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Java > Open Source Codes > org > apache > cayenne > dba > oracle > OracleActionBuilder


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19
20 package org.apache.cayenne.dba.oracle;
21
22 import org.apache.cayenne.dba.DbAdapter;
23 import org.apache.cayenne.dba.JdbcActionBuilder;
24 import org.apache.cayenne.map.EntityResolver;
25 import org.apache.cayenne.query.BatchQuery;
26 import org.apache.cayenne.query.ProcedureQuery;
27 import org.apache.cayenne.query.SQLAction;
28 import org.apache.cayenne.query.SelectQuery;
29
30 /**
31  * @since 1.2
32  * @author Andrus Adamchik
33  */
34 class OracleActionBuilder extends JdbcActionBuilder {
35
36     OracleActionBuilder(DbAdapter adapter, EntityResolver resolver) {
37         super(adapter, resolver);
38     }
39
40     public SQLAction batchAction(BatchQuery query) {
41
42         // special handling for LOB updates
43 if (OracleAdapter.isSupportsOracleLOB() && OracleAdapter.updatesLOBColumns(query)) {
44             return new OracleLOBBatchAction(query, getAdapter());
45         }
46         else {
47
48             // optimistic locking is not supported in batches due to JDBC driver
49 // limitations
50 boolean useOptimisticLock = query.isUsingOptimisticLocking();
51             boolean runningAsBatch = !useOptimisticLock && adapter.supportsBatchUpdates();
52
53             OracleBatchAction action = new OracleBatchAction(
54                     query,
55                     getAdapter(),
56                     getEntityResolver());
57             action.setBatch(runningAsBatch);
58             return action;
59         }
60
61     }
62
63     public SQLAction procedureAction(ProcedureQuery query) {
64         return new OracleProcedureAction(query, getAdapter(), getEntityResolver());
65     }
66
67     public SQLAction objectSelectAction(SelectQuery query) {
68         return new OracleSelectAction(query, getAdapter(), getEntityResolver());
69     }
70 }
71
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