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Handle exception and log error messages related to DeviceTypeDAOHandler

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This commit is contained in:
Saad Sahibjan 2019-08-19 13:54:19 +05:30
parent 0c7843f2fe
commit 4a58aea2d0
5 changed files with 61 additions and 29 deletions
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9
components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/main/java/org/wso2/carbon/device/mgt/extensions/device/type/template/DeviceTypeManager.java
View File

@ -228,7 +228,14 @@ public class DeviceTypeManager implements DeviceManager {
if (deviceTypePluginDAOManager != null) {
DeviceTypePluginExtensionService deviceTypeManagerExtensionService =
new DeviceTypePluginExtensionServiceImpl();
try {
deviceTypeManagerExtensionService.addPluginDAOManager(deviceType, deviceTypePluginDAOManager);
} catch (DeviceTypePluginExtensionException e) {
String msg = "Error occurred while saving DeviceTypePluginDAOManager for device type: "
+ deviceType;
log.error(msg);
throw new DeviceTypeDeployerPayloadException(msg);
}
} else {
log.warn("Could not save DeviceTypePluginDAOManager for device type: " + deviceType +
" since DeviceTypePluginDAOManager is null.");
@ -236,7 +243,7 @@ public class DeviceTypeManager implements DeviceManager {
} else {
String msg = "Could not save DeviceTypePluginDAOManager since device type is null or empty.";
log.error(msg);
throw new DeviceTypePluginExtensionException(msg);
throw new DeviceTypeDeployerPayloadException(msg);
}
}

13
components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/main/java/org/wso2/carbon/device/mgt/extensions/device/type/template/DeviceTypePluginExtensionServiceImpl.java
View File

@ -34,9 +34,15 @@ public class DeviceTypePluginExtensionServiceImpl implements DeviceTypePluginExt
private static volatile Map<String, DeviceTypePluginDAOManager> pluginDAOManagers = new HashMap<>();
@Override
public void addPluginDAOManager(String deviceType, DeviceTypePluginDAOManager pluginDAOManager) {
public void addPluginDAOManager(String deviceType, DeviceTypePluginDAOManager pluginDAOManager)
throws DeviceTypePluginExtensionException {
int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
if (pluginDAOManager != null) {
if (pluginDAOManager == null) {
String msg = "Cannot save DeviceTypePluginDAOManager against tenant id " + tenantId
+ " and device type: " + deviceType + " since DeviceTypePluginDAOManager is null";
log.error(msg);
throw new DeviceTypePluginExtensionException(msg);
}
if (!pluginDAOManagers.containsKey(tenantId + deviceType)) {
if (log.isDebugEnabled()) {
log.debug("Saving DeviceTypePluginDAOManager against tenant id " + tenantId +
@ -45,10 +51,9 @@ public class DeviceTypePluginExtensionServiceImpl implements DeviceTypePluginExt
pluginDAOManagers.put(tenantId + deviceType, pluginDAOManager);
}
}
}
@Override
public DeviceTypePluginDAOManager getPluginDAOManager(String deviceType) {
public DeviceTypePluginDAOManager getPluginDAOManager(String deviceType) throws DeviceTypePluginExtensionException {
int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
if (pluginDAOManagers.containsKey(tenantId + deviceType)) {
if (log.isDebugEnabled()) {

46
components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/main/java/org/wso2/carbon/device/mgt/extensions/device/type/template/dao/DeviceTypeDAOHandler.java
View File

