();
    v1.insertValue(0, "A", 1.0);
    assertEquals(new Double(1.0), v1.getValue(0));
    v1.insertValue(0, "B", 2.0);
    assertEquals(new Double(2.0), v1.getValue(0));
    assertEquals(new Double(1.0), v1.getValue(1));

    // it's OK to use an index equal to the size of the list
    v1.insertValue(2, "C", 3.0);
    assertEquals(new Double(2.0), v1.getValue(0));
    assertEquals(new Double(1.0), v1.getValue(1));
    assertEquals(new Double(3.0), v1.getValue(2));

    // try replacing an existing value
    v1.insertValue(2, "B", 4.0);
    assertEquals(new Double(1.0), v1.getValue(0));
    assertEquals(new Double(3.0), v1.getValue(1));
    assertEquals(new Double(4.0), v1.getValue(2));
}

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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 ava2s.  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>/*from  w  w  w. j a v  a2  s.c  o  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;
}

---

From source file:org.jfree.data.junit.DefaultKeyedValuesTest.java

/**
 * Some checks for the insertValue() method.
 *///w  w w.ja  v  a2 s .  com
public void testInsertValue() {
    DefaultKeyedValues v1 = new DefaultKeyedValues();
    v1.insertValue(0, "A", 1.0);
    assertEquals(new Double(1.0), v1.getValue(0));
    v1.insertValue(0, "B", 2.0);
    assertEquals(new Double(2.0), v1.getValue(0));
    assertEquals(new Double(1.0), v1.getValue(1));

    // it's OK to use an index equal to the size of the list
    v1.insertValue(2, "C", 3.0);
    assertEquals(new Double(2.0), v1.getValue(0));
    assertEquals(new Double(1.0), v1.getValue(1));
    assertEquals(new Double(3.0), v1.getValue(2));

    // try replacing an existing value
    v1.insertValue(2, "B", 4.0);
    assertEquals(new Double(1.0), v1.getValue(0));
    assertEquals(new Double(3.0), v1.getValue(1));
    assertEquals(new Double(4.0), v1.getValue(2));
}

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

/**
 * Some checks for the clone() method.//ww  w.jav  a2  s.  c o  m
 */
@Test
public void testCloning() throws CloneNotSupportedException {
    DefaultKeyedValues v1 = new DefaultKeyedValues();
    v1.addValue("V1", new Integer(1));
    v1.addValue("V2", null);
    v1.addValue("V3", new Integer(3));
    DefaultKeyedValues v2 = (DefaultKeyedValues) v1.clone();
    assertTrue(v1 != v2);
    assertTrue(v1.getClass() == v2.getClass());
    assertTrue(v1.equals(v2));

    // confirm that the clone is independent of the original
    v2.setValue("V1", new Integer(44));
    assertFalse(v1.equals(v2));
}

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From source file:org.jfree.data.junit.DefaultKeyedValuesTests.java

/**
 * Some checks for the clone() method.//from   w ww. j  a  v  a 2  s .  c om
 */
public void testCloning() {
    DefaultKeyedValues v1 = new DefaultKeyedValues();
    v1.addValue("V1", new Integer(1));
    v1.addValue("V2", null);
    v1.addValue("V3", new Integer(3));
    DefaultKeyedValues v2 = null;
    try {
        v2 = (DefaultKeyedValues) v1.clone();
    } catch (CloneNotSupportedException e) {
        e.printStackTrace();
    }
    assertTrue(v1 != v2);
    assertTrue(v1.getClass() == v2.getClass());
    assertTrue(v1.equals(v2));

    // confirm that the clone is independent of the original
    v2.setValue("V1", new Integer(44));
    assertFalse(v1.equals(v2));
}

