ClassNamePersistenceImpl.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.service.persistence.impl;

import aQute.bnd.annotation.ProviderType;

import com.liferay.portal.kernel.dao.orm.EntityCache;
import com.liferay.portal.kernel.dao.orm.EntityCacheUtil;
import com.liferay.portal.kernel.dao.orm.FinderCache;
import com.liferay.portal.kernel.dao.orm.FinderCacheUtil;
import com.liferay.portal.kernel.dao.orm.FinderPath;
import com.liferay.portal.kernel.dao.orm.Query;
import com.liferay.portal.kernel.dao.orm.QueryPos;
import com.liferay.portal.kernel.dao.orm.QueryUtil;
import com.liferay.portal.kernel.dao.orm.Session;
import com.liferay.portal.kernel.exception.NoSuchClassNameException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.model.ClassName;
import com.liferay.portal.kernel.service.persistence.ClassNamePersistence;
import com.liferay.portal.kernel.service.persistence.impl.BasePersistenceImpl;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.model.impl.ClassNameImpl;
import com.liferay.portal.model.impl.ClassNameModelImpl;

import java.io.Serializable;

import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;

/**
 * The persistence implementation for the class name service.
 *
 * <p>
 * Caching information and settings can be found in <code>portal.properties</code>
 * </p>
 *
 * @author Brian Wing Shun Chan
 * @see ClassNamePersistence
 * @see com.liferay.portal.kernel.service.persistence.ClassNameUtil
 * @generated
 */
@ProviderType
public class ClassNamePersistenceImpl extends BasePersistenceImpl<ClassName>
	implements ClassNamePersistence {
	/*
	 * NOTE FOR DEVELOPERS:
	 *
	 * Never modify or reference this class directly. Always use {@link ClassNameUtil} to access the class name persistence. Modify <code>service.xml</code> and rerun ServiceBuilder to regenerate this class.
	 */
	public static final String FINDER_CLASS_NAME_ENTITY = ClassNameImpl.class.getName();
	public static final String FINDER_CLASS_NAME_LIST_WITH_PAGINATION = FINDER_CLASS_NAME_ENTITY +
		".List1";
	public static final String FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION = FINDER_CLASS_NAME_ENTITY +
		".List2";
	public static final FinderPath FINDER_PATH_WITH_PAGINATION_FIND_ALL = new FinderPath(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
			ClassNameModelImpl.FINDER_CACHE_ENABLED, ClassNameImpl.class,
			FINDER_CLASS_NAME_LIST_WITH_PAGINATION, "findAll", new String[0]);
	public static final FinderPath FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL = new FinderPath(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
			ClassNameModelImpl.FINDER_CACHE_ENABLED, ClassNameImpl.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "findAll", new String[0]);
	public static final FinderPath FINDER_PATH_COUNT_ALL = new FinderPath(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
			ClassNameModelImpl.FINDER_CACHE_ENABLED, Long.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "countAll", new String[0]);
	public static final FinderPath FINDER_PATH_FETCH_BY_VALUE = new FinderPath(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
			ClassNameModelImpl.FINDER_CACHE_ENABLED, ClassNameImpl.class,
			FINDER_CLASS_NAME_ENTITY, "fetchByValue",
			new String[] { String.class.getName() },
			ClassNameModelImpl.VALUE_COLUMN_BITMASK);
	public static final FinderPath FINDER_PATH_COUNT_BY_VALUE = new FinderPath(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
			ClassNameModelImpl.FINDER_CACHE_ENABLED, Long.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "countByValue",
			new String[] { String.class.getName() });

	/**
	 * Returns the class name where value = ? or throws a {@link NoSuchClassNameException} if it could not be found.
	 *
	 * @param value the value
	 * @return the matching class name
	 * @throws NoSuchClassNameException if a matching class name could not be found
	 */
	@Override
	public ClassName findByValue(String value) throws NoSuchClassNameException {
		ClassName className = fetchByValue(value);

		if (className == null) {
			StringBundler msg = new StringBundler(4);

			msg.append(_NO_SUCH_ENTITY_WITH_KEY);

			msg.append("value=");
			msg.append(value);

			msg.append(StringPool.CLOSE_CURLY_BRACE);

			if (_log.isDebugEnabled()) {
				_log.debug(msg.toString());
			}

			throw new NoSuchClassNameException(msg.toString());
		}

		return className;
	}

	/**
	 * Returns the class name where value = ? or returns <code>null</code> if it could not be found. Uses the finder cache.
	 *
	 * @param value the value
	 * @return the matching class name, or <code>null</code> if a matching class name could not be found
	 */
	@Override
	public ClassName fetchByValue(String value) {
		return fetchByValue(value, true);
	}

