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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.envers.query.criteria;
import java.util.Collection;
import org.hibernate.envers.boot.internal.EnversService;
import org.hibernate.envers.internal.entities.EntityInstantiator;
import org.hibernate.envers.query.criteria.internal.BetweenAuditExpression;
import org.hibernate.envers.query.criteria.internal.IlikeAuditExpression;
import org.hibernate.envers.query.criteria.internal.InAuditExpression;
import org.hibernate.envers.query.criteria.internal.NotNullAuditExpression;
import org.hibernate.envers.query.criteria.internal.NullAuditExpression;
import org.hibernate.envers.query.criteria.internal.PropertyAuditExpression;
import org.hibernate.envers.query.criteria.internal.SimpleAuditExpression;
import org.hibernate.envers.query.internal.property.ModifiedFlagPropertyName;
import org.hibernate.envers.query.internal.property.PropertyNameGetter;
import org.hibernate.envers.query.order.AuditOrder;
import org.hibernate.envers.query.order.internal.PropertyAuditOrder;
import org.hibernate.envers.query.projection.AuditProjection;
import org.hibernate.envers.query.projection.internal.PropertyAuditProjection;
/**
* 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 String alias;
private final PropertyNameGetter propertyNameGetter;
public AuditProperty(String alias, PropertyNameGetter propertyNameGetter) {
this.alias = alias;
this.propertyNameGetter = propertyNameGetter;
}
public AuditCriterion hasChanged() {
return new SimpleAuditExpression( alias, new ModifiedFlagPropertyName( propertyNameGetter ), true, "=" );
}
public AuditCriterion hasNotChanged() {
return new SimpleAuditExpression( alias, new ModifiedFlagPropertyName( propertyNameGetter ), false, "=" );
}
/**
* Apply an "equal" constraint
*/
public AuditCriterion eq(T value) {
return new SimpleAuditExpression( alias, propertyNameGetter, value, "=" );
}
/**
* Apply a "not equal" constraint
*/
public AuditCriterion ne(T value) {
return new SimpleAuditExpression( alias, propertyNameGetter, value, "<>" );
}
/**
* Apply a "like" constraint
*/
public AuditCriterion like(T value) {
return new SimpleAuditExpression( alias, propertyNameGetter, value, " like " );
}
/**
* Apply a "like" constraint
*
* @deprecated since 5.2, use {@link #like(String, MatchMode)}.
*/
@Deprecated
public AuditCriterion like(String value, org.hibernate.criterion.MatchMode matchMode) {
return new SimpleAuditExpression( alias, propertyNameGetter, matchMode.toMatchString( value ), " like" );
}
/**
* Apply a "like" constraint
*/
public AuditCriterion like(String value, MatchMode matchMode) {
return new SimpleAuditExpression( alias, propertyNameGetter, matchMode.toMatchString( value ), " like " );
}
/**
* Apply an "ilike" constraint
*/
public AuditCriterion ilike(T value) {
return new IlikeAuditExpression( alias, propertyNameGetter, value.toString() );
}
/**
* Apply an "ilike" constraint
*
* @deprecated since 5.2, use {@link #ilike(String, MatchMode)}.
