Example usage for java.lang Comparable compareTo

Introduction

In this page you can find the example usage for java.lang Comparable compareTo.

Prototype

public int compareTo(T o);

Source Link

Document

Compares this object with the specified object for order.

Usage

From source file:de.tudarmstadt.ukp.csniper.webapp.statistics.SortableAggregatedEvaluationResultDataProvider.java

private void updateView() {
    final SortParam<String> sp = getSort();

    // filter/*from   w  w  w .  ja va  2  s.c om*/
    if (!sp.getProperty().equals(lastSortProperty) || (lastSortOrder != sp.isAscending()) || filterChanged) {
        limitedResults = new ArrayList<AggregatedEvaluationResult>();
        for (AggregatedEvaluationResult aer : aerList) {
            if (getFilters().contains(aer.getClassification())) {
                limitedResults.add(aer);
            }
        }
    }

    // sort
    Collections.sort(limitedResults, new Comparator<AggregatedEvaluationResult>() {
        @SuppressWarnings({ "rawtypes", "unchecked" })
        @Override
        public int compare(AggregatedEvaluationResult aO1, AggregatedEvaluationResult aO2) {
            try {
                Comparable v1 = (Comparable) PropertyUtils.getNestedProperty(aO1, sp.getProperty());
                Comparable v2 = (Comparable) PropertyUtils.getNestedProperty(aO2, sp.getProperty());

                return sp.isAscending() ? v1.compareTo(v2) : v2.compareTo(v1);
            } catch (Exception e) {
                throw new IllegalStateException(e);
            }
        }
    });

    lastSortProperty = sp.getProperty();
    lastSortOrder = sp.isAscending();
    filterChanged = false;
}

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From source file:com.quinsoft.zeidon.domains.AbstractDomain.java

@Override
public int compare(Task task, AttributeInstance attributeInstance, AttributeDef attributeDef,
        Object internalValue, Object externalValue) {
    try {/*from w w  w.  ja  v  a 2s  .co m*/
        Object value = convertExternalValue(task, attributeInstance, attributeDef, null, externalValue);
        Integer rc = compareNull(task, attributeDef, internalValue, value);
        if (rc != null)
            return rc;

        if (internalValue instanceof Comparable) {
            assert internalValue.getClass() == value.getClass();

            @SuppressWarnings("unchecked")
            Comparable<Object> c = (Comparable<Object>) internalValue;
            return c.compareTo(value);
        }

        DomainContext context = getContext(task, null); // Get the default context.
        return context.compare(task, internalValue, value);
    } catch (Throwable t) {
        throw ZeidonException.wrapException(t).prependAttributeDef(attributeDef);
    }
}

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From source file:org.kuali.coeus.common.budget.framework.query.operator.RelationalOperator.java

/**Compares this object with the specified object for order.
 *Returns a negative integer, zero, or a positive integer as this object
 *is less than, equal to, or greater than the specified object.
 *//*from  ww w.ja  va 2 s . co m*/
protected int compare(Object baseBean) {
    int compareValue = 0;

    if (dataClass == null || !dataClass.equals(baseBean.getClass())) {

        dataClass = baseBean.getClass();

        try {
            field = dataClass.getDeclaredField(fieldName);
            if (!field.isAccessible()) {
                throw new NoSuchFieldException();
            }
        } catch (NoSuchFieldException noSuchFieldException) {
            try {
                String methodName = "";

                if (isBoolean) {
                    methodName = "is" + (fieldName.charAt(0) + "").toUpperCase() + fieldName.substring(1);
                } else {
                    methodName = "get" + (fieldName.charAt(0) + "").toUpperCase() + fieldName.substring(1);
                }
                method = dataClass.getMethod(methodName, null);
            } catch (NoSuchMethodException noSuchMethodException) {
                LOG.error(noSuchMethodException.getMessage(), noSuchMethodException);
            }
        }
    } //End if field==null && method==null

    try {
        if (field != null && field.isAccessible()) {

            if (!isBoolean) {
                Comparable comparable = (Comparable) field.get(baseBean);
                if (comparable == null && fixedData == null) {
                    compareValue = 0;
                } else if (comparable == null) {
                    throw new UnsupportedOperationException();
                } else {
                    compareValue = comparable.compareTo(fixedData);
                }