	/**
	 * Returns the class name where value = ? or returns <code>null</code> if it could not be found, optionally using the finder cache.
	 *
	 * @param value the value
	 * @param retrieveFromCache whether to retrieve from the finder cache
	 * @return the matching class name, or <code>null</code> if a matching class name could not be found
	 */
	@Override
	public ClassName fetchByValue(String value, boolean retrieveFromCache) {
		Object[] finderArgs = new Object[] { value };

		Object result = null;

		if (retrieveFromCache) {
			result = finderCache.getResult(FINDER_PATH_FETCH_BY_VALUE,
					finderArgs, this);
		}

		if (result instanceof ClassName) {
			ClassName className = (ClassName)result;

			if (!Objects.equals(value, className.getValue())) {
				result = null;
			}
		}

		if (result == null) {
			StringBundler query = new StringBundler(3);

			query.append(_SQL_SELECT_CLASSNAME_WHERE);

			boolean bindValue = false;

			if (value == null) {
				query.append(_FINDER_COLUMN_VALUE_VALUE_1);
			}
			else if (value.equals(StringPool.BLANK)) {
				query.append(_FINDER_COLUMN_VALUE_VALUE_3);
			}
			else {
				bindValue = true;

				query.append(_FINDER_COLUMN_VALUE_VALUE_2);
			}

			String sql = query.toString();

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				QueryPos qPos = QueryPos.getInstance(q);

				if (bindValue) {
					qPos.add(value);
				}

				List<ClassName> list = q.list();

				if (list.isEmpty()) {
					finderCache.putResult(FINDER_PATH_FETCH_BY_VALUE,
						finderArgs, list);
				}
				else {
					ClassName className = list.get(0);

					result = className;

					cacheResult(className);

					if ((className.getValue() == null) ||
							!className.getValue().equals(value)) {
						finderCache.putResult(FINDER_PATH_FETCH_BY_VALUE,
							finderArgs, className);
					}
				}
			}
			catch (Exception e) {
				finderCache.removeResult(FINDER_PATH_FETCH_BY_VALUE, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		if (result instanceof List<?>) {
			return null;
		}
		else {
			return (ClassName)result;
		}
	}

	/**
	 * Removes the class name where value = ? from the database.
	 *
	 * @param value the value
	 * @return the class name that was removed
	 */
	@Override
	public ClassName removeByValue(String value)
		throws NoSuchClassNameException {
		ClassName className = findByValue(value);

		return remove(className);
	}

	/**
	 * Returns the number of class names where value = ?.
	 *
	 * @param value the value
	 * @return the number of matching class names
	 */
	@Override
	public int countByValue(String value) {
		FinderPath finderPath = FINDER_PATH_COUNT_BY_VALUE;

		Object[] finderArgs = new Object[] { value };

		Long count = (Long)finderCache.getResult(finderPath, finderArgs, this);

		if (count == null) {
			StringBundler query = new StringBundler(2);

			query.append(_SQL_COUNT_CLASSNAME_WHERE);

			boolean bindValue = false;

			if (value == null) {
				query.append(_FINDER_COLUMN_VALUE_VALUE_1);
			}
			else if (value.equals(StringPool.BLANK)) {
				query.append(_FINDER_COLUMN_VALUE_VALUE_3);
			}
			else {
				bindValue = true;

				query.append(_FINDER_COLUMN_VALUE_VALUE_2);
			}

			String sql = query.toString();