*/
@Deprecated
public AuditCriterion ilike(String value, org.hibernate.criterion.MatchMode matchMode) {
return new IlikeAuditExpression( alias, propertyNameGetter, matchMode.toMatchString( value ) );
}
/**
* Apply on "ilike" constraint
*/
public AuditCriterion ilike(String value, MatchMode matchMode) {
return new IlikeAuditExpression( alias, propertyNameGetter, matchMode.toMatchString( value ) );
}
/**
* Apply a "greater than" constraint
*/
public AuditCriterion gt(T value) {
return new SimpleAuditExpression( alias, propertyNameGetter, value, ">" );
}
/**
* Apply a "less than" constraint
*/
public AuditCriterion lt(T value) {
return new SimpleAuditExpression( alias, propertyNameGetter, value, "<" );
}
/**
* Apply a "less than or equal" constraint
*/
public AuditCriterion le(T value) {
return new SimpleAuditExpression( alias, propertyNameGetter, value, "<=" );
}
/**
* Apply a "greater than or equal" constraint
*/
public AuditCriterion ge(T value) {
return new SimpleAuditExpression( alias, propertyNameGetter, value, ">=" );
}
/**
* Apply a "between" constraint
*/
public AuditCriterion between(T lo, T hi) {
return new BetweenAuditExpression( alias, propertyNameGetter, lo, hi );
}
/**
* Apply an "in" constraint
*/
public AuditCriterion in(T[] values) {
return new InAuditExpression( alias, propertyNameGetter, values );
}
/**
* Apply an "in" constraint
*/
public AuditCriterion in(Collection values) {
return new InAuditExpression( alias, propertyNameGetter, values.toArray() );
}
/**
* Apply an "is null" constraint
*/
public AuditCriterion isNull() {
return new NullAuditExpression( alias, propertyNameGetter );
}
/**
* Apply an "equal" constraint to another property
*/
public AuditCriterion eqProperty(String otherPropertyName) {
/*
* We provide alias as otherAlias rather than null, because this seems the intuitive use case.
* E.g. if the user calls AuditEntity.property( "alias", "prop" ).eqProperty( "otherProp" )
* it is assumed that the otherProp is on the same entity as prop and therefore we have to use
* the same alias.
*/
return eqProperty( alias, otherPropertyName );
}
/**
* Apply an "equal" constraint to another property
*
* @param otherAlias the alias of the entity which owns the other property.
*/
public AuditCriterion eqProperty(String otherAlias, String otherPropertyName) {
return new PropertyAuditExpression( alias, propertyNameGetter, otherAlias, otherPropertyName, "=" );
}
/**
* Apply a "not equal" constraint to another property
*/
public AuditCriterion neProperty(String otherPropertyName) {
/*
* We provide alias as otherAlias rather than null, because this seems the intuitive use case.
* E.g. if the user calls AuditEntity.property( "alias", "prop" ).neProperty( "otherProp" )
* it is assumed that the otherProp is on the same entity as prop and therefore we have to use
* the same alias.
*/
return neProperty( alias, otherPropertyName );
}
/**
* Apply a "not equal" constraint to another property
*
* @param otherAlias the alias of the entity which owns the other property.
*/
public AuditCriterion neProperty(String otherAlias, String otherPropertyName) {
return new PropertyAuditExpression( alias, propertyNameGetter, otherAlias, otherPropertyName, "<>" );
}
/**
* Apply a "less than" constraint to another property
*/
public AuditCriterion ltProperty(String otherPropertyName) {
/*
* We provide alias as otherAlias rather than null, because this seems the intuitive use case.
* E.g. if the user calls AuditEntity.property( "alias", "prop" ).ltProperty( "otherProp" )
* it is assumed that the otherProp is on the same entity as prop and therefore we have to use
* the same alias.
*/
return ltProperty( alias, otherPropertyName );
}
/**
* Apply a "less than" constraint to another property
*
* @param otherAlias the alias of the entity which owns the other property.
*/
public AuditCriterion ltProperty(String otherAlias, String otherPropertyName) {
return new PropertyAuditExpression( alias, propertyNameGetter, otherAlias, otherPropertyName, "<" );
}
/**
* Apply a "less than or equal" constraint to another property
*/
public AuditCriterion leProperty(String otherPropertyName) {
/*
* We provide alias as otherAlias rather than null, because this seems the intuitive use case.
* E.g. if the user calls AuditEntity.property( "alias", "prop" ).leProperty( "otherProp" )
* it is assumed that the otherProp is on the same entity as prop and therefore we have to use
* the same alias.
*/
return leProperty( alias, otherPropertyName );
}
/**
* Apply a "less than or equal" constraint to another property
*
* @param otherAlias the alias of the entity which owns the other property.
