Example usage for java.util Collection clear

List of usage examples for java.util Collection clear

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Introduction

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

Prototype

void clear();

Source Link

Document

Removes all of the elements from this collection (optional operation).

Usage

From source file:och.util.ConcurrentUtil.java

public static void getAndClearAllFutures(Collection<Future<?>> futures, boolean logOnError) {
    if (isEmpty(futures))
        return;//from w w  w  . ja  v  a 2s  .c  o m
    for (Future<?> future : futures) {
        try {
            future.get();
        } catch (Exception e) {
            if (logOnError)
                log.error("can't get future", e);
        }
    }
    futures.clear();
}

From source file:com.google.code.guice.repository.spi.TypeUtil.java

/**
 * Finds and returns class of specified generic parametrization class.
 *
 * @param aClass                generic class
 * @param genericParameterClass generic parametrization class
 *
 * @return parameter class or {@code null} if parameter can't be found
 *
 * @throws IllegalArgumentException if specified {@code aClass}  or {@code genericParameterClass} is null
 *///from   w w w . j  av a2s  . co m
public static <T> Class<T> getTypeParameterClass(Class aClass, Class<T> genericParameterClass) {
    Assert.noNullElements(new Object[] { aClass, genericParameterClass });

    Collection<Type> types = new ArrayList<Type>();

    // check interfaces
    getGenericInterfacesActualTypes(types, aClass);

    Class result = findAppropriateType(types, genericParameterClass);
    if (result == null) {
        types.clear();
        // check superclasses
        getGenericSuperclassActualTypes(types, aClass);
    }
    return findAppropriateType(types, genericParameterClass);
}

From source file:edu.illinois.ncsa.springdata.SpringData.java

/**
 * Check each field in object to see if it is already seen. This will modify
 * collections, lists and arrays as well as the fields in an object.
 * /*from   w  w w . ja v  a2  s  .c o  m*/
 * @param obj
 *            the object to be checked for duplicates.
 * @param seen
 *            objects that have already been checked.
 * @return the object with all duplicates removed
 */
private static <T> T removeDuplicate(T obj, Map<String, Object> seen) {
    if (obj == null) {
        return null;
    }
    if (obj instanceof AbstractBean) {
        String id = ((AbstractBean) obj).getId();
        if (seen.containsKey(id)) {
            return (T) seen.get(id);
        }
        seen.put(id, obj);

        // check all subfields
        for (Field field : obj.getClass().getDeclaredFields()) {
            if ((field.getModifiers() & Modifier.FINAL) == 0) {
                try {
                    field.setAccessible(true);
                    field.set(obj, removeDuplicate(field.get(obj), seen));
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }

    } else if (obj instanceof Collection<?>) {
        Collection col = (Collection) obj;
        ArrayList arr = new ArrayList(col);
        col.clear();
        for (int i = 0; i < arr.size(); i++) {
            Object x = removeDuplicate(arr.get(i), seen);
            col.add(x);
        }
    } else if (obj instanceof Map<?, ?>) {
        Map map = (Map) obj;
        ArrayList<Entry> arr = new ArrayList(map.entrySet());
        map.clear();
        for (int i = 0; i < arr.size(); i++) {
            Object k = removeDuplicate(arr.get(i).getKey(), seen);
            Object v = removeDuplicate(arr.get(i).getValue(), seen);
            map.put(k, v);
        }
    } else if (obj.getClass().isArray()) {
        Object[] arr = (Object[]) obj;
        for (int i = 0; i < arr.length; i++) {
            arr[i] = removeDuplicate(arr[i], seen);
        }
    }

    return obj;
}

From source file:com.gm.bamboo.util.HibernateUtils.java

/**
 * ?ID?, ???.//from  w w w  .  j  ava 2  s.  co  m
 * 
 * ??????id,Hibernate??????id?????.
 * ???id??,??id??.
 * ?ID, ??cascade-save-or-update??.
 * 
 * @param srcObjects ??,.
 * @param checkedIds  ?,ID.
 * @param clazz  ?,IdEntity?
 */
public static <T extends BaseEntity> void mergeByCheckedIds(final Collection<T> srcObjects,
        final Collection<Long> checkedIds, final Class<T> clazz) {

    //?
    Assert.notNull(srcObjects, "scrObjects?");
    Assert.notNull(clazz, "clazz?");

    //?, ???.
    if (checkedIds == null) {
        srcObjects.clear();
        return;
    }