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				QueryPos qPos = QueryPos.getInstance(q);

				if (bindValue) {
					qPos.add(value);
				}

				count = (Long)q.uniqueResult();

				finderCache.putResult(finderPath, finderArgs, count);
			}
			catch (Exception e) {
				finderCache.removeResult(finderPath, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return count.intValue();
	}

	private static final String _FINDER_COLUMN_VALUE_VALUE_1 = "className.value IS NULL";
	private static final String _FINDER_COLUMN_VALUE_VALUE_2 = "className.value = ?";
	private static final String _FINDER_COLUMN_VALUE_VALUE_3 = "(className.value IS NULL OR className.value = '')";

	public ClassNamePersistenceImpl() {
		setModelClass(ClassName.class);
	}

	/**
	 * Caches the class name in the entity cache if it is enabled.
	 *
	 * @param className the class name
	 */
	@Override
	public void cacheResult(ClassName className) {
		entityCache.putResult(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
			ClassNameImpl.class, className.getPrimaryKey(), className);

		finderCache.putResult(FINDER_PATH_FETCH_BY_VALUE,
			new Object[] { className.getValue() }, className);

		className.resetOriginalValues();
	}

	/**
	 * Caches the class names in the entity cache if it is enabled.
	 *
	 * @param classNames the class names
	 */
	@Override
	public void cacheResult(List<ClassName> classNames) {
		for (ClassName className : classNames) {
			if (entityCache.getResult(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
						ClassNameImpl.class, className.getPrimaryKey()) == null) {
				cacheResult(className);
			}
			else {
				className.resetOriginalValues();
			}
		}
	}

	/**
	 * Clears the cache for all class names.
	 *
	 * <p>
	 * The {@link EntityCache} and {@link FinderCache} are both cleared by this method.
	 * </p>
	 */
	@Override
	public void clearCache() {
		entityCache.clearCache(ClassNameImpl.class);

		finderCache.clearCache(FINDER_CLASS_NAME_ENTITY);
		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	/**
	 * Clears the cache for the class name.
	 *
	 * <p>
	 * The {@link EntityCache} and {@link FinderCache} are both cleared by this method.
	 * </p>
	 */
	@Override
	public void clearCache(ClassName className) {
		entityCache.removeResult(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
			ClassNameImpl.class, className.getPrimaryKey());

		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);

		clearUniqueFindersCache((ClassNameModelImpl)className, true);
	}

	@Override
	public void clearCache(List<ClassName> classNames) {
		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);

		for (ClassName className : classNames) {
			entityCache.removeResult(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
				ClassNameImpl.class, className.getPrimaryKey());

			clearUniqueFindersCache((ClassNameModelImpl)className, true);
		}
	}

	protected void cacheUniqueFindersCache(
		ClassNameModelImpl classNameModelImpl) {
		Object[] args = new Object[] { classNameModelImpl.getValue() };

		finderCache.putResult(FINDER_PATH_COUNT_BY_VALUE, args,
			Long.valueOf(1), false);
		finderCache.putResult(FINDER_PATH_FETCH_BY_VALUE, args,
			classNameModelImpl, false);
	}

	protected void clearUniqueFindersCache(
		ClassNameModelImpl classNameModelImpl, boolean clearCurrent) {
		if (clearCurrent) {
			Object[] args = new Object[] { classNameModelImpl.getValue() };

			finderCache.removeResult(FINDER_PATH_COUNT_BY_VALUE, args);
			finderCache.removeResult(FINDER_PATH_FETCH_BY_VALUE, args);
		}

		if ((classNameModelImpl.getColumnBitmask() &
				FINDER_PATH_FETCH_BY_VALUE.getColumnBitmask()) != 0) {
			Object[] args = new Object[] { classNameModelImpl.getOriginalValue() };

			finderCache.removeResult(FINDER_PATH_COUNT_BY_VALUE, args);
			finderCache.removeResult(FINDER_PATH_FETCH_BY_VALUE, args);
		}
	}

	/**
	 * Creates a new class name with the primary key. Does not add the class name to the database.
	 *
	 * @param classNameId the primary key for the new class name
	 * @return the new class name
	 */
	@Override
	public ClassName create(long classNameId) {
		ClassName className = new ClassNameImpl();

		className.setNew(true);
		className.setPrimaryKey(classNameId);

		return className;
	}

	/**
	 * Removes the class name with the primary key from the database. Also notifies the appropriate model listeners.
	 *
	 * @param classNameId the primary key of the class name
	 * @return the class name that was removed
	 * @throws NoSuchClassNameException if a class name with the primary key could not be found
	 */
	@Override
	public ClassName remove(long classNameId) throws NoSuchClassNameException {
		return remove((Serializable)classNameId);
	}

	/**
	 * Removes the class name with the primary key from the database. Also notifies the appropriate model listeners.
	 *
	 * @param primaryKey the primary key of the class name
	 * @return the class name that was removed
	 * @throws NoSuchClassNameException if a class name with the primary key could not be found
	 */
	@Override
	public ClassName remove(Serializable primaryKey)
		throws NoSuchClassNameException {
		Session session = null;

		try {
			session = openSession();