*/
public AuditCriterion leProperty(String otherAlias, String otherPropertyName) {
return new PropertyAuditExpression( alias, propertyNameGetter, otherAlias, otherPropertyName, "<=" );
}
/**
* Apply a "greater than" constraint to another property
*/
public AuditCriterion gtProperty(String otherPropertyName) {
/*
* We provide alias as otherAlias rather than null, because this seems the intuitive use case.
* E.g. if the user calls AuditEntity.property( "alias", "prop" ).gtProperty( "otherProp" )
* it is assumed that the otherProp is on the same entity as prop and therefore we have to use
* the same alias.
*/
return gtProperty( alias, otherPropertyName );
}
/**
* Apply a "greater than" constraint to another property
*
* @param otherAlias the alias of the entity which owns the other property.
*/
public AuditCriterion gtProperty(String otherAlias, String otherPropertyName) {
return new PropertyAuditExpression( alias, propertyNameGetter, otherAlias, otherPropertyName, ">" );
}
/**
* Apply a "greater than or equal" constraint to another property
*/
public AuditCriterion geProperty(String otherPropertyName) {
/*
* We provide alias as otherAlias rather than null, because this seems the intuitive use case.
* E.g. if the user calls AuditEntity.property( "alias", "prop" ).geProperty( "otherProp" )
* it is assumed that the otherProp is on the same entity as prop and therefore we have to use
* the same alias.
*/
return geProperty( alias, otherPropertyName );
}
/**
* Apply a "greater than or equal" constraint to another property
*
* @param otherAlias the alias of the entity which owns the other property.
*/
public AuditCriterion geProperty(String otherAlias, String otherPropertyName) {
return new PropertyAuditExpression( alias, propertyNameGetter, otherAlias, otherPropertyName, ">=" );
}
/**
* Apply an "is not null" constraint to the another property
*/
public AuditCriterion isNotNull() {
return new NotNullAuditExpression( alias, propertyNameGetter );
}
/**
* Apply a "maximalize" constraint, with the ability to specify further constraints on the maximized
* property
*/
public AggregatedAuditExpression maximize() {
return new AggregatedAuditExpression( alias, 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( alias, propertyNameGetter, AggregatedAuditExpression.AggregatedMode.MIN );
}
// Projections
/**
* Projection on the maximum value
*/
public AuditProjection max() {
return new PropertyAuditProjection( alias, propertyNameGetter, "max", false );
}
/**
* Projection on the minimum value
*/
public AuditProjection min() {
return new PropertyAuditProjection( alias, propertyNameGetter, "min", false );
}
/**
* Projection counting the values
*/
public AuditProjection count() {
return new PropertyAuditProjection( alias, propertyNameGetter, "count", false );
}
/**
* Projection counting distinct values
*/
public AuditProjection countDistinct() {
return new PropertyAuditProjection( alias, propertyNameGetter, "count", true );
}
/**
* Projection on distinct values
*/
public AuditProjection distinct() {
return new PropertyAuditProjection( alias, propertyNameGetter, null, true );
}
/**
* Projection using a custom function
*/
public AuditProjection function(String functionName) {
return new PropertyAuditProjection( alias, propertyNameGetter, functionName, false );
}
// Projection on this property
public ProjectionData getData(EnversService enversService) {
return new ProjectionData( null, alias, propertyNameGetter.get( enversService ), false );
}
// Order
/**
* Sort the results by the property in ascending order
*/
public AuditOrder asc() {
return new PropertyAuditOrder( alias, propertyNameGetter, true );
}
/**
* Sort the results by the property in descending order
*/
public AuditOrder desc() {
return new PropertyAuditOrder( alias, propertyNameGetter, false );
}
@Override
public Object convertQueryResult(EnversService enversService, EntityInstantiator entityInstantiator, String entityName, Number revision, Object value) {
return value;
}
}
