diff --git a/persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/criteria/model/Item.java b/persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/criteria/model/Item.java new file mode 100644 index 0000000000..957207b7e6 --- /dev/null +++ b/persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/criteria/model/Item.java @@ -0,0 +1,81 @@ +package com.baeldung.hibernate.criteria.model; + +import java.io.Serializable; + +public class Item implements Serializable { + + private static final long serialVersionUID = 1L; + private Integer itemId; + private String itemName; + private String itemDescription; + private Integer itemPrice; + + // constructors + public Item() { + + } + + public Item(final Integer itemId, final String itemName, final String itemDescription) { + super(); + this.itemId = itemId; + this.itemName = itemName; + this.itemDescription = itemDescription; + } + + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + ((itemId == null) ? 0 : itemId.hashCode()); + return result; + } + + @Override + public boolean equals(final Object obj) { + if (this == obj) + return true; + if (obj == null) + return false; + if (getClass() != obj.getClass()) + return false; + final Item other = (Item) obj; + if (itemId == null) { + if (other.itemId != null) + return false; + } else if (!itemId.equals(other.itemId)) + return false; + return true; + } + + public Integer getItemId() { + return itemId; + } + + public void setItemId(final Integer itemId) { + this.itemId = itemId; + } + + public String getItemName() { + return itemName; + } + + public void setItemName(final String itemName) { + this.itemName = itemName; + } + + public String getItemDescription() { + return itemDescription; + } + + public Integer getItemPrice() { + return itemPrice; + } + + public void setItemPrice(final Integer itemPrice) { + this.itemPrice = itemPrice; + } + + public void setItemDescription(final String itemDescription) { + this.itemDescription = itemDescription; + } +} diff --git a/spring-hibernate4/src/main/java/com/baeldung/hibernate/criteria/util/HibernateUtil.java b/persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/criteria/util/HibernateUtil.java similarity index 100% rename from spring-hibernate4/src/main/java/com/baeldung/hibernate/criteria/util/HibernateUtil.java rename to persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/criteria/util/HibernateUtil.java diff --git a/persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/criteria/view/ApplicationView.java b/persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/criteria/view/ApplicationView.java new file mode 100644 index 0000000000..72d4dea377 --- /dev/null +++ b/persistence-modules/spring-hibernate-5/src/main/java/com/baeldung/hibernate/criteria/view/ApplicationView.java @@ -0,0 +1,335 @@ +/** + * ApplicationViewer is the class that starts the application + * First it creates the session object and then creates the + * criteria query. + * + * @author Pritam Banerjee + * @version 1.0 + * @since 07/20/2016 + */ + +package com.baeldung.hibernate.criteria.view; + +import java.util.List; + +import javax.persistence.criteria.CriteriaBuilder; +import javax.persistence.criteria.CriteriaQuery; +import javax.persistence.criteria.Predicate; +import javax.persistence.criteria.Root; + +import org.hibernate.Session; +import org.hibernate.query.Query; + +import com.baeldung.hibernate.criteria.model.Item; +import com.baeldung.hibernate.criteria.util.HibernateUtil; + +public class ApplicationView { + + // default Constructor + public ApplicationView() { + + } + + public boolean checkIfCriteriaTimeLower() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + + // calculate the time taken by criteria + final long startTimeCriteria = System.nanoTime(); + cr.select(root) + .where(cb.like(root.get("itemName"), "%item One%")); + // .add(Restrictions.like("itemName", "%item One%")); + Query query = session.createQuery(cr); + + final List results = query.getResultList(); + final long endTimeCriteria = System.nanoTime(); + final long durationCriteria = (endTimeCriteria - startTimeCriteria) / 1000; + + // calculate the time taken by HQL + final long startTimeHQL = System.nanoTime(); + session.beginTransaction(); + final List items = session.createQuery("FROM Item where itemName like '%item One%'") + .list(); + final long endTimeHQL = System.nanoTime(); + final long durationHQL = (endTimeHQL - startTimeHQL) / 1000; + + if (durationCriteria > durationHQL) { + return false; + } else { + return true; + } + } + + // To get items having price more than 1000 + public String[] greaterThanCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + cr.select(root) + .where(cb.gt(root.get("itemPrice"), 1000)); + // cr.add(Restrictions.gt("itemPrice", 1000)); + Query query = session.createQuery(cr); + final List greaterThanItemsList = query.getResultList(); + final String greaterThanItems[] = new String[greaterThanItemsList.size()]; + for (int i = 0; i < greaterThanItemsList.size(); i++) { + greaterThanItems[i] = greaterThanItemsList.get(i) + .getItemName(); + } + session.close(); + return greaterThanItems; + } + + // To get items having price less than 1000 + public String[] lessThanCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + cr.select(root) + .where(cb.lt(root.get("itemPrice"), 1000)); + // cr.add(Restrictions.lt("itemPrice", 1000)); + Query query = session.createQuery(cr); + final List lessThanItemsList = query.getResultList(); + final String lessThanItems[] = new String[lessThanItemsList.size()]; + for (int i = 0; i < lessThanItemsList.size(); i++) { + lessThanItems[i] = lessThanItemsList.get(i) + .getItemName(); + } + session.close(); + return lessThanItems; + } + + // To get items whose Name start with Chair + public String[] likeCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + cr.select(root) + .where(cb.like(root.get("itemName"), "%chair%")); + // cr.add(Restrictions.like("itemName", "%chair%")); + Query query = session.createQuery(cr); + final List likeItemsList = query.getResultList(); + final String likeItems[] = new String[likeItemsList.size()]; + for (int i = 0; i < likeItemsList.size(); i++) { + likeItems[i] = likeItemsList.get(i) + .getItemName(); + } + session.close(); + return likeItems; + } + + // Case sensitive search + public String[] likeCaseCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + cr.select(root) + .where(cb.like(cb.lower(root.get("itemName")), "%chair%")); + // cr.add(Restrictions.ilike("itemName", "%Chair%")); + Query query = session.createQuery(cr); + final List ilikeItemsList = query.getResultList(); + final String ilikeItems[] = new String[ilikeItemsList.size()]; + for (int i = 0; i < ilikeItemsList.size(); i++) { + ilikeItems[i] = ilikeItemsList.get(i) + .getItemName(); + } + session.close(); + return ilikeItems; + } + + // To get records having itemPrice in between 100 and 200 + public String[] betweenCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + cr.select(root) + .where(cb.between(root.get("itemPrice"), 100, 200)); + // cr.add(Restrictions.between("itemPrice", 100, 200)); + Query query = session.createQuery(cr); + final List betweenItemsList = query.getResultList(); + final String betweenItems[] = new String[betweenItemsList.size()]; + for (int i = 0; i < betweenItemsList.size(); i++) { + betweenItems[i] = betweenItemsList.get(i) + .getItemName(); + } + session.close(); + return betweenItems; + } + + // To check if the given property is null + public String[] nullCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + cr.select(root) + .where(cb.isNull(root.get("itemDescription"))); + // cr.add(Restrictions.isNull("itemDescription")); + Query query = session.createQuery(cr); + final List nullItemsList = query.getResultList(); + final String nullDescItems[] = new String[nullItemsList.size()]; + for (int i = 0; i < nullItemsList.size(); i++) { + nullDescItems[i] = nullItemsList.get(i) + .getItemName(); + } + session.close(); + return nullDescItems; + } + + // To check if the given property is not null + public String[] notNullCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + cr.select(root) + .where(cb.isNotNull(root.get("itemDescription"))); + // cr.add(Restrictions.isNotNull("itemDescription")); + Query query = session.createQuery(cr); + final List notNullItemsList = query.getResultList(); + final String notNullDescItems[] = new String[notNullItemsList.size()]; + for (int i = 0; i < notNullItemsList.size(); i++) { + notNullDescItems[i] = notNullItemsList.get(i) + .getItemName(); + } + session.close(); + return notNullDescItems; + } + + // Adding more than one expression in one cr + public String[] twoCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + Predicate[] predicates = new Predicate[2]; + predicates[0] = cb.isNull(root.get("itemDescription")); + predicates[1] = cb.like(root.get("itemName"), "chair%"); + cr.select(root) + .where(predicates); + // cr.add(Restrictions.isNull("itemDescription")); + // cr.add(Restrictions.like("itemName", "chair%")); + Query query = session.createQuery(cr); + final List notNullItemsList = query.getResultList(); + final String notNullDescItems[] = new String[notNullItemsList.size()]; + for (int i = 0; i < notNullItemsList.size(); i++) { + notNullDescItems[i] = notNullItemsList.get(i) + .getItemName(); + } + session.close(); + return notNullDescItems; + } + + // To get items matching with the above defined conditions joined + // with Logical AND + public String[] andLogicalCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + Predicate greaterThanPrice = cb.gt(root.get("itemPrice"), 1000); + Predicate chairItems = cb.like(root.get("itemName"), "Chair%"); + cr.select(root) + .where(cb.and(greaterThanPrice, chairItems)); + // final Criterion greaterThanPrice = Restrictions.gt("itemPrice", 1000); + // final Criterion chairItems = Restrictions.like("itemName", "Chair%"); + // final LogicalExpression andExample = Restrictions.and(greaterThanPrice, chairItems); + // cr.add(andExample); + Query query = session.createQuery(cr); + final List andItemsList = query.getResultList(); + final String andItems[] = new String[andItemsList.size()]; + for (int i = 0; i < andItemsList.size(); i++) { + andItems[i] = andItemsList.get(i) + .getItemName(); + } + session.close(); + return andItems; + } + + // To get items matching with the above defined conditions joined + // with Logical OR + public String[] orLogicalCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + Predicate greaterThanPrice = cb.gt(root.get("itemPrice"), 1000); + Predicate chairItems = cb.like(root.get("itemName"), "Chair%"); + cr.select(root) + .where(cb.or(greaterThanPrice, chairItems)); + Query query = session.createQuery(cr); + final List orItemsList = query.getResultList(); + final String orItems[] = new String[orItemsList.size()]; + for (int i = 0; i < orItemsList.size(); i++) { + orItems[i] = orItemsList.get(i) + .getItemName(); + } + session.close(); + return orItems; + } + + // Sorting example + public String[] sortingCriteria() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Item.class); + final Root root = cr.from(Item.class); + cr.select(root); + cr.orderBy(cb.asc(root.get("itemName")), cb.desc(root.get("itemPrice"))); + // cr.addOrder(Order.asc("itemName")); + // cr.addOrder(Order.desc("itemPrice")).list(); + Query query = session.createQuery(cr); + final List sortedItemsList = query.getResultList(); + final String sortedItems[] = new String[sortedItemsList.size()]; + for (int i = 0; i < sortedItemsList.size(); i++) { + sortedItems[i] = sortedItemsList.get(i) + .getItemName(); + } + session.close(); + return sortedItems; + } + + // Set projections Row Count + public Long[] projectionRowCount() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Long.class); + final Root root = cr.from(Item.class); + cr.select(cb.count(root)); + Query query = session.createQuery(cr); + final List itemProjected = query.getResultList(); + // session.createCriteria(Item.class).setProjection(Projections.rowCount()).list(); + final Long projectedRowCount[] = new Long[itemProjected.size()]; + for (int i = 0; i < itemProjected.size(); i++) { + projectedRowCount[i] = itemProjected.get(i); + } + session.close(); + return