---

From source file:org.jfree.data.junit.DefaultKeyedValuesTest.java

/**
 * Some checks for the clone() method./*ww  w. ja v  a 2  s.  co  m*/
 */
public void testCloning() {
    DefaultKeyedValues v1 = new DefaultKeyedValues();
    v1.addValue("V1", new Integer(1));
    v1.addValue("V2", null);
    v1.addValue("V3", new Integer(3));
    DefaultKeyedValues v2 = null;
    try {
        v2 = (DefaultKeyedValues) v1.clone();
    } catch (CloneNotSupportedException e) {
        System.err.println("Failed to clone.");
    }
    assertTrue(v1 != v2);
    assertTrue(v1.getClass() == v2.getClass());
    assertTrue(v1.equals(v2));

    // confirm that the clone is independent of the original
    v2.setValue("V1", new Integer(44));
    assertFalse(v1.equals(v2));
}

---

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

/**
 * Check that inserting and retrieving values works as expected.
 *//*from   w w w  .ja v a 2 s. c om*/
@Test
public void testInsertAndRetrieve() {

    DefaultKeyedValues data = new DefaultKeyedValues();
    data.addValue("A", new Double(1.0));
    data.addValue("B", new Double(2.0));
    data.addValue("C", new Double(3.0));
    data.addValue("D", null);

    // check key order
    assertEquals(data.getKey(0), "A");
    assertEquals(data.getKey(1), "B");
    assertEquals(data.getKey(2), "C");
    assertEquals(data.getKey(3), "D");

    // check retrieve value by key
    assertEquals(data.getValue("A"), new Double(1.0));
    assertEquals(data.getValue("B"), new Double(2.0));
    assertEquals(data.getValue("C"), new Double(3.0));
    assertEquals(data.getValue("D"), null);

    // check retrieve value by index
    assertEquals(data.getValue(0), new Double(1.0));
    assertEquals(data.getValue(1), new Double(2.0));
    assertEquals(data.getValue(2), new Double(3.0));
    assertEquals(data.getValue(3), null);

}

---

From source file:org.jfree.data.junit.DefaultKeyedValuesTests.java

/**
 * Check that inserting and retrieving values works as expected.
 *///from ww w  . j av a  2 s.c  om
public void testInsertAndRetrieve() {
    DefaultKeyedValues data = new DefaultKeyedValues();
    data.addValue("A", new Double(1.0));
    data.addValue("B", new Double(2.0));
    data.addValue("C", new Double(3.0));
    data.addValue("D", null);

    // check key order
    assertEquals(data.getKey(0), "A");
    assertEquals(data.getKey(1), "B");
    assertEquals(data.getKey(2), "C");
    assertEquals(data.getKey(3), "D");

    // check retrieve value by key
    assertEquals(data.getValue("A"), new Double(1.0));
    assertEquals(data.getValue("B"), new Double(2.0));
    assertEquals(data.getValue("C"), new Double(3.0));
    assertEquals(data.getValue("D"), null);

    // check retrieve value by index
    assertEquals(data.getValue(0), new Double(1.0));
    assertEquals(data.getValue(1), new Double(2.0));
    assertEquals(data.getValue(2), new Double(3.0));
    assertEquals(data.getValue(3), null);
}

---

From source file:org.jfree.data.junit.DefaultKeyedValuesTest.java

/**
 * Check that inserting and retrieving values works as expected.
 *//*from   w  ww .  ja va 2 s. c  om*/
public void testInsertAndRetrieve() {

    DefaultKeyedValues data = new DefaultKeyedValues();
    data.addValue("A", new Double(1.0));
    data.addValue("B", new Double(2.0));
    data.addValue("C", new Double(3.0));
    data.addValue("D", null);

    // check key order
    assertEquals(data.getKey(0), "A");
    assertEquals(data.getKey(1), "B");
    assertEquals(data.getKey(2), "C");
    assertEquals(data.getKey(3), "D");

    // check retrieve value by key
    assertEquals(data.getValue("A"), new Double(1.0));
    assertEquals(data.getValue("B"), new Double(2.0));
    assertEquals(data.getValue("C"), new Double(3.0));
    assertEquals(data.getValue("D"), null);

    // check retrieve value by index
    assertEquals(data.getValue(0), new Double(1.0));
    assertEquals(data.getValue(1), new Double(2.0));
    assertEquals(data.getValue(2), new Double(3.0));
    assertEquals(data.getValue(3), null);

}

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