            } else {
                if (((Boolean) field.get(baseBean)).booleanValue() == booleanFixedData)
                    compareValue = 0;
                else
                    compareValue = 1;
            }
        } else {
            if (!isBoolean) {
                Comparable comparable = (Comparable) method.invoke(baseBean, null);
                if (comparable == null && fixedData == null) {
                    compareValue = 0;
                } else if (comparable == null) {
                    throw new UnsupportedOperationException();
                } else if (comparable != null && fixedData == null) {
                    compareValue = -1;
                } else {
                    compareValue = comparable.compareTo(fixedData);
                }
            } else {
                Boolean booleanObj = (Boolean) method.invoke(baseBean, null);
                if (booleanObj == null) {
                    compareValue = -1;
                } else {
                    if (booleanObj.booleanValue() == booleanFixedData)
                        compareValue = 0;
                    else
                        compareValue = 1;
                }
            }
        }
    } catch (IllegalAccessException illegalAccessException) {
        LOG.error(illegalAccessException.getMessage(), illegalAccessException);
    } catch (InvocationTargetException invocationTargetException) {
        LOG.error(invocationTargetException.getMessage(), invocationTargetException);
    }
    return compareValue;
}

---

From source file:com.aurel.track.fieldType.runtime.base.CustomSelectComparable.java

@Override
public int compareTo(Object o) {
    CustomSelectComparable compositeComparable = (CustomSelectComparable) o;
    Map<Integer, Comparable> paramComparableMap = compositeComparable.getComparableMap();
    if ((comparableMap == null) && (paramComparableMap == null)) {
        return 0;
    }//w w  w  .  ja  va 2  s.  c o  m
    if (comparableMap == null) {
        return -1;
    }
    if (paramComparableMap == null) {
        return 1;
    }
    Iterator<Integer> itrComparableMap = comparableMap.keySet().iterator();
    while (itrComparableMap.hasNext()) {
        Integer key = itrComparableMap.next();
        Comparable value0 = comparableMap.get(key);
        Comparable value1 = paramComparableMap.get(key);
        if ((value0 == null) && (value1 == null)) {
            return 0;
        }
        if (value0 == null) {
            return -1;
        }
        if (value1 == null) {
            return 1;
        }
        try {
            int compareResult = value0.compareTo(value1);
            if (compareResult != 0) {
                //return now only if the part if different
                return compareResult;
            }
        } catch (Exception e) {
            LOGGER.warn("Sorting the values " + value0 + " of class " + value0.getClass().getName() + " and "
                    + value1 + " of class " + value1.getClass().getName() + " failed with " + e.getMessage());
            LOGGER.debug(ExceptionUtils.getStackTrace(e));
        }
    }
    return 0;
}

---

From source file:dbs_project.index.performance.IndexTest.java

public void rangeQueriesTest() throws Exception {
    long time = 0;

    // sort/*from   ww w  .  j a v  a  2s.c  o  m*/
    List<Index> indexes = new ArrayList<>(table.getIndexes());
    Collections.sort(indexes, CMP);

