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23
24 package org.objectweb.jorm.mapper.rdb.metainfo;
25
26 import org.objectweb.jorm.api.PException;
27 import org.objectweb.jorm.metainfo.api.CommonClassMapping;
28 import org.objectweb.jorm.metainfo.api.MetaObject;
29 import org.objectweb.jorm.metainfo.api.PrimitiveElement;
30 import org.objectweb.jorm.metainfo.api.PrimitiveElementMapping;
31
32 import java.util.ArrayList  ;
33 import java.util.Collection ;
34 import java.util.Collections ;
35 import java.util.Iterator ;
36 import java.util.List ;
37
38
42 public class RdbExternalTable extends RdbTable {
43
44 List joins = null;
46
47
54
55 public RdbExternalTable(MetaObject parent, MetaObject linkedMO, String name) {
56 super(parent, linkedMO, name);
57 if (!(parent instanceof RdbMappingInfos)) {
58 throw new InternalError ("parent must implements the RdbMappingInfos");
59 }
60 joins = new ArrayList ();
61 }
62
63 public RdbJoin createRdbJoin(String jn) {
64 RdbJoin j = new RdbJoin(this, jn);
65 joins.add(j);
66 Collections.sort(joins);
68 return j;
69 }
70
71 public RdbJoin removeRdbJoin(String j) {
72 for (Iterator itJoin = joins.iterator(); itJoin.hasNext();) {
73 RdbJoin rdbJoin = (RdbJoin) itJoin.next();
74 if (rdbJoin.getName().equals(name)) {
75 itJoin.remove();
76 return rdbJoin;
77 }
78 }
79 return null;
80 }
81
82 public RdbJoin getRdbJoin(String name) {
83 for (Iterator itJoin = joins.iterator(); itJoin.hasNext();) {
84 RdbJoin rdbJoin = (RdbJoin) itJoin.next();
85 if (rdbJoin.getName().equals(name)) return rdbJoin;
86 }
87 return null;
88 }
89
90 public RdbTable getMainTable() {
91 return ((RdbMappingInfos) parent).getMainTable();
92 }
93
94 public Collection getRdbJoins() {
95 return joins;
96 }
97
98 public RdbPrimitiveElementMapping createPrimitiveElementMapping(
99 PrimitiveElement pe,
100 String columnName,
101 String sqlType,
102 boolean notNull,
103 RdbJoin join) throws PException {
104 RdbPrimitiveElementMapping pem = (RdbPrimitiveElementMapping)
105 colName2pem.get(columnName);
106 if (pem != null) {
107 PrimitiveElement p = pem.lookupPrimitiveElement(join);
108 if (p != null && p != pe) {
109 throw new PException("The column '" + columnName
110 + "' of the table '" + name + "' is already bound to"
111 + " another primitive element ("
112 + (p == null ? null : "'" + p.getName() + "'") + ")"
113 + " by the join '" + join.getName()
114 + "' than the specified (" + pe.getName() + ")");
115 }
116 pem.bindPrimitiveElement(join, pe);
117 if (pem.getType() == null && sqlType != null) {
118 pem.setType(sqlType);
119 }
120 pem.setIsNotNull(pem.isNotNull() || notNull);
121 }
122 RdbPrimitiveElementMapping pem2 = new RdbPrimitiveElementMapping(
123 columnName, sqlType, notNull, pe, this, join);
124 ((CommonClassMapping) getParent()).addPrimitiveElementMapping(pem2);
125 pem2.setLogger(getLogger());
126 pem2.setLoggerFactory(getLoggerFactory());
127 if (pem == null) {
128 colName2pem.put(columnName, pem2);
129 return pem2;
130 }
131 return pem;
132 }
133
134 public PrimitiveElementMapping getPrimitiveElementMappingByField(String fieldName) {
135 for (Iterator it = colName2pem.values().iterator(); it.hasNext();) {
136 RdbPrimitiveElementMapping pem =
137 (RdbPrimitiveElementMapping) it.next();
138 Iterator itPem = pem.getPrimitiveElementByRdbJoin().values().iterator();
139 while (itPem.hasNext()) {
140 PrimitiveElement pe = (PrimitiveElement) itPem.next();
141 if (pe.getName().equals(fieldName))
142 return pem;
143 }
144 }
145 return null;
146 }
147 }
148 |
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