projectedRowCount; + } + + // Set projections average of itemPrice + public Double[] projectionAverage() { + final Session session = HibernateUtil.getHibernateSession(); + final CriteriaBuilder cb = session.getCriteriaBuilder(); + final CriteriaQuery cr = cb.createQuery(Double.class); + final Root root = cr.from(Item.class); + cr.select(cb.avg(root.get("itemPrice"))); + Query query = session.createQuery(cr); + final List avgItemPriceList = query.getResultList(); + // session.createCriteria(Item.class).setProjection(Projections.projectionList().add(Projections.avg("itemPrice"))).list(); + + final Double avgItemPrice[] = new Double[avgItemPriceList.size()]; + for (int i = 0; i < avgItemPriceList.size(); i++) { + avgItemPrice[i] = (Double) avgItemPriceList.get(i); + } + session.close(); + return avgItemPrice; + } + +} diff --git a/persistence-modules/spring-hibernate-5/src/main/resources/import.sql b/persistence-modules/spring-hibernate-5/src/main/resources/import.sql new file mode 100644 index 0000000000..ae008f29bc --- /dev/null +++ b/persistence-modules/spring-hibernate-5/src/main/resources/import.sql @@ -0,0 +1,31 @@ +insert into item (item_id, item_name, item_desc, item_price) +values(1,'item One', 'test 1', 35.12); + +insert into item (item_id, item_name, item_desc, item_price) +values(2,'Pogo stick', 'Pogo stick', 466.12); +insert into item (item_id, item_name, item_desc, item_price) +values(3,'Raft', 'Raft', 345.12); + +insert into item (item_id, item_name, item_desc, item_price) +values(4,'Skate Board', 'Skating', 135.71); + +insert into item (item_id, item_name, item_desc, item_price) +values(5,'Umbrella', 'Umbrella for Rain', 619.25); + +insert into item (item_id, item_name, item_desc, item_price) +values(6,'Glue', 'Glue for home', 432.73); + +insert into item (item_id, item_name, item_desc, item_price) +values(7,'Paint', 'Paint for Room', 1311.40); + +insert into item (item_id, item_name, item_desc, item_price) +values(8,'Red paint', 'Red paint for room', 1135.71); + +insert into item (item_id, item_name, item_desc, item_price) +values(9,'Household Chairs', 'Chairs for house', 25.71); + +insert into item (item_id, item_name, item_desc, item_price) +values(10,'Office Chairs', 'Chairs for office', 395.98); + +insert into item (item_id, item_name, item_desc, item_price) +values(11,'Outdoor Chairs', 'Chairs for outdoor activities', 1234.36); diff --git a/spring-hibernate4/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaIntegrationTest.java b/persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaIntegrationTest.java similarity index 99% rename from spring-hibernate4/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaIntegrationTest.java rename to persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaIntegrationTest.java index 2275bf14f2..723b097305 100644 --- a/spring-hibernate4/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaIntegrationTest.java +++ b/persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaIntegrationTest.java @@ -43,7 +43,6 @@ public class HibernateCriteriaIntegrationTest { } session.close(); assertArrayEquals(expectedChairCaseItems, av.likeCaseCriteria()); - } @Test diff --git a/spring-hibernate4/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaTestRunner.java b/persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaTestRunner.java similarity index 100% rename from spring-hibernate4/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaTestRunner.java rename to persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaTestRunner.java diff --git a/spring-hibernate4/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaTestSuite.java b/persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaTestSuite.java similarity index 100% rename from spring-hibernate4/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaTestSuite.java rename to persistence-modules/spring-hibernate-5/src/test/java/com/baeldung/hibernate/criteria/HibernateCriteriaTestSuite.java diff --git a/spring-hibernate4/src/test/resources/com/baeldung/hibernate/criteria/model/Item.hbm.xml