@ -49,7 +49,9 @@ public class DeviceTypeDAOHandler {
Context ctx = new InitialContext();
dataSource = (DataSource) ctx.lookup(datasourceName);
} catch (NamingException e) {
throw new DeviceTypeDeployerPayloadException("Error while looking up the data source: " + datasourceName, e);
String msg = "Error while looking up the data source: " + datasourceName;
log.error(msg, e);
throw new DeviceTypeDeployerPayloadException(msg, e);
}
}
@ -57,12 +59,16 @@ public class DeviceTypeDAOHandler {
try {
Connection conn = currentConnection.get();
if (conn != null) {
throw new IllegalTransactionStateException("Database connection has already been obtained.");
String msg = "Database connection has already been obtained.";
log.error(msg);
throw new IllegalTransactionStateException(msg);
}
conn = dataSource.getConnection();
currentConnection.set(conn);
} catch (SQLException e) {
throw new DeviceTypeMgtPluginException("Failed to get a database connection.", e);
String msg = "Failed to get a database connection.";
log.error(msg, e);
throw new DeviceTypeMgtPluginException(msg, e);
}
}
@ -72,7 +78,9 @@ public class DeviceTypeDAOHandler {
conn.setAutoCommit(false);
currentConnection.set(conn);
} catch (SQLException e) {
throw new DeviceTypeMgtPluginException("Error occurred while retrieving datasource connection", e);
String msg = "Error occurred while retrieving datasource connection";
log.error(msg, e);
throw new DeviceTypeMgtPluginException(msg, e);
}
}
@ -81,7 +89,9 @@ public class DeviceTypeDAOHandler {
try {
currentConnection.set(dataSource.getConnection());
} catch (SQLException e) {
throw new DeviceTypeMgtPluginException("Error occurred while retrieving data source connection", e);
String msg = "Error occurred while retrieving data source connection";
log.error(msg, e);
throw new DeviceTypeMgtPluginException(msg, e);
}
}
return currentConnection.get();
@ -90,25 +100,28 @@ public class DeviceTypeDAOHandler {
public void commitTransaction() {
Connection conn = currentConnection.get();
if (conn == null) {
throw new IllegalStateException("No connection is associated with the current transaction. " +
"This might have ideally been caused by not properly initiating the " +
"transaction via 'beginTransaction'/'openConnection' methods");
String msg = "No connection is associated with the current transaction. This might have ideally been " +
"caused by not properly initiating the transaction via " +
"'beginTransaction'/'openConnection' methods";
log.error(msg);
throw new IllegalStateException(msg);
}
try {
conn.commit();
} catch (SQLException e) {
log.error("Error occurred while committing the transaction.", e);
String msg = "Error occurred while committing the transaction.";
log.error(msg, e);
}
}
public void closeConnection() {
Connection con = currentConnection.get();
if (con != null) {
try {
con.close();
} catch (SQLException e) {
log.error("Error occurred while close the connection");
String msg = "Error occurred while close the connection";
log.error(msg, e);
}
}
currentConnection.remove();
@ -117,14 +130,17 @@ public class DeviceTypeDAOHandler {
public void rollbackTransaction() {
Connection conn = currentConnection.get();
if (conn == null) {
throw new IllegalStateException("No connection is associated with the current transaction. " +
"This might have ideally been caused by not properly initiating the " +
"transaction via 'beginTransaction'/'openConnection' methods");
String msg = "No connection is associated with the current transaction. This might have ideally been " +
"caused by not properly initiating the transaction via " +
"'beginTransaction'/'openConnection' methods";
log.error(msg);
throw new IllegalStateException(msg);
}
try {
conn.rollback();
} catch (SQLException e) {
log.error("Error occurred while roll-backing the transaction.", e);
String msg = "Error occurred while roll-backing the transaction.";
log.error(msg, e);
}
}
}

2
components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/main/java/org/wso2/carbon/device/mgt/extensions/device/type/template/exception/DeviceTypePluginExtensionException.java
View File

@ -1,6 +1,6 @@
package org.wso2.carbon.device.mgt.extensions.device.type.template.exception;
public class DeviceTypePluginExtensionException extends RuntimeException {
public class DeviceTypePluginExtensionException extends Exception {
public DeviceTypePluginExtensionException(String msg) {
super(msg);

8
components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/main/java/org/wso2/carbon/device/mgt/extensions/spi/DeviceTypePluginExtensionService.java
View File

@ -18,6 +18,7 @@
package org.wso2.carbon.device.mgt.extensions.spi;
import org.wso2.carbon.device.mgt.extensions.device.type.template.dao.DeviceTypePluginDAOManager;
import org.wso2.carbon.device.mgt.extensions.device.type.template.exception.DeviceTypePluginExtensionException;
/**
* This represents the device type plugin extension service which can be used by any device type plugin implementation
@ -29,13 +30,16 @@ public interface DeviceTypePluginExtensionService {
* Save device type specific DeviceTypePluginDAOManager in a HashMap againast tenant ID and device type
* @param deviceType - Type of the device (i.e; android, ios, windows)
* @param pluginDAOManager - Device type plugin DAO manager instance to be saved against device type
* @throws DeviceTypePluginExtensionException when pluginDAOManager is null
*/
void addPluginDAOManager(String deviceType, DeviceTypePluginDAOManager pluginDAOManager);
void addPluginDAOManager(String deviceType, DeviceTypePluginDAOManager pluginDAOManager)
throws DeviceTypePluginExtensionException;
/**
* Retrieve the DeviceTypePluginDAOManager instance against tenant ID and given device type
* @param deviceType - Type of the device (i.e; android, ios, windows)
* @return an Instance of {@link DeviceTypePluginDAOManager}
* @throws DeviceTypePluginExtensionException when pluginDAOManager cannot be found
*/
DeviceTypePluginDAOManager getPluginDAOManager(String deviceType);
DeviceTypePluginDAOManager getPluginDAOManager(String deviceType) throws DeviceTypePluginExtensionException;
}