    for (Index index : indexes) {
        SimpleColumn col = null;
        switch (index.getIndexMetaInfo().getKeyColumn().getMetaData().getType()) {
        case INTEGER:
            col = TPCHData.createForeignKeyColumn(0, "l_partkey", NUMBER_OF_QUERIES,
                    scaleFactor * TPCHData.PART_BASE_SIZE);
            break;
        case DOUBLE:
            col = TPCHData.createDoubleColumn(0, "l_extendedprice", NUMBER_OF_QUERIES, 1, 100000);
            break;
        case DATE:
            col = TPCHData.createDateColumn(0, "l_shipdate", NUMBER_OF_QUERIES, 694224000, 915148800);
            break;
        case STRING:
            col = TPCHData.createWordsColumn(0, "l_shipinstruct", NUMBER_OF_QUERIES, TPCHData.INSTRUCT, 1, 1);
            break;
        }
        long start = System.nanoTime();
        for (int i = 0; i < NUMBER_OF_QUERIES; i += 2) {
            IdCursor ids;
            Comparable date1 = (Comparable) col.getObject(i);
            Comparable date2 = (Comparable) col.getObject(i + 1);
            if (date1.compareTo(date2) < 0) {
                ids = index.rangeQueryRowIds(date1, date2, true, true);
            } else {
                ids = index.rangeQueryRowIds(date2, date1, true, true);
            }

            iterateIds(ids);
        }
        time += System.nanoTime() - start;

        //System.out.println(index.getIndexMetaInfo().getKeyColumn().getMetaData().getName() + ": " + (System.nanoTime() - start));
    }
    outputTime("rangeQueriesTest", scaleFactor, indexType, time);
}

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From source file:com.espertech.esper.client.scopetest.EPAssertionUtil.java

/**
 * Sort events according to natural ordering of the values or a property.
 * @param events to sort/*from   w  w  w. jav a2 s  .c  o  m*/
 * @param property name of property providing sort values
 * @return sorted array
 */
public static EventBean[] sort(EventBean[] events, final String property) {
    List<EventBean> list = Arrays.asList(events);
    Collections.sort(list, new Comparator<EventBean>() {
        public int compare(EventBean o1, EventBean o2) {
            Comparable val1 = (Comparable) o1.get(property);
            Comparable val2 = (Comparable) o2.get(property);
            return val1.compareTo(val2);
        }
    });
    return list.toArray(new EventBean[list.size()]);
}

---

From source file:org.infoglue.cms.util.sorters.CompoundComparable.java

/**
 * Compares the n:th comparable of two <code>SortComparable</code> objects.
 * // w w w .j ava 2 s. c om
 * @param other the other <code>CompoundComparable</code> object.
 * @param index indicates which contained comparable to compare.
 * @return a negative integer, zero, or a positive integer if the n:th comparable of this object 
 *         is less than, equal to, or greater than the n:th comparable of the specified object.
 */
private final int compareTo(final CompoundComparable other, final int index) {
    final Comparable c1 = (Comparable) comparables.get(index);
    final Comparable c2 = (Comparable) other.comparables.get(index);
    final Boolean ascending = (Boolean) orders.get(index);
    return ascending.booleanValue() ? c1.compareTo(c2) : c2.compareTo(c1);
}

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From source file:com.googlecode.jsfFlex.component.ext.AbstractFlexUIDataGridColumn.java

public synchronized Comparator<WrappedBeanEntry> getWrappedEntryAscendingComparator() {
    if (wrappedEntryAscendingComparator == null) {
        wrappedEntryAscendingComparator = new Comparator<WrappedBeanEntry>() {

            public int compare(WrappedBeanEntry entry1, WrappedBeanEntry entry2) {

                Object obj1 = entry1.getBeanEntry();
                Object obj2 = entry2.getBeanEntry();

                try {
                    Comparable<? super Object> act1 = (Comparable<? super Object>) ReflectionHelperUtil
                            .getValue(obj1, getDataFieldMethodName());
                    Comparable<? super Object> act2 = (Comparable<? super Object>) ReflectionHelperUtil
                            .getValue(obj2, getDataFieldMethodName());