			ClassName className = (ClassName)session.get(ClassNameImpl.class,
					primaryKey);

			if (className == null) {
				if (_log.isDebugEnabled()) {
					_log.debug(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey);
				}

				throw new NoSuchClassNameException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
					primaryKey);
			}

			return remove(className);
		}
		catch (NoSuchClassNameException nsee) {
			throw nsee;
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}
	}

	@Override
	protected ClassName removeImpl(ClassName className) {
		className = toUnwrappedModel(className);

		Session session = null;

		try {
			session = openSession();

			if (!session.contains(className)) {
				className = (ClassName)session.get(ClassNameImpl.class,
						className.getPrimaryKeyObj());
			}

			if (className != null) {
				session.delete(className);
			}
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		if (className != null) {
			clearCache(className);
		}

		return className;
	}

	@Override
	public ClassName updateImpl(ClassName className) {
		className = toUnwrappedModel(className);

		boolean isNew = className.isNew();

		ClassNameModelImpl classNameModelImpl = (ClassNameModelImpl)className;

		Session session = null;

		try {
			session = openSession();

			if (className.isNew()) {
				session.save(className);

				className.setNew(false);
			}
			else {
				className = (ClassName)session.merge(className);
			}
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);

		if (!ClassNameModelImpl.COLUMN_BITMASK_ENABLED) {
			finderCache.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
		}
		else
		 if (isNew) {
			finderCache.removeResult(FINDER_PATH_COUNT_ALL, FINDER_ARGS_EMPTY);
			finderCache.removeResult(FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL,
				FINDER_ARGS_EMPTY);
		}

		entityCache.putResult(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
			ClassNameImpl.class, className.getPrimaryKey(), className, false);

		clearUniqueFindersCache(classNameModelImpl, false);
		cacheUniqueFindersCache(classNameModelImpl);

		className.resetOriginalValues();

		return className;
	}

	protected ClassName toUnwrappedModel(ClassName className) {
		if (className instanceof ClassNameImpl) {
			return className;
		}

		ClassNameImpl classNameImpl = new ClassNameImpl();

		classNameImpl.setNew(className.isNew());
		classNameImpl.setPrimaryKey(className.getPrimaryKey());

		classNameImpl.setMvccVersion(className.getMvccVersion());
		classNameImpl.setClassNameId(className.getClassNameId());
		classNameImpl.setValue(className.getValue());

		return classNameImpl;
	}

	/**
	 * Returns the class name with the primary key or throws a {@link com.liferay.portal.kernel.exception.NoSuchModelException} if it could not be found.
	 *
	 * @param primaryKey the primary key of the class name
	 * @return the class name
	 * @throws NoSuchClassNameException if a class name with the primary key could not be found
	 */
	@Override
	public ClassName findByPrimaryKey(Serializable primaryKey)
		throws NoSuchClassNameException {
		ClassName className = fetchByPrimaryKey(primaryKey);

		if (className == null) {
			if (_log.isDebugEnabled()) {
				_log.debug(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey);
			}

			throw new NoSuchClassNameException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
				primaryKey);
		}

		return className;
	}

	/**
	 * Returns the class name with the primary key or throws a {@link NoSuchClassNameException} if it could not be found.
	 *
	 * @param classNameId the primary key of the class name
	 * @return the class name
	 * @throws NoSuchClassNameException if a class name with the primary key could not be found
	 */
	@Override
	public ClassName findByPrimaryKey(long classNameId)
		throws NoSuchClassNameException {
		return findByPrimaryKey((Serializable)classNameId);
	}

	/**
	 * Returns the class name with the primary key or returns <code>null</code> if it could not be found.
	 *
	 * @param primaryKey the primary key of the class name
	 * @return the class name, or <code>null</code> if a class name with the primary key could not be found
	 */
	@Override
	public ClassName fetchByPrimaryKey(Serializable primaryKey) {
		Serializable serializable = entityCache.getResult(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
				ClassNameImpl.class, primaryKey);

		if (serializable == nullModel) {
			return null;
		}

		ClassName className = (ClassName)serializable;

		if (className == null) {
			Session session = null;

			try {
				session = openSession();

				className = (ClassName)session.get(ClassNameImpl.class,
						primaryKey);

				if (className != null) {
					cacheResult(className);
				}
				else {
					entityCache.putResult(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
						ClassNameImpl.class, primaryKey, nullModel);
				}
			}
			catch (Exception e) {
				entityCache.removeResult(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
					ClassNameImpl.class, primaryKey);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return className;
	}

