Fix sonar issues

few major issues in dblib module

Issue-Id: CCSDK-87
Change-Id: I6bc1fe2cf04cec0a5ad3bfb65bc3a10e5f488eea
Signed-off-by: surya-huawei <a.u.surya@huawei.com>
diff --git a/dblib/provider/src/main/java/org/onap/ccsdk/sli/core/dblib/DBLIBResourceProvider.java b/dblib/provider/src/main/java/org/onap/ccsdk/sli/core/dblib/DBLIBResourceProvider.java
index 201cc40..c7f7600 100644
--- a/dblib/provider/src/main/java/org/onap/ccsdk/sli/core/dblib/DBLIBResourceProvider.java
+++ b/dblib/provider/src/main/java/org/onap/ccsdk/sli/core/dblib/DBLIBResourceProvider.java
@@ -24,7 +24,6 @@
 
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.util.Optional;
 import java.util.Properties;
@@ -35,10 +34,6 @@
 import org.onap.ccsdk.sli.core.dblib.propertiesfileresolver.DblibJREFileResolver;
 import org.onap.ccsdk.sli.core.dblib.propertiesfileresolver.DblibKarafRootFileResolver;
 import org.onap.ccsdk.sli.core.dblib.propertiesfileresolver.DblibPropertiesFileResolver;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.FrameworkUtil;
-import org.osgi.framework.ServiceReference;
-import org.osgi.framework.ServiceRegistration;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
diff --git a/dblib/provider/src/main/java/org/onap/ccsdk/sli/core/dblib/TerminatingCachedDataSource.java b/dblib/provider/src/main/java/org/onap/ccsdk/sli/core/dblib/TerminatingCachedDataSource.java
index 127e6d3..b4d1ef6 100644
--- a/dblib/provider/src/main/java/org/onap/ccsdk/sli/core/dblib/TerminatingCachedDataSource.java
+++ b/dblib/provider/src/main/java/org/onap/ccsdk/sli/core/dblib/TerminatingCachedDataSource.java
@@ -33,38 +33,47 @@
 		super(jdbcElem);
 	}
 
+	@Override
 	protected void configure(BaseDBConfiguration jdbcElem) throws DBConfigException {
 		// no action
 	}
 
+	@Override
 	public long getInterval() {
 		return 1000;
 	}
 
+	@Override
 	public long getInitialDelay() {
 		return 1000;
 	}
 
+	@Override
 	public long getExpectedCompletionTime() {
 		return 50;
 	}
 
+	@Override
 	public void setExpectedCompletionTime(long value) {
 		
 	}
 
+	@Override
 	public void setInterval(long value) {
 		
 	}
 
+	@Override
 	public void setInitialDelay(long value) {
 		
 	}
 
+	@Override
 	public long getUnprocessedFailoverThreshold() {
 		return 3;
 	}
 
+	@Override
 	public void setUnprocessedFailoverThreshold(long value) {
 		
 	}
@@ -74,6 +83,7 @@
 		return 0;
 	}
 
+	@Override
 	public Logger getParentLogger() throws SQLFeatureNotSupportedException {
 		// TODO Auto-generated method stub
 		return null;