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Fix for https://issues.apache.org/activemq/browse/AMQ-1702 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@652302 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Davies 2008-04-30 06:48:20 +00:00
parent 9341f16442
commit b35bc797ec
1 changed files with 14 additions and 5 deletions
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21
activemq-core/src/main/java/org/apache/activemq/store/jdbc/DefaultDatabaseLocker.java
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@ -37,7 +37,6 @@ public class DefaultDatabaseLocker implements DatabaseLocker {
private final Statements statements;
private long sleepTime = 1000;
private Connection connection;
private PreparedStatement statement;
private boolean stopping;
public DefaultDatabaseLocker(DataSource dataSource, Statements statements) {
@ -49,7 +48,7 @@ public class DefaultDatabaseLocker implements DatabaseLocker {
stopping = false;
LOG.info("Attempting to acquire the exclusive lock to become the Master broker");
PreparedStatement statement = null;
while (true) {
try {
connection = dataSource.getConnection();
@ -97,16 +96,26 @@ public class DefaultDatabaseLocker implements DatabaseLocker {
}
public boolean keepAlive() {
PreparedStatement statement = null;
boolean result = false;
try {
PreparedStatement statement = connection.prepareStatement(statements.getLockUpdateStatement());
statement = connection.prepareStatement(statements.getLockUpdateStatement());
statement.setLong(1, System.currentTimeMillis());
int rows = statement.executeUpdate();
if (rows == 1) {
return true;
result=true;
}
} catch (Exception e) {
LOG.error("Failed to update database lock: " + e, e);
}
return false;
}finally {
if (statement != null) {
try {
statement.close();
} catch (SQLException e) {
LOG.error("Failed to close statement",e);
}
}
}
return result;
}
}