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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.persistence.query;
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import org.hibernate.Criteria;
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import org.hibernate.criterion.Order;
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import org.hibernate.criterion.ProjectionList;
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import org.hibernate.criterion.Property;
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import eu.etaxonomy.cdm.persistence.query.OrderHint.SortOrder;
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public class Grouping {
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private String associatedObject;
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private String associatedObjectAlias;
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private String propertyName;
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protected String name;
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private SortOrder order;
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public Grouping(String propertyPath, String name, String associatedObjectAlias, SortOrder order) {
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int pos;
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if((pos = propertyPath.indexOf('.', 0)) >= 0){
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this.associatedObject = propertyPath.substring(0, pos);
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this.propertyName = propertyPath.substring(pos + 1);
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} else {
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this.propertyName = propertyPath;
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}
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this.name = name;
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this.order = order;
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this.associatedObjectAlias = associatedObjectAlias;
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}
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protected void setPropertyName(String propertyName) {
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this.propertyName = propertyName;
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}
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public String getPropertyName() {
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return propertyName;
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}
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public String getAssociatedObj() {
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return associatedObject;
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}
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public String getAssociatedObjectAlias() {
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return associatedObjectAlias;
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}
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public String getName() {
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return name;
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}
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protected SortOrder getOrder() {
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return order;
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}
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public void addOrder(Criteria criteria) {
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if(order != null) {
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if(order.equals(SortOrder.ASCENDING)) {
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criteria.addOrder(Order.asc(this.name));
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} else {
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criteria.addOrder(Order.desc(this.name));
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}
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}
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}
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public void addProjection(ProjectionList projectionList) {
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if(associatedObjectAlias != null) {
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projectionList.add(Property.forName(associatedObjectAlias + "." + propertyName).group(),name);
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} else {
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projectionList.add(Property.forName(propertyName).group(),name);
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}
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}
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}
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