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jhoellerjhoeller
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Removed deprecated JdoTemplate and JdoInterceptor classes; formally requiring JDO 3.0+ now
1 parent cc0ea4a commit 7ceb022

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-2695
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‎spring-orm/src/main/java/org/springframework/orm/jdo/DefaultJdoDialect.java‎

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@@ -16,43 +16,35 @@
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package org.springframework.orm.jdo;
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import java.lang.reflect.Method;
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import java.sql.Connection;
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import java.sql.SQLException;
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import javax.jdo.Constants;
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import javax.jdo.JDOException;
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import javax.jdo.PersistenceManager;
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import javax.jdo.Query;
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import javax.jdo.Transaction;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.dao.DataAccessException;
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import org.springframework.dao.support.PersistenceExceptionTranslator;
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import org.springframework.jdbc.datasource.ConnectionHandle;
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import org.springframework.jdbc.support.JdbcUtils;
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import org.springframework.jdbc.support.SQLExceptionTranslator;
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import org.springframework.transaction.TransactionDefinition;
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import org.springframework.transaction.TransactionException;
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import org.springframework.util.ClassUtils;
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import org.springframework.util.ReflectionUtils;
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/**
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* Default implementation of the {@link JdoDialect} interface.
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* Requires JDO 2.0; explicitly supports JDO API features up until 3.0.
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* Used as default dialect by {@link JdoAccessor} and {@link JdoTransactionManager}.
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* As of Spring 4.0, designed for JDO 3.0 (or rather, semantics beyond JDO 3.0).
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* Used as default dialect by {@link JdoTransactionManager}.
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*
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* <p>Simply begins a standard JDO transaction in {@code beginTransaction}.
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* Returns a handle for a JDO2 DataStoreConnection on {@code getJdbcConnection}.
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* Calls the corresponding JDO2 PersistenceManager operation on {@code flush}
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* Translates {@code applyQueryTimeout} to JDO 3.0's {@code setTimeoutMillis}.
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* Returns a handle for a JDO DataStoreConnection on {@code getJdbcConnection}.
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* Calls the corresponding JDO PersistenceManager operation on {@code flush}
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* Uses a Spring SQLExceptionTranslator for exception translation, if applicable.
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*
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* <p>Note that, even with JDO2, vendor-specific subclasses are still necessary
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* <p>Note that, even with JDO 3.0, vendor-specific subclasses are still necessary
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* for special transaction semantics and more sophisticated exception translation.
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* Furthermore, vendor-specific subclasses are encouraged to expose the native JDBC
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* Connection on {@code getJdbcConnection}, rather than JDO2's wrapper handle.
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* Connection on {@code getJdbcConnection}, rather than JDO 3.0's wrapper handle.
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*
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* <p>This class also implements the PersistenceExceptionTranslator interface,
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* as autodetected by Spring's PersistenceExceptionTranslationPostProcessor,
@@ -63,18 +55,11 @@
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* @author Juergen Hoeller
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* @since 1.1
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* @see #setJdbcExceptionTranslator
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* @see JdoAccessor#setJdoDialect
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* @see JdoTransactionManager#setJdoDialect
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* @see org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor
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*/
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public class DefaultJdoDialect implements JdoDialect, PersistenceExceptionTranslator {
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// JDO 3.0 setTimeoutMillis method available?
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private static final Method setTimeoutMillisMethod =
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ClassUtils.getMethodIfAvailable(Query.class, "setTimeoutMillis", Integer.class);
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protected final Log logger = LogFactory.getLog(getClass());
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private SQLExceptionTranslator jdbcExceptionTranslator;
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@@ -174,18 +159,14 @@ public void cleanupTransaction(Object transactionData) {
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}
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/**
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* This implementation returns a DataStoreConnectionHandle for JDO2,
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* which will also work on JDO1 until actually accessing the JDBC Connection.
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* <p>For pre-JDO2 implementations, override this method to return the
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* Connection through the corresponding vendor-specific mechanism, or {@code null}
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* if the Connection is not retrievable.
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* <p><b>NOTE:</b> A JDO2 DataStoreConnection is always a wrapper,
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* This implementation returns a DataStoreConnectionHandle for JDO.
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* <p><b>NOTE:</b> A JDO DataStoreConnection is always a wrapper,
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* never the native JDBC Connection. If you need access to the native JDBC
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* Connection (or the connection pool handle, to be unwrapped via a Spring
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* NativeJdbcExtractor), override this method to return the native
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* Connection through the corresponding vendor-specific mechanism.
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* <p>A JDO2 DataStoreConnection is only "borrowed" from the PersistenceManager:
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* it needs to be returned as early as possible. Effectively, JDO2 requires the
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* <p>A JDO DataStoreConnection is only "borrowed" from the PersistenceManager:
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* it needs to be returned as early as possible. Effectively, JDO requires the
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* fetched Connection to be closed before continuing PersistenceManager work.
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* For this reason, the exposed ConnectionHandle eagerly releases its JDBC
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* Connection at the end of each JDBC data access operation (that is, on
@@ -212,25 +193,9 @@ public void releaseJdbcConnection(ConnectionHandle conHandle, PersistenceManager
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throws JDOException, SQLException {
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}
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/**
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* This implementation applies a JDO 3.0 query timeout, if available. Otherwise,
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* it sets the JPA 2.0 query hints "javax.persistence.lock.timeout" and
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* "javax.persistence.query.timeout", assuming that JDO providers are often
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* JPA providers as well.
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*/
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public void applyQueryTimeout(Query query, int remainingTimeInSeconds) throws JDOException {
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if (setTimeoutMillisMethod != null) {
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ReflectionUtils.invokeMethod(setTimeoutMillisMethod, query, remainingTimeInSeconds);
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}
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else {
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query.addExtension("javax.persistence.lock.timeout", remainingTimeInSeconds);
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query.addExtension("javax.persistence.query.timeout", remainingTimeInSeconds);
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}
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}
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//-----------------------------------------------------------------------------------
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// Hook for exception translation (used by JdoTransactionManager and JdoTemplate)
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// Hook for exception translation (used by JdoTransactionManager)
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//-----------------------------------------------------------------------------------
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/**
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/**
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* ConnectionHandle implementation that fetches a new JDO2 DataStoreConnection
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* ConnectionHandle implementation that fetches a new JDO DataStoreConnection
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* for every {@code getConnection} call and closes the Connection on
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* {@code releaseConnection}. This is necessary because JDO2 requires the
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* {@code releaseConnection}. This is necessary because JDO requires the
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* fetched Connection to be closed before continuing PersistenceManager work.
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* @see javax.jdo.PersistenceManager#getDataStoreConnection()
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*/

‎spring-orm/src/main/java/org/springframework/orm/jdo/JdoAccessor.java‎

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‎spring-orm/src/main/java/org/springframework/orm/jdo/JdoCallback.java‎

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