b/persistence-modules/spring-hibernate-5/src/test/resources/com/baeldung/hibernate/criteria/model/Item.hbm.xml similarity index 100% rename from spring-hibernate4/src/test/resources/com/baeldung/hibernate/criteria/model/Item.hbm.xml rename to persistence-modules/spring-hibernate-5/src/test/resources/com/baeldung/hibernate/criteria/model/Item.hbm.xml diff --git a/spring-hibernate4/src/test/resources/criteria.cfg.xml b/persistence-modules/spring-hibernate-5/src/test/resources/criteria.cfg.xml similarity index 85% rename from spring-hibernate4/src/test/resources/criteria.cfg.xml rename to persistence-modules/spring-hibernate-5/src/test/resources/criteria.cfg.xml index 726e9acb3f..bc4fed9680 100644 --- a/spring-hibernate4/src/test/resources/criteria.cfg.xml +++ b/persistence-modules/spring-hibernate-5/src/test/resources/criteria.cfg.xml @@ -10,8 +10,8 @@ sa org.hibernate.dialect.H2Dialect - update - true + create-drop + false \ No newline at end of file diff --git a/persistence-modules/spring-hibernate-5/src/test/resources/import.sql b/persistence-modules/spring-hibernate-5/src/test/resources/import.sql new file mode 100644 index 0000000000..087d62d331 --- /dev/null +++ b/persistence-modules/spring-hibernate-5/src/test/resources/import.sql @@ -0,0 +1,21 @@ +insert into item (item_id, item_name, item_desc, item_price) values(1,'item One', 'test 1', 35.12); + +insert into item (item_id, item_name, item_desc, item_price) values(2,'Pogo stick', 'Pogo stick', 466.12); + +insert into item (item_id, item_name, item_desc, item_price) values(3,'Raft', 'Raft', 345.12); + +insert into item (item_id, item_name, item_desc, item_price) values(4,'Skate Board', 'Skating', 135.71); + +insert into item (item_id, item_name, item_desc, item_price) values(5,'Umbrella', 'Umbrella for Rain', 619.25); + +insert into item (item_id, item_name, item_desc, item_price) values(6,'Glue', 'Glue for home', 432.73); + +insert into item (item_id, item_name, item_desc, item_price) values(7,'Paint', 'Paint for Room', 1311.40); + +insert into item (item_id, item_name, item_desc, item_price) values(8,'Red paint', 'Red paint for room', 1135.71); + +insert into item (item_id, item_name, item_desc, item_price) values(9,'Household Chairs', 'Chairs for house', 25.71); + +insert into item (item_id, item_name, item_desc, item_price) values(10,'Office Chairs', 'Chairs for office', 395.98); + +insert into item (item_id, item_name, item_desc, item_price) values(11,'Outdoor Chairs', 'Chairs for outdoor activities', 1234.36); diff --git a/spring-hibernate4/src/main/java/com/baeldung/hibernate/criteria/view/ApplicationView.java b/spring-hibernate4/src/main/java/com/baeldung/hibernate/criteria/view/ApplicationView.java deleted file mode 100644 index 83e3c2f9a5..0000000000 --- a/spring-hibernate4/src/main/java/com/baeldung/hibernate/criteria/view/ApplicationView.java +++ /dev/null @@ -1,251 +0,0 @@ -/** - * ApplicationViewer is the class that starts the application - * First it creates the session object and then creates the - * criteria query. - * - * @author Pritam Banerjee - * @version 1.0 - * @since 07/20/2016 - */ - -package com.baeldung.hibernate.criteria.view; - -import java.util.List; - -import org.hibernate.Criteria; -import org.hibernate.Session; -import org.hibernate.Transaction; -import org.hibernate.criterion.Criterion; -import org.hibernate.criterion.LogicalExpression; -import org.hibernate.criterion.Order; -import org.hibernate.criterion.Projections; -import org.hibernate.criterion.Restrictions; - -import com.baeldung.hibernate.criteria.model.Item; -import com.baeldung.hibernate.criteria.util.HibernateUtil; - -public class ApplicationView { - - // default Constructor - public ApplicationView() { - - } - - public boolean checkIfCriteriaTimeLower() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - Transaction tx = null; - - // calculate the time taken by criteria - final long startTimeCriteria = System.nanoTime(); - cr.add(Restrictions.like("itemName", "%item One%")); - final List results = cr.list(); - final long endTimeCriteria = System.nanoTime(); - final