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1
23
24 package org.hammurapi.results.persistent.jdbc;
25
26 import java.sql.SQLException  ;
27 import java.util.ArrayList ;
28 import java.util.Collection ;
29
30 import org.hammurapi.HammurapiRuntimeException;
31 import org.hammurapi.WaiverSet;
32 import org.hammurapi.results.AggregatedResults;
33
34 import com.pavelvlasov.convert.Converter;
35 import com.pavelvlasov.util.ConvertingCollection;
36
37
42 public class CompositeResults extends DetailedResults implements org.hammurapi.results.CompositeResults {
43 public CompositeResults(int id, ResultsFactory factory) throws SQLException {
44 super(id, factory);
45 }
46
47 private Collection children;
48
49 public Collection getChildren() {
50 if (children==null) {
51 try {
52 Collection childrenKeys=factory.getResultsEngine().getResultChildren(getId(),new ArrayList ());
53
54 children=new ConvertingCollection(
55 childrenKeys,
56 new Converter() {
57 public Object convert(Object source) {
58 return factory.getResult(source);
59 }
60 },
61 new Converter() {
62 public Object convert(Object source) {
63 return new Integer (((BasicResults) source).getId());
64 }
65 });
66 } catch (SQLException e) {
67 throw new HammurapiRuntimeException(e);
68 }
69 }
70 return children;
71 }
72
73 public void add(AggregatedResults child) {
74 aggregate(child);
75 children=null;
76 }
77
78 CompositeResults(String name, WaiverSet waiverSet, ResultsFactory factory) throws SQLException {
79 super(name, waiverSet, factory);
80 }
81
82 public int size() {
83 try {
84 return factory.getResultsEngine().getCompositeResultSize(getId())-1;
85 } catch (SQLException e) {
86 throw new HammurapiRuntimeException(e);
87 }
88 }
89 }
90 |
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