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NO-JIRA Database Page Store Improvements

This commit is contained in:
Martyn Taylor 2017-02-26 20:41:42 +00:00
parent a1012884cc
commit a3c852eb04
1 changed files with 46 additions and 22 deletions
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44
artemis-server/src/main/java/org/apache/activemq/artemis/core/paging/impl/PagingStoreFactoryDatabase.java
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@ -45,7 +45,6 @@ import org.apache.activemq.artemis.jdbc.store.file.JDBCSequentialFileFactoryDriv
import org.apache.activemq.artemis.jdbc.store.sql.GenericSQLProvider;
import org.apache.activemq.artemis.jdbc.store.sql.SQLProvider;
import org.apache.activemq.artemis.utils.ExecutorFactory;
import org.apache.activemq.artemis.utils.UUIDGenerator;
/**
* Integration point between Paging and JDBC
@ -80,6 +79,8 @@ public class PagingStoreFactoryDatabase implements PagingStoreFactory {
private JDBCSequentialFile directoryList;
private boolean started = false;
public PagingStoreFactoryDatabase(final DatabaseStorageConfiguration dbConf,
final StorageManager storageManager,
final long syncTimeout,
@ -93,7 +94,11 @@ public class PagingStoreFactoryDatabase implements PagingStoreFactory {
this.scheduledExecutor = scheduledExecutor;
this.syncTimeout = syncTimeout;
this.dbConf = dbConf;
start();
}
public synchronized void start() throws Exception {
if (!started) {
if (dbConf.getDataSource() != null) {
SQLProvider.Factory sqlProviderFactory = dbConf.getSqlProviderFactory();
if (sqlProviderFactory == null) {
@ -105,15 +110,17 @@ public class PagingStoreFactoryDatabase implements PagingStoreFactory {
pagingFactoryFileFactory = new JDBCSequentialFileFactory(dbConf.getJdbcConnectionUrl(), driverClassName, JDBCUtils.getSQLProvider(driverClassName, dbConf.getPageStoreTableName()), executorFactory.getExecutor());
}
pagingFactoryFileFactory.start();
directoryList = (JDBCSequentialFile) pagingFactoryFileFactory.createSequentialFile(DIRECTORY_NAME);
directoryList.open();
started = true;
}
}
// Public --------------------------------------------------------
@Override
public void stop() {
public synchronized void stop() {
if (started) {
pagingFactoryFileFactory.stop();
started = false;
}
}
@Override
@ -136,8 +143,8 @@ public class PagingStoreFactoryDatabase implements PagingStoreFactory {
@Override
public synchronized SequentialFileFactory newFileFactory(final SimpleString address) throws Exception {
String guid = UUIDGenerator.getInstance().generateStringUUID();
SequentialFileFactory factory = newFileFactory(guid, true);
String tableName = "" + storageManager.generateID();
SequentialFileFactory factory = newFileFactory(tableName, true);
factory.start();
SequentialFile file = factory.createSequentialFile(PagingStoreFactoryDatabase.ADDRESS_FILE);
@ -146,6 +153,7 @@ public class PagingStoreFactoryDatabase implements PagingStoreFactory {
ActiveMQBuffer buffer = ActiveMQBuffers.fixedBuffer(SimpleString.sizeofNullableString(address));
buffer.writeSimpleString(address);
file.write(buffer, true);
file.close();
return factory;
}
@ -157,15 +165,18 @@ public class PagingStoreFactoryDatabase implements PagingStoreFactory {
@Override
public synchronized List<PagingStore> reloadStores(final HierarchicalRepository<AddressSettings> addressSettingsRepository) throws Exception {
// We assume the directory list < Integer.MAX_VALUE (this is only a list of addresses).
JDBCSequentialFile directoryList = (JDBCSequentialFile) pagingFactoryFileFactory.createSequentialFile(DIRECTORY_NAME);
directoryList.open();
int size = ((Long) directoryList.size()).intValue();
ActiveMQBuffer buffer = readActiveMQBuffer(directoryList, size);
ArrayList<PagingStore> storesReturn = new ArrayList<>();
while (buffer.readableBytes() > 0) {
SimpleString guid = buffer.readSimpleString();
SimpleString table = buffer.readSimpleString();
JDBCSequentialFileFactory factory = (JDBCSequentialFileFactory) newFileFactory(guid.toString(), false);
JDBCSequentialFileFactory factory = (JDBCSequentialFileFactory) newFileFactory(table.toString(), false);
factory.start();
JDBCSequentialFile addressFile = (JDBCSequentialFile) factory.createSequentialFile(ADDRESS_FILE);
@ -185,15 +196,28 @@ public class PagingStoreFactoryDatabase implements PagingStoreFactory {
storesReturn.add(store);
}
directoryList.close();
return storesReturn;
}
private synchronized SequentialFileFactory newFileFactory(final String directoryName, boolean writeToDirectory) throws Exception {
JDBCSequentialFile directoryList = (JDBCSequentialFile) pagingFactoryFileFactory.createSequentialFile(DIRECTORY_NAME);
directoryList.open();
SimpleString simpleString = SimpleString.toSimpleString(directoryName);
ActiveMQBuffer buffer = ActiveMQBuffers.fixedBuffer(simpleString.sizeof());
buffer.writeSimpleString(simpleString);
if (writeToDirectory) directoryList.write(buffer, true);
return new JDBCSequentialFileFactory(pagingFactoryFileFactory.getDbDriver().getConnection(), JDBCUtils.getSQLProvider(dbConf.getJdbcDriverClassName(), getTableNameForGUID(directoryName)), executorFactory.getExecutor());
directoryList.close();
SQLProvider sqlProvider = null;
if (dbConf.getDataSource() != null) {
SQLProvider.Factory sqlProviderFactory = dbConf.getSqlProviderFactory() == null ? new GenericSQLProvider.Factory() : dbConf.getSqlProviderFactory();
sqlProvider = sqlProviderFactory.create(getTableNameForGUID(directoryName));
} else {
sqlProvider = JDBCUtils.getSQLProvider(dbConf.getJdbcDriverClassName(), getTableNameForGUID(directoryName));
}
return new JDBCSequentialFileFactory(pagingFactoryFileFactory.getDbDriver().getConnection(), sqlProvider, executorFactory.getExecutor());
}
private String getTableNameForGUID(String guid) {