#919 - io.ebean package initial

src/main/java/io/ebeaninternal/server/transaction/ExplicitTransactionManager.java

@@ -0,0 +1,41 @@
+package io.ebeaninternal.server.transaction;
+
+import io.ebean.config.dbplatform.DatabasePlatform;
+import io.ebeaninternal.api.SpiTransaction;
+
+import java.sql.Connection;
+
+/**
+ * TransactionManager where the transactions start with explicit "begin" statement.
+ */
+public class ExplicitTransactionManager extends TransactionManager {
+
+  public ExplicitTransactionManager(TransactionManagerOptions options) {
+    super(options);
+  }
+
+  /**
+   * Create a ExplicitJdbcTransaction.
+   */
+  @Override
+  protected SpiTransaction createTransaction(boolean explicit, Connection c, long id) {
+
+    return new ExplicitJdbcTransaction(prefix + id, explicit, c, this);
+  }
+
+  /**
+   * Override the initialise of OnQueryOnly with the intention not to use CLOSE with ExplicitJdbcTransaction.
+   */
+  @Override
+  protected DatabasePlatform.OnQueryOnly initOnQueryOnly(DatabasePlatform.OnQueryOnly dbPlatformOnQueryOnly) {
+
+    // first check for a system property 'override'
+    String systemPropertyValue = System.getProperty("ebean.transaction.onqueryonly");
+    if (systemPropertyValue != null) {
+      return DatabasePlatform.OnQueryOnly.valueOf(systemPropertyValue.trim().toUpperCase());
+    }
+
+    // default to rollback if not defined on the platform
+    return dbPlatformOnQueryOnly == null ? DatabasePlatform.OnQueryOnly.ROLLBACK : dbPlatformOnQueryOnly;
+  }
+}