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Throw an exception rather than blocking if a transaction is started

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after the database has closed.
This commit is contained in:
akwizgran
2011-12-01 20:05:45 +00:00
parent 28b9e399ae
commit 2fb797a197
2 changed files with 5 additions and 10 deletions
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1
components/net/sf/briar/db/H2Database.java
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@@ -55,6 +55,7 @@ class H2Database extends JdbcDatabase {
}
public void close() throws DbException {
// H2 will close the database when the last connection closes
try {
super.closeAllConnections();
} catch(SQLException e) {

14
components/net/sf/briar/db/JdbcDatabase.java
View File

@@ -1,6 +1,7 @@
package net.sf.briar.db;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
@@ -297,8 +298,8 @@ abstract class JdbcDatabase implements Database<Connection> {
protected void open(boolean resume, File dir, String driverClass)
throws DbException, IOException {
if(resume) {
if(!dir.exists()) throw new DbException();
if(!dir.isDirectory()) throw new DbException();
if(!dir.exists()) throw new FileNotFoundException();
if(!dir.isDirectory()) throw new FileNotFoundException();
} else {
if(dir.exists()) FileUtils.delete(dir);
}
@@ -388,14 +389,7 @@ abstract class JdbcDatabase implements Database<Connection> {
public Connection startTransaction() throws DbException {
Connection txn = null;
synchronized(connections) {
// If the database has been closed, don't return
while(closed) {
try {
connections.wait();
} catch(InterruptedException e) {
Thread.currentThread().interrupt();
}
}
if(closed) throw new DbException();
txn = connections.poll();
}
try {