    //????,id?ID?.
    //?,???id,?id???id.
    Iterator<T> srcIterator = srcObjects.iterator();
    try {

        while (srcIterator.hasNext()) {
            T element = srcIterator.next();
            Long id = element.getId();

            if (!checkedIds.contains(id)) {
                srcIterator.remove();
            } else {
                checkedIds.remove(id);
            }
        }

        //ID??id????,,id??.
        for (Long id : checkedIds) {
            T element = clazz.newInstance();
            element.setId(id);
            srcObjects.add(element);
        }
    } catch (Exception e) {
        throw ReflectionUtils.convertReflectionExceptionToUnchecked(e);
    }
}

From source file:com.gm.wine.util.HibernateUtils.java

/**
 * ?ID?, ???./*from  www  . ja v a 2 s.c o  m*/
 * 
 * ??????id,Hibernate??????id?????.
 * ???id??,??id??. ?ID,
 * ??cascade-save-or-update??.
 * 
 * @param srcObjects
 *            ??,.
 * @param checkedIds
 *            ?,ID.
 * @param clazz
 *            ?,IdEntity?
 */
public static <T extends BaseEntity> void mergeByCheckedIds(final Collection<T> srcObjects,
        final Collection<Long> checkedIds, final Class<T> clazz) {

    // ?
    Assert.notNull(srcObjects, "scrObjects?");
    Assert.notNull(clazz, "clazz?");

    // ?, ???.
    if (checkedIds == null) {
        srcObjects.clear();
        return;
    }

    // ????,id?ID?.
    // ?,???id,?id???id.
    Iterator<T> srcIterator = srcObjects.iterator();
    try {

        while (srcIterator.hasNext()) {
            T element = srcIterator.next();
            Long id = element.getId();

            if (!checkedIds.contains(id)) {
                srcIterator.remove();
            } else {
                checkedIds.remove(id);
            }
        }

        // ID??id????,,id??.
        for (Long id : checkedIds) {
            T element = clazz.newInstance();
            element.setId(id);
            srcObjects.add(element);
        }
    } catch (Exception e) {
        throw ReflectionUtils.convertReflectionExceptionToUnchecked(e);
    }
}

From source file:org.oscarehr.web.admin.ProviderPreferencesUIBean.java

public static final ProviderPreference updateOrCreateProviderPreferences(HttpServletRequest request) {
    ProviderPreference providerPreference = getLoggedInProviderPreference();

    // update preferences based on request parameters
    String temp;/*from  w  w  w  .j av a2  s.com*/
    HttpSession session = request.getSession();

    // new tickler window
    temp = StringUtils.trimToNull(request.getParameter("new_tickler_warning_window"));
    if (temp != null) {
        providerPreference.setNewTicklerWarningWindow(temp);
    } else {
        temp = StringUtils.trimToNull((String) session.getAttribute("newticklerwarningwindow"));
        if (temp != null)
            providerPreference.setNewTicklerWarningWindow(temp);
    }

    // default pmm
    temp = StringUtils.trimToNull(request.getParameter("default_pmm"));
    if (temp != null) {
        providerPreference.setDefaultCaisiPmm(temp);
    } else {
        temp = StringUtils.trimToNull((String) session.getAttribute("default_pmm"));
        if (temp == null)
            providerPreference.setDefaultCaisiPmm("disabled");
        else
            providerPreference.setDefaultCaisiPmm(temp);
    }

    // default billing preference (edit or delete)
    temp = StringUtils.trimToNull(request.getParameter("caisiBillingPreferenceNotDelete"));
    if (temp != null) {
        try {
            providerPreference.setDefaultDoNotDeleteBilling(Integer.parseInt(temp));
        } catch (NumberFormatException e) {
            MiscUtils.getLogger().error("Error", e);
        }
    } else {
        temp = StringUtils.trimToNull(String.valueOf(session.getAttribute("caisiBillingPreferenceNotDelete")));
        if (temp == null)
            providerPreference.setDefaultDoNotDeleteBilling(0);
        else {
            int defBilling = 0;
            try {
                defBilling = Integer.parseInt(temp);
            } catch (NumberFormatException e) {
                Log.warn("warning", e);
            }
            providerPreference.setDefaultDoNotDeleteBilling(defBilling);
        }
    }

    // default billing dxCode 
    temp = StringUtils.trimToNull(request.getParameter("dxCode"));
    if (temp != null)
        providerPreference.setDefaultDxCode(temp);