	/**
	 * Returns the class name with the primary key or returns <code>null</code> if it could not be found.
	 *
	 * @param classNameId the primary key of the class name
	 * @return the class name, or <code>null</code> if a class name with the primary key could not be found
	 */
	@Override
	public ClassName fetchByPrimaryKey(long classNameId) {
		return fetchByPrimaryKey((Serializable)classNameId);
	}

	@Override
	public Map<Serializable, ClassName> fetchByPrimaryKeys(
		Set<Serializable> primaryKeys) {
		if (primaryKeys.isEmpty()) {
			return Collections.emptyMap();
		}

		Map<Serializable, ClassName> map = new HashMap<Serializable, ClassName>();

		if (primaryKeys.size() == 1) {
			Iterator<Serializable> iterator = primaryKeys.iterator();

			Serializable primaryKey = iterator.next();

			ClassName className = fetchByPrimaryKey(primaryKey);

			if (className != null) {
				map.put(primaryKey, className);
			}

			return map;
		}

		Set<Serializable> uncachedPrimaryKeys = null;

		for (Serializable primaryKey : primaryKeys) {
			Serializable serializable = entityCache.getResult(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
					ClassNameImpl.class, primaryKey);

			if (serializable != nullModel) {
				if (serializable == null) {
					if (uncachedPrimaryKeys == null) {
						uncachedPrimaryKeys = new HashSet<Serializable>();
					}

					uncachedPrimaryKeys.add(primaryKey);
				}
				else {
					map.put(primaryKey, (ClassName)serializable);
				}
			}
		}

		if (uncachedPrimaryKeys == null) {
			return map;
		}

		StringBundler query = new StringBundler((uncachedPrimaryKeys.size() * 2) +
				1);

		query.append(_SQL_SELECT_CLASSNAME_WHERE_PKS_IN);

		for (Serializable primaryKey : uncachedPrimaryKeys) {
			query.append((long)primaryKey);

			query.append(StringPool.COMMA);
		}

		query.setIndex(query.index() - 1);

		query.append(StringPool.CLOSE_PARENTHESIS);

		String sql = query.toString();

		Session session = null;

		try {
			session = openSession();

			Query q = session.createQuery(sql);

			for (ClassName className : (List<ClassName>)q.list()) {
				map.put(className.getPrimaryKeyObj(), className);

				cacheResult(className);

				uncachedPrimaryKeys.remove(className.getPrimaryKeyObj());
			}

			for (Serializable primaryKey : uncachedPrimaryKeys) {
				entityCache.putResult(ClassNameModelImpl.ENTITY_CACHE_ENABLED,
					ClassNameImpl.class, primaryKey, nullModel);
			}
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		return map;
	}

	/**
	 * Returns all the class names.
	 *
	 * @return the class names
	 */
	@Override
	public List<ClassName> findAll() {
		return findAll(QueryUtil.ALL_POS, QueryUtil.ALL_POS, null);
	}

	/**
	 * Returns a range of all the class names.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link ClassNameModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param start the lower bound of the range of class names
	 * @param end the upper bound of the range of class names (not inclusive)
	 * @return the range of class names
	 */
	@Override
	public List<ClassName> findAll(int start, int end) {
		return findAll(start, end, null);
	}

	/**
	 * Returns an ordered range of all the class names.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link ClassNameModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param start the lower bound of the range of class names
	 * @param end the upper bound of the range of class names (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @return the ordered range of class names
	 */
	@Override
	public List<ClassName> findAll(int start, int end,
		OrderByComparator<ClassName> orderByComparator) {
		return findAll(start, end, orderByComparator, true);
	}

	/**
	 * Returns an ordered range of all the class names.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link ClassNameModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
	 * </p>
	 *
	 * @param start the lower bound of the range of class names
	 * @param end the upper bound of the range of class names (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @param retrieveFromCache whether to retrieve from the finder cache
	 * @return the ordered range of class names
	 */
	@Override
	public List<ClassName> findAll(int start, int end,
		OrderByComparator<ClassName> orderByComparator,
		boolean retrieveFromCache) {
		boolean pagination = true;
		FinderPath finderPath = null;
		Object[] finderArgs = null;

		if ((start == QueryUtil.ALL_POS) && (end == QueryUtil.ALL_POS) &&
				(orderByComparator == null)) {
			pagination = false;
			finderPath = FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL;
			finderArgs = FINDER_ARGS_EMPTY;
		}
		else {
			finderPath = FINDER_PATH_WITH_PAGINATION_FIND_ALL;
			finderArgs = new Object[] { start, end, orderByComparator };
		}

