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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.envers.query.criteria;
import java.util.Collection;
import org.hibernate.criterion.MatchMode;
import org.hibernate.envers.configuration.AuditConfiguration;
import org.hibernate.envers.query.order.AuditOrder;
import org.hibernate.envers.query.order.PropertyAuditOrder;
import org.hibernate.envers.query.projection.AuditProjection;
import org.hibernate.envers.query.projection.PropertyAuditProjection;
import org.hibernate.envers.query.property.ModifiedFlagPropertyName;
import org.hibernate.envers.query.property.PropertyNameGetter;
import org.hibernate.envers.tools.Triple;
/**
* Create restrictions, projections and specify order for a property of an audited entity.
* @author Adam Warski (adam at warski dot org)
* @author Michal Skowronek (mskowr at o2 dot pl)
*/
@SuppressWarnings({"JavaDoc"})
public class AuditProperty implements AuditProjection {
private final PropertyNameGetter propertyNameGetter;
public AuditProperty(PropertyNameGetter propertyNameGetter) {
this.propertyNameGetter = propertyNameGetter;
}
public AuditCriterion hasChanged() {
return new SimpleAuditExpression(new ModifiedFlagPropertyName(propertyNameGetter), true, "=");
}
public AuditCriterion hasNotChanged() {
return new SimpleAuditExpression(new ModifiedFlagPropertyName(propertyNameGetter), false, "=");
}
/**
* Apply an "equal" constraint
*/
public AuditCriterion eq(T value) {
return new SimpleAuditExpression(propertyNameGetter, value, "=");
}
/**
* Apply a "not equal" constraint
*/
public AuditCriterion ne(T value) {
return new SimpleAuditExpression(propertyNameGetter, value, "<>");
}
/**
* Apply a "like" constraint
*/
public AuditCriterion like(T value) {
return new SimpleAuditExpression(propertyNameGetter, value, " like ");
}
/**
* Apply a "like" constraint
*/
public AuditCriterion like(String value, MatchMode matchMode) {
return new SimpleAuditExpression(propertyNameGetter, matchMode.toMatchString(value), " like " );
}
/**
* Apply a "greater than" constraint
*/
public AuditCriterion gt(T value) {
return new SimpleAuditExpression(propertyNameGetter, value, ">");
}
/**
* Apply a "less than" constraint
*/
public AuditCriterion lt(T value) {
return new SimpleAuditExpression(propertyNameGetter, value, "<");
}
/**
* Apply a "less than or equal" constraint
*/
public AuditCriterion le(T value) {
return new SimpleAuditExpression(propertyNameGetter, value, "<=");
}
/**
* Apply a "greater than or equal" constraint
*/
public AuditCriterion ge(T value) {
return new SimpleAuditExpression(propertyNameGetter, value, ">=");
}
/**
* Apply a "between" constraint
*/
public AuditCriterion between(T lo, T hi) {
return new BetweenAuditExpression(propertyNameGetter, lo, hi);
}
/**
* Apply an "in" constraint
*/
public AuditCriterion in(T[] values) {
return new InAuditExpression(propertyNameGetter, values);
}
/**
* Apply an "in" constraint
*/
public AuditCriterion in(Collection values) {
return new InAuditExpression(propertyNameGetter, values.toArray());
}
/**
* Apply an "is null" constraint
*/
public AuditCriterion isNull() {
return new NullAuditExpression(propertyNameGetter);
}
/**
* Apply an "equal" constraint to another property
*/
public AuditCriterion eqProperty(String otherPropertyName) {
return new PropertyAuditExpression(propertyNameGetter, otherPropertyName, "=");
}
/**
* Apply a "not equal" constraint to another property
*/
public AuditCriterion neProperty(String otherPropertyName) {
return new PropertyAuditExpression(propertyNameGetter, otherPropertyName, "<>");
}
/**
* Apply a "less than" constraint to another property
*/
public AuditCriterion ltProperty(String otherPropertyName) {
return new PropertyAuditExpression(propertyNameGetter, otherPropertyName, "<");
}
/**
* Apply a "less than or equal" constraint to another property
*/
public AuditCriterion leProperty(String otherPropertyName) {
return new PropertyAuditExpression(propertyNameGetter, otherPropertyName, "<=");
}
/**
* Apply a "greater than" constraint to another property
*/
public AuditCriterion gtProperty(String otherPropertyName) {
return new PropertyAuditExpression(propertyNameGetter, otherPropertyName, ">");
}
/**
* Apply a "greater than or equal" constraint to another property
*/
public AuditCriterion geProperty(String otherPropertyName) {
return new PropertyAuditExpression(propertyNameGetter, otherPropertyName, ">=");
}
/**
* Apply an "is not null" constraint to the another property
*/
public AuditCriterion isNotNull() {
return new NotNullAuditExpression(propertyNameGetter);
}
/**
* Apply a "maximalize" constraint, with the ability to specify further constraints on the maximized
* property
*/
public AggregatedAuditExpression maximize() {
return new AggregatedAuditExpression(propertyNameGetter,
AggregatedAuditExpression.AggregatedMode.MAX);
}
/**
* Apply a "minimize" constraint, with the ability to specify further constraints on the minimized
* property
*/
public AggregatedAuditExpression minimize() {
return new AggregatedAuditExpression(propertyNameGetter,
AggregatedAuditExpression.AggregatedMode.MIN);
}
// Projections
/**
* Projection on the maximum value
*/
public AuditProjection max() {
return new PropertyAuditProjection(propertyNameGetter, "max", false);
}
/**
* Projection on the minimum value
*/
public AuditProjection min() {
return new PropertyAuditProjection(propertyNameGetter, "min", false);
}
/**
* Projection counting the values
*/
public AuditProjection count() {
return new PropertyAuditProjection(propertyNameGetter, "count", false);
}
/**
* Projection counting distinct values
*/
public AuditProjection countDistinct() {
return new PropertyAuditProjection(propertyNameGetter, "count", true);
}
/**
* Projection on distinct values
*/
public AuditProjection distinct() {
return new PropertyAuditProjection(propertyNameGetter, null, true);
}
/**
* Projection using a custom function
*/
public AuditProjection function(String functionName) {
return new PropertyAuditProjection(propertyNameGetter, functionName, false);
}
// Projection on this property
public Triple getData(AuditConfiguration auditCfg) {
return Triple.make(null, propertyNameGetter.get(auditCfg), false);
}
// Order
/**
* Sort the results by the property in ascending order
*/
public AuditOrder asc() {
return new PropertyAuditOrder(propertyNameGetter, true);
}
/**
* Sort the results by the property in descending order
*/
public AuditOrder desc() {
return new PropertyAuditOrder(propertyNameGetter, false);
}
}