    // rest
    temp = StringUtils.trimToNull(request.getParameter("start_hour"));
    if (temp != null)
        providerPreference.setStartHour(Integer.parseInt(temp));

    temp = StringUtils.trimToNull(request.getParameter("end_hour"));
    if (temp != null)
        providerPreference.setEndHour(Integer.parseInt(temp));

    temp = StringUtils.trimToNull(request.getParameter("every_min"));
    if (temp != null)
        providerPreference.setEveryMin(Integer.parseInt(temp));

    temp = StringUtils.trimToNull(request.getParameter("mygroup_no"));
    if (temp != null)
        providerPreference.setMyGroupNo(temp);

    temp = StringUtils.trimToNull(request.getParameter("default_servicetype"));
    if (temp != null)
        providerPreference.setDefaultServiceType(temp);

    temp = StringUtils.trimToNull(request.getParameter("color_template"));
    if (temp != null)
        providerPreference.setColourTemplate(temp);

    providerPreference.setPrintQrCodeOnPrescriptions(WebUtils.isChecked(request, "prescriptionQrCodes"));

    // get encounterForms for appointment screen
    temp = StringUtils.trimToNull(request.getParameter("appointmentScreenFormsNameDisplayLength"));
    if (temp != null)
        providerPreference.setAppointmentScreenLinkNameDisplayLength(Integer.parseInt(temp));

    String[] formNames = request.getParameterValues("encounterFormName");
    Collection<String> formNamesList = providerPreference.getAppointmentScreenForms();

    formNamesList.clear();
    if (formNames != null) {
        for (String formName : formNames) {
            formNamesList.add(formName);
        }
    }

    // get eForms for appointment screen
    String[] formIds = request.getParameterValues("eformId");
    Collection<Integer> eFormsIdsList = providerPreference.getAppointmentScreenEForms();

    eFormsIdsList.clear();
    if (formIds != null) {
        for (String formId : formIds) {
            eFormsIdsList.add(Integer.parseInt(formId));
        }
    }

    // external prescriber prefs
    providerPreference.setERxEnabled(WebUtils.isChecked(request, "erx_enable"));

    temp = StringUtils.trimToNull(request.getParameter("erx_username"));
    if (temp != null)
        providerPreference.setERxUsername(temp);

    temp = StringUtils.trimToNull(request.getParameter("erx_password"));
    if (temp != null)
        providerPreference.setERxPassword(temp);

    temp = StringUtils.trimToNull(request.getParameter("erx_facility"));
    if (temp != null)
        providerPreference.setERxFacility(temp);

    providerPreference.setERxTrainingMode(WebUtils.isChecked(request, "erx_training_mode"));

    temp = StringUtils.trimToNull(request.getParameter("erx_sso_url"));
    if (temp != null)
        providerPreference.setERx_SSO_URL(temp);

    providerPreferenceDao.merge(providerPreference);

    return (providerPreference);
}

From source file:com.framework.infrastructure.utils.HibernateUtils.java

/**
 * ID,./*ww w  . ja va  2 s . c  om*/
 * 
 * id,id.
 * id,id. ID,
 * cascade-save-or-update.
 * 
 * @param srcObjects
 *            ,.
 * @param checkedIds
 *            ,ID.
 * @param clazz
 *            
 * @param idName
 *            
 */
public static <T, ID> void mergeByCheckedIds(final Collection<T> srcObjects, final Collection<ID> checkedIds,
        final Class<T> clazz, final String idName) {

    // 
    Assert.notNull(srcObjects, "scrObjects");
    Assert.hasText(idName, "idName");
    Assert.notNull(clazz, "clazz");

    // , .
    if (checkedIds == null) {
        srcObjects.clear();
        return;
    }

    // ,idID,.
    // ,id,idid.
    Iterator<T> srcIterator = srcObjects.iterator();
    try {

        while (srcIterator.hasNext()) {
            T element = srcIterator.next();
            Object id;
            id = PropertyUtils.getProperty(element, idName);

            if (!checkedIds.contains(id)) {
                srcIterator.remove();
            } else {
                checkedIds.remove(id);
            }
        }

        // IDid,,id.
        for (ID id : checkedIds) {
            T obj = clazz.newInstance();
            PropertyUtils.setProperty(obj, idName, id);
            srcObjects.add(obj);
        }
    } catch (Exception e) {
        throw ReflectionUtils.convertReflectionExceptionToUnchecked(e);
    }
}