                    return (act1.compareTo(act2) * -1);
                } catch (NoSuchMethodException noSuchMethodException) {
                    StringBuilder errorMessage = new StringBuilder();
                    errorMessage.append("NoSuchMethodException was thrown while invoking method : ");
                    errorMessage.append(getDataFieldMethodName());
                    throw new RuntimeException(errorMessage.toString(), noSuchMethodException);
                } catch (Exception additionalAccessException) {
                    StringBuilder errorMessage = new StringBuilder();
                    errorMessage.append(
                            "Other exception aside from NoSuchMethodException was thrown while invoking method : ");
                    errorMessage.append(getDataFieldMethodName());
                    throw new RuntimeException(errorMessage.toString(), additionalAccessException);
                }/* w w  w . ja  va2  s . com*/
            }

        };

    }

    return wrappedEntryAscendingComparator;
}

---

From source file:com.googlecode.jsfFlex.component.ext.AbstractFlexUIDataGridColumn.java

public synchronized Comparator<WrappedBeanEntry> getWrappedEntryDescendingComparator() {
    if (wrappedEntryDescendingComparator == null) {
        wrappedEntryDescendingComparator = new Comparator<WrappedBeanEntry>() {

            public int compare(WrappedBeanEntry entry1, WrappedBeanEntry entry2) {

                Object obj1 = entry1.getBeanEntry();
                Object obj2 = entry2.getBeanEntry();

                try {
                    Comparable<? super Object> act1 = (Comparable<? super Object>) ReflectionHelperUtil
                            .getValue(obj1, getDataFieldMethodName());
                    Comparable<? super Object> act2 = (Comparable<? super Object>) ReflectionHelperUtil
                            .getValue(obj2, getDataFieldMethodName());

                    return act1.compareTo(act2);
                } catch (NoSuchMethodException noSuchMethodException) {
                    StringBuilder errorMessage = new StringBuilder();
                    errorMessage.append("NoSuchMethodException was thrown while invoking method : ");
                    errorMessage.append(getDataFieldMethodName());
                    throw new RuntimeException(errorMessage.toString(), noSuchMethodException);
                } catch (Exception additionalAccessException) {
                    StringBuilder errorMessage = new StringBuilder();
                    errorMessage.append(
                            "Other exception aside from NoSuchMethodException was thrown while invoking method : ");
                    errorMessage.append(getDataFieldMethodName());
                    throw new RuntimeException(errorMessage.toString(), additionalAccessException);
                }/*from w w  w  .j  a  va  2 s .c o  m*/

            }

        };

    }

    return wrappedEntryDescendingComparator;
}

---

From source file:com.aurel.track.fieldType.runtime.base.CompositeComparable.java

@Override
public int compareTo(Object o) {
    CompositeComparable compositeComparable = (CompositeComparable) o;
    Map<Integer, Comparable> paramComparableMap = compositeComparable.getComparableMap();
    if ((comparableMap == null) && (paramComparableMap == null)) {
        return 0;
    }/*w w  w. j  av a  2s.c o  m*/
    if (comparableMap == null) {
        return -1;
    }
    if (paramComparableMap == null) {
        return 1;
    }
    for (int i = 0; i < numberOfParts; i++) {
        Integer parameterCode = new Integer(i + 1);
        Comparable value0 = comparableMap.get(parameterCode);
        Comparable value1 = paramComparableMap.get(parameterCode);
        if ((value0 == null) && (value1 == null)) {
            return 0;
        }
        if (value0 == null) {
            return -1;
        }
        if (value1 == null) {
            return 1;
        }
        try {
            int compareResult = value0.compareTo(value1);
            if (compareResult != 0) {
                //return now only if the part if different
                return compareResult;
            }
        } catch (Exception e) {
            LOGGER.warn("Sorting the values " + value0 + " of class " + value0.getClass().getName() + " and "
                    + value1 + " of class " + value1.getClass().getName() + " failed with " + e.getMessage());
            LOGGER.debug(ExceptionUtils.getStackTrace(e));
        }
    }
    return 0;
}

---

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