		List<ClassName> list = null;

		if (retrieveFromCache) {
			list = (List<ClassName>)finderCache.getResult(finderPath,
					finderArgs, this);
		}

		if (list == null) {
			StringBundler query = null;
			String sql = null;

			if (orderByComparator != null) {
				query = new StringBundler(2 +
						(orderByComparator.getOrderByFields().length * 2));

				query.append(_SQL_SELECT_CLASSNAME);

				appendOrderByComparator(query, _ORDER_BY_ENTITY_ALIAS,
					orderByComparator);

				sql = query.toString();
			}
			else {
				sql = _SQL_SELECT_CLASSNAME;

				if (pagination) {
					sql = sql.concat(ClassNameModelImpl.ORDER_BY_JPQL);
				}
			}

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				if (!pagination) {
					list = (List<ClassName>)QueryUtil.list(q, getDialect(),
							start, end, false);

					Collections.sort(list);

					list = Collections.unmodifiableList(list);
				}
				else {
					list = (List<ClassName>)QueryUtil.list(q, getDialect(),
							start, end);
				}

				cacheResult(list);

				finderCache.putResult(finderPath, finderArgs, list);
			}
			catch (Exception e) {
				finderCache.removeResult(finderPath, finderArgs);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return list;
	}

	/**
	 * Removes all the class names from the database.
	 *
	 */
	@Override
	public void removeAll() {
		for (ClassName className : findAll()) {
			remove(className);
		}
	}

	/**
	 * Returns the number of class names.
	 *
	 * @return the number of class names
	 */
	@Override
	public int countAll() {
		Long count = (Long)finderCache.getResult(FINDER_PATH_COUNT_ALL,
				FINDER_ARGS_EMPTY, this);

		if (count == null) {
			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(_SQL_COUNT_CLASSNAME);

				count = (Long)q.uniqueResult();

				finderCache.putResult(FINDER_PATH_COUNT_ALL, FINDER_ARGS_EMPTY,
					count);
			}
			catch (Exception e) {
				finderCache.removeResult(FINDER_PATH_COUNT_ALL,
					FINDER_ARGS_EMPTY);

				throw processException(e);
			}
			finally {
				closeSession(session);
			}
		}

		return count.intValue();
	}

	@Override
	protected Map<String, Integer> getTableColumnsMap() {
		return ClassNameModelImpl.TABLE_COLUMNS_MAP;
	}

	/**
	 * Initializes the class name persistence.
	 */
	public void afterPropertiesSet() {
	}

	public void destroy() {
		entityCache.removeCache(ClassNameImpl.class.getName());
		finderCache.removeCache(FINDER_CLASS_NAME_ENTITY);
		finderCache.removeCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		finderCache.removeCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	protected EntityCache entityCache = EntityCacheUtil.getEntityCache();
	protected FinderCache finderCache = FinderCacheUtil.getFinderCache();
	private static final String _SQL_SELECT_CLASSNAME = "SELECT className FROM ClassName className";
	private static final String _SQL_SELECT_CLASSNAME_WHERE_PKS_IN = "SELECT className FROM ClassName className WHERE classNameId IN (";
	private static final String _SQL_SELECT_CLASSNAME_WHERE = "SELECT className FROM ClassName className WHERE ";
	private static final String _SQL_COUNT_CLASSNAME = "SELECT COUNT(className) FROM ClassName className";
	private static final String _SQL_COUNT_CLASSNAME_WHERE = "SELECT COUNT(className) FROM ClassName className WHERE ";
	private static final String _ORDER_BY_ENTITY_ALIAS = "className.";
	private static final String _NO_SUCH_ENTITY_WITH_PRIMARY_KEY = "No ClassName exists with the primary key ";
	private static final String _NO_SUCH_ENTITY_WITH_KEY = "No ClassName exists with the key {";
	private static final Log _log = LogFactoryUtil.getLog(ClassNamePersistenceImpl.class);
}