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1 package org.hibernate.criterion;
3
4 import java.util.ArrayList  ;
5
6
7
8 import org.hibernate.Criteria;
9 import org.hibernate.EntityMode;
10 import org.hibernate.HibernateException;
11
12
13 import org.hibernate.engine.TypedValue;
14
15 import org.hibernate.type.AbstractComponentType;
16 import org.hibernate.type.Type;
17 import org.hibernate.util.StringHelper;
18
19
23 public class InExpression implements Criterion {
24
25 private final String propertyName;
26 private final Object [] values;
27
28 protected InExpression(String propertyName, Object [] values) {
29 this.propertyName = propertyName;
30 this.values = values;
31 }
32
33 public String toSqlString(Criteria criteria, CriteriaQuery criteriaQuery)
34 throws HibernateException {
35 String [] columns = criteriaQuery.getColumnsUsingProjection(criteria, propertyName);
36 String singleValueParam = StringHelper.repeat( "?, ", columns.length-1 ) + "?";
37 if ( columns.length>1 ) singleValueParam = '(' + singleValueParam + ')';
38 String params = values.length>0 ?
39 StringHelper.repeat( singleValueParam + ", ", values.length-1 ) + singleValueParam :
40 "";
41 String cols = StringHelper.join(", ", columns);
42 if ( columns.length>1 ) cols = '(' + cols + ')';
43 return cols + " in (" + params + ')';
44 }
45
46 public TypedValue[] getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery)
47 throws HibernateException {
48 ArrayList list = new ArrayList ();
49 Type type = criteriaQuery.getTypeUsingProjection(criteria, propertyName);
50 if ( type.isComponentType() ) {
51 AbstractComponentType actype = (AbstractComponentType) type;
52 Type[] types = actype.getSubtypes();
53 for ( int i=0; i<types.length; i++ ) {
54 for ( int j=0; j<values.length; j++ ) {
55 Object subval = values[j]==null ?
56 null :
57 actype.getPropertyValues( values[j], EntityMode.POJO )[i];
58 list.add( new TypedValue( types[i], subval, EntityMode.POJO ) );
59 }
60 }
61 }
62 else {
63 for ( int j=0; j<values.length; j++ ) {
64 list.add( new TypedValue( type, values[j], EntityMode.POJO ) );
65 }
66 }
67 return (TypedValue[]) list.toArray( new TypedValue[ list.size() ] );
68 }
69
70 public String toString() {
71 return propertyName + " in (" + StringHelper.toString(values) + ')';
72 }
73
74 }
75 |
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