long durationCriteria = (endTimeCriteria - startTimeCriteria) / 1000; - - // calculate the time taken by HQL - final long startTimeHQL = System.nanoTime(); - tx = session.beginTransaction(); - final List items = session.createQuery("FROM Item where itemName like '%item One%'").list(); - final long endTimeHQL = System.nanoTime(); - final long durationHQL = (endTimeHQL - startTimeHQL) / 1000; - - if (durationCriteria > durationHQL) { - return false; - } else { - return true; - } - } - - // To get items having price more than 1000 - public String[] greaterThanCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - cr.add(Restrictions.gt("itemPrice", 1000)); - final List greaterThanItemsList = cr.list(); - final String greaterThanItems[] = new String[greaterThanItemsList.size()]; - for (int i = 0; i < greaterThanItemsList.size(); i++) { - greaterThanItems[i] = greaterThanItemsList.get(i).getItemName(); - } - session.close(); - return greaterThanItems; - } - - // To get items having price less than 1000 - public String[] lessThanCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - cr.add(Restrictions.lt("itemPrice", 1000)); - final List lessThanItemsList = cr.list(); - final String lessThanItems[] = new String[lessThanItemsList.size()]; - for (int i = 0; i < lessThanItemsList.size(); i++) { - lessThanItems[i] = lessThanItemsList.get(i).getItemName(); - } - session.close(); - return lessThanItems; - } - - // To get items whose Name start with Chair - public String[] likeCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - - final Criteria cr = session.createCriteria(Item.class); - cr.add(Restrictions.like("itemName", "%chair%")); - final List likeItemsList = cr.list(); - final String likeItems[] = new String[likeItemsList.size()]; - for (int i = 0; i < likeItemsList.size(); i++) { - likeItems[i] = likeItemsList.get(i).getItemName(); - } - session.close(); - return likeItems; - } - - // Case sensitive search - public String[] likeCaseCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - cr.add(Restrictions.ilike("itemName", "%Chair%")); - final List ilikeItemsList = cr.list(); - final String ilikeItems[] = new String[ilikeItemsList.size()]; - for (int i = 0; i < ilikeItemsList.size(); i++) { - ilikeItems[i] = ilikeItemsList.get(i).getItemName(); - } - session.close(); - return ilikeItems; - } - - // To get records having itemPrice in between 100 and 200 - public String[] betweenCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - // To get items having price more than 1000 - cr.add(Restrictions.between("itemPrice", 100, 200)); - final List betweenItemsList = cr.list(); - final String betweenItems[] = new String[betweenItemsList.size()]; - for (int i = 0; i < betweenItemsList.size(); i++) { - betweenItems[i] = betweenItemsList.get(i).getItemName(); - } - session.close(); - return betweenItems; - } - - // To check if the given property is null - public String[] nullCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - cr.add(Restrictions.isNull("itemDescription")); - final List nullItemsList = cr.list(); - final String nullDescItems[] = new String[nullItemsList.size()]; - for (int i = 0; i < nullItemsList.size(); i++) { - nullDescItems[i] = nullItemsList.get(i).getItemName(); - } - session.close(); - return nullDescItems; - } - - // To check if the given property is not null - public String[] notNullCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - cr.add(Restrictions.isNotNull("itemDescription")); - final List notNullItemsList = cr.list(); - final String notNullDescItems[] = new String[notNullItemsList.size()]; - for (int i = 0; i < notNullItemsList.size(); i++) { - notNullDescItems[i] = notNullItemsList.get(i).getItemName(); - } - session.close(); - return notNullDescItems; - } - - // Adding more than one expression in one cr - public String[] twoCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - cr.add(Restrictions.isNull("itemDescription")); - cr.add(Restrictions.like("itemName", "chair%")); - final List notNullItemsList = cr.list(); - final String notNullDescItems[] = new