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1
23
24 package examples.invoice.persistclass;
25
26 import org.objectweb.jorm.naming.api.PBinder;
27 import org.objectweb.jorm.naming.api.PName;
28 import org.objectweb.jorm.facility.naming.polymorphid.PolymorphIdMgrRegistry;
29 import org.objectweb.jorm.facility.naming.polymorphid.PolymorphIdMgr;
30 import org.objectweb.jorm.facility.naming.polymorphid.PolymorphIdMgrImpl;
31 import org.objectweb.jorm.api.PMapper;
32 import org.objectweb.jorm.api.PException;
33 import org.objectweb.jorm.api.PClassMapping;
34 import org.objectweb.jorm.api.PMapCluster;
35 import org.objectweb.jorm.api.PBinding;
36 import org.objectweb.util.monolog.api.Logger;
37 import org.objectweb.util.monolog.api.LoggerFactory;
38
39 import java.util.HashMap  ;
40 import java.util.Iterator ;
41
42 import examples.invoice.applications.JormInit;
43
44
47 public class ProductHelper implements MapHelper {
48 public final static String CN = "examples.invoice.persistclass.Product";
49 private LoggerFactory loggerFactory;
50 private HashMap pobjMap = new HashMap ();
51
52
56 public void map(PMapper m, LoggerFactory lf, byte clact)
57 throws PException {
58 loggerFactory = lf;
59 Logger logger = loggerFactory.getLogger(CN);
60 PClassMapping pcm = m.lookup(CN);
62 if (pcm == null) {
64 PolymorphIdMgr pim = PolymorphIdMgrRegistry.getPolymorphIdMgr(m);
65 if (pim == null) {
66 pim = new PolymorphIdMgrImpl();
67 pim.init(m, clact);
68 PolymorphIdMgrRegistry.registerPolymorphIdMgr(pim);
69 }
70 PBinder binder = pim.getPBinder(CN);
71 try {
72 pcm = (PClassMapping) Class.forName(m.cn2mn(CN) + PMapper.PCLASSMAPPINGAPPENDER).newInstance();
73 } catch (Exception e) {
74 throw new PException("Cannot create PClassMapping (probably a ClassLoader problem).");
75 }
76 pcm.setPBinder(binder);
77 binder.setPClassMapping(pcm);
78 binder.setCacheManager(JormInit.getInstance().getCacheManager());
79 m.map(pcm);
80 }
81 PMapCluster cl = m.getPMapCluster(CN);
82 switch (clact) {
83 case PClassMapping.CREATE_STRUCTURE_IF_NEEDED:
84 cl.createMappingStructures(false);
85 break;
86 case PClassMapping.CLEANUP_REMOVEALL:
87 cl.deleteMappingStructures();
88 cl.createMappingStructures(false);
89 break;
90 case PClassMapping.CLEANUP_REMOVEDATA:
91 cl.deleteData();
92 break;
93 case PClassMapping.CLEANUP_DONOTHING:
94 break;
95 }
96 }
97
98
101 public Product getProduct(PMapper m, PName pn) throws PException {
102 Product res;
103 if (pn == null)
104 return null;
105 PClassMapping pcm = m.lookup(CN);
106 PBinding pb = pcm.getPBinder().lookup(pn);
107 if (pb == null) {
108 Object conn = m.getConnection();
109 try {
110 pb = pcm.createPBinding();
111 pb.bind(pn);
112 res = new Product(conn, pb);
113 pobjMap.put(pb, res);
114 m.closeConnection(conn);
115 } catch (PException pe) {
116 m.closeConnection(conn);
117 throw pe;
118 }
119 } else {
120 res = (Product) pobjMap.get(pb);
121 }
122 return res;
123 }
124
125
128 public Product createProduct(PMapper m, String n, char s, String c, float w, float p) throws PException {
129 Product res;
130 PBinding pb = m.lookup(CN).createPBinding();
131 Object conn = m.getConnection();
132 try {
133 res = new Product(conn, pb, n, s, c, w, p);
134 m.closeConnection(conn);
135 pobjMap.put(pb, res);
136 } catch (PException pe) {
137 pe.getNestedException().printStackTrace();
138 m.closeConnection(conn);
139 throw pe;
140 }
141 return res;
142 }
143
144
147 public boolean deleteProduct(PMapper m, String id) throws PException {
148 PName pn = m.lookup(CN).getPBinder().decodeString(id);
149 Product p = getProduct(m, pn);
150 if (p == null)
151 return false;
152 Object conn = m.getConnection();
153 try {
154 PBinding pb = p.getPBinding();
155 p.delete(conn);
156 m.closeConnection(conn);
157 pobjMap.remove(pb);
158 } catch (PException pe) {
159 m.closeConnection(conn);
160 throw pe;
161 }
162 return true;
163 }
164
165
168 public Iterator listProducts(PMapper m) throws PException {
169 Iterator res;
170 Object conn = m.getConnection();
171 try {
172 res = m.lookup(CN).getPNameIterator(conn);
173 m.closeConnection(conn);
174 } catch (PException pe) {
175 m.closeConnection(conn);
176 throw pe;
177 }
178 return res;
179 }
180 }
181 |
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