From source file:org.springside.modules.orm.hibernate.HibernateUtils.java

/**
 * ?ID?,???.//www .j  a  v a  2 s.co m
 * 
 * ??????id,??????id?????.
 * ???id??,??id??.
 * ?ID, ??cascade-save-or-update??.
 * 
 * @param srcObjects ??,.
 * @param checkedIds  ?,ID.
 * @param clazz  ?
 * @param idName ??
 */
public static <T, ID> void mergeByCheckedIds(final Collection<T> srcObjects, final Collection<ID> checkedIds,
        final Class<T> clazz, final String idName) {

    //?
    Assert.notNull(srcObjects, "scrObjects?");
    Assert.hasText(idName, "idName?");
    Assert.notNull(clazz, "clazz?");

    //?, ???.
    if (checkedIds == null) {
        srcObjects.clear();
        return;
    }

    //????,id?ID?,.
    //?,???id,?id???id.
    Iterator<T> srcIterator = srcObjects.iterator();
    try {

        while (srcIterator.hasNext()) {
            T element = srcIterator.next();
            Object id;
            id = PropertyUtils.getProperty(element, idName);

            if (!checkedIds.contains(id)) {
                srcIterator.remove();
            } else {
                checkedIds.remove(id);
            }
        }

        //ID??id????,,id??.
        for (ID id : checkedIds) {
            T obj = clazz.newInstance();
            PropertyUtils.setProperty(obj, idName, id);
            srcObjects.add(obj);
        }
    } catch (Exception e) {
        throw ReflectionUtils.convertReflectionExceptionToUnchecked(e);
    }
}

From source file:com.thinkmore.framework.orm.hibernate.HibernateWebUtils.java

/**
 * ?ID?,???./*  w ww .j a v a2s.  c  o  m*/
 * 
 * ??????id,??????id?????.
 * ???id??,??id??.
 * ?ID, ??cascade-save-or-update.
 * 
 * @param srcObjects ??,.
 * @param checkedIds  ?,ID.
 * @param clazz  ?
 * @param idName ??
 */
public static <T, ID> void mergeByCheckedIds(final Collection<T> srcObjects, final Collection<ID> checkedIds,
        final Class<T> clazz, final String idName) {

    //?
    Assert.notNull(srcObjects, "scrObjects?");
    Assert.hasText(idName, "idName?");
    Assert.notNull(clazz, "clazz?");

    //?,???.
    if (checkedIds == null) {
        srcObjects.clear();
        return;
    }

    //????,id?ID?,.
    //?,???id,?id???id.
    Iterator<T> srcIterator = srcObjects.iterator();
    try {

        while (srcIterator.hasNext()) {
            T element = srcIterator.next();
            Object id;
            id = PropertyUtils.getProperty(element, idName);

            if (!checkedIds.contains(id)) {
                srcIterator.remove();
            } else {
                checkedIds.remove(id);
            }
        }

        //ID??id????,,id??.
        for (ID id : checkedIds) {
            T obj = clazz.newInstance();
            PropertyUtils.setProperty(obj, idName, id);
            srcObjects.add(obj);
        }
    } catch (Exception e) {
        throw ReflectionUtil.convertReflectionExceptionToUnchecked(e);
    }
}

From source file:com.xyz.util.WebDataUtil.java

/**
 * ?ID?,???.//from   w w  w. j  a v  a 2s  .c  om
 * 
 * ??????id,??????id?????.
 * ???id?ID?,?ID?id??.
 * 
 * @param srcObjects ??
 * @param checkedIds  ID?
 * @param clazz  ?
 * @param idName ??
 */
public static <T, ID> void mergeByCheckedIds(final Collection<T> srcObjects, final Collection<ID> checkedIds,
        final Class<T> clazz, final String idName) {

    //?
    Assert.notNull(srcObjects, "scrObjects?");
    Assert.hasText(idName, "idName?");
    Assert.notNull(clazz, "clazz?");

    //ID?,???.
    if (checkedIds == null) {
        srcObjects.clear();
        return;
    }

    //????,id?ID?,.
    //?,ID???id,ID?id???ID.
    Iterator<T> srcIterator = srcObjects.iterator();
    try {

        while (srcIterator.hasNext()) {
            T element = srcIterator.next();
            Object id;
            id = PropertyUtils.getProperty(element, idName);

            if (!checkedIds.contains(id)) {
                srcIterator.remove();
            } else {
                checkedIds.remove(id);
            }
        }

        //ID??id????,,id??.
        for (ID id : checkedIds) {
            T obj = clazz.newInstance();
            PropertyUtils.setProperty(obj, idName, id);
            srcObjects.add(obj);
        }
    } catch (Exception e) {
        throw ReflectionUtil.convertToUncheckedException(e);
    }
}