String[notNullItemsList.size()]; - for (int i = 0; i < notNullItemsList.size(); i++) { - notNullDescItems[i] = notNullItemsList.get(i).getItemName(); - } - session.close(); - return notNullDescItems; - } - - // To get items matching with the above defined conditions joined - // with Logical AND - public String[] andLogicalCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - final Criterion greaterThanPrice = Restrictions.gt("itemPrice", 1000); - final Criterion chairItems = Restrictions.like("itemName", "Chair%"); - final LogicalExpression andExample = Restrictions.and(greaterThanPrice, chairItems); - cr.add(andExample); - final List andItemsList = cr.list(); - final String andItems[] = new String[andItemsList.size()]; - for (int i = 0; i < andItemsList.size(); i++) { - andItems[i] = andItemsList.get(i).getItemName(); - } - session.close(); - return andItems; - } - - // To get items matching with the above defined conditions joined - // with Logical OR - public String[] orLogicalCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - final Criterion greaterThanPrice = Restrictions.gt("itemPrice", 1000); - final Criterion chairItems = Restrictions.like("itemName", "Chair%"); - final LogicalExpression orExample = Restrictions.or(greaterThanPrice, chairItems); - cr.add(orExample); - final List orItemsList = cr.list(); - final String orItems[] = new String[orItemsList.size()]; - for (int i = 0; i < orItemsList.size(); i++) { - orItems[i] = orItemsList.get(i).getItemName(); - } - session.close(); - return orItems; - } - - // Sorting example - public String[] sortingCriteria() { - final Session session = HibernateUtil.getHibernateSession(); - final Criteria cr = session.createCriteria(Item.class); - cr.addOrder(Order.asc("itemName")); - cr.addOrder(Order.desc("itemPrice")).list(); - final List sortedItemsList = cr.list(); - final String sortedItems[] = new String[sortedItemsList.size()]; - for (int i = 0; i < sortedItemsList.size(); i++) { - sortedItems[i] = sortedItemsList.get(i).getItemName(); - } - session.close(); - return sortedItems; - } - - // Set projections Row Count - public Long[] projectionRowCount() { - final Session session = HibernateUtil.getHibernateSession(); - final List itemProjected = session.createCriteria(Item.class).setProjection(Projections.rowCount()).list(); - final Long projectedRowCount[] = new Long[itemProjected.size()]; - for (int i = 0; i < itemProjected.size(); i++) { - projectedRowCount[i] = itemProjected.get(i); - } - session.close(); - return projectedRowCount; - } - - // Set projections average of itemPrice - public Double[] projectionAverage() { - final Session session = HibernateUtil.getHibernateSession(); - final List avgItemPriceList = session.createCriteria(Item.class).setProjection(Projections.projectionList().add(Projections.avg("itemPrice"))).list(); - - final Double avgItemPrice[] = new Double[avgItemPriceList.size()]; - for (int i = 0; i < avgItemPriceList.size(); i++) { - avgItemPrice[i] = (Double) avgItemPriceList.get(i); - } - session.close(); - return avgItemPrice; - } - -} diff --git a/spring-hibernate4/src/main/resources/criteria.cfg.xml b/spring-hibernate4/src/main/resources/criteria.cfg.xml deleted file mode 100644 index a39a32e151..0000000000 --- a/spring-hibernate4/src/main/resources/criteria.cfg.xml +++ /dev/null @@ -1,17 +0,0 @@ - - - - - - - com.mysql.jdbc.Driver - jdbc:mysql://localhost:3306/test - root - iamtheking - org.hibernate.dialect.MySQLDialect - true - - - \ No newline at end of file diff --git a/spring-hibernate4/src/main/resources/criteria_create_queries.sql b/spring-hibernate4/src/main/resources/criteria_create_queries.sql deleted file mode 100644 index 3a627dd38c..0000000000 --- a/spring-hibernate4/src/main/resources/criteria_create_queries.sql +++ /dev/null @@ -1,7 +0,0 @@ -CREATE TABLE `item` ( - `ITEM_ID` int(11) NOT NULL AUTO_INCREMENT, - `ITEM_DESC` varchar(100) DEFAULT NULL, - `ITEM_PRICE` int(11) NOT NULL, - `ITEM_NAME` varchar(255) NOT NULL, - PRIMARY KEY (`ITEM_ID`) -) ENGINE=InnoDB AUTO_INCREMENT=12 DEFAULT CHARSET=latin1;