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Code clean up for control plane manager

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- Exception handlers should preserve the original exception
- Collection.isEmpty() should be used to test for emptiness

Change-Id: Ic76cf94f84fa761bb64b608df61fbd259c7990c4
This commit is contained in:
Jian Li 2016-05-11 09:49:57 -07:00 committed by Ray Milkey
parent a75fec47a1
commit b1548eeffa
4 changed files with 23 additions and 40 deletions
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2
apps/cpman/app/src/main/java/org/onosproject/cpman/cli/ResourceNameCompleter.java
View File

@ -80,7 +80,7 @@ public class ResourceNameCompleter extends AbstractCompleter {
SortedSet<String> strings = delegate.getStrings();
if (set.size() != 0) {
if (!set.isEmpty()) {
set.forEach(strings::add);
}
}

19
apps/cpman/app/src/main/java/org/onosproject/cpman/gui/CpmanViewMessageHandler.java
View File

@ -35,14 +35,11 @@ import org.onosproject.ui.RequestHandler;
import org.onosproject.ui.UiMessageHandler;
import org.onosproject.ui.chart.ChartModel;
import org.onosproject.ui.chart.ChartRequestHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Collection;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.stream.LongStream;
@ -54,8 +51,6 @@ import static org.onosproject.cpman.ControlResource.Type.CONTROL_MESSAGE;
*/
public class CpmanViewMessageHandler extends UiMessageHandler {
private final Logger log = LoggerFactory.getLogger(getClass());
private static final String CPMAN_DATA_REQ = "cpmanDataRequest";
private static final String CPMAN_DATA_RESP = "cpmanDataResponse";
private static final String CPMANS = "cpmans";
@ -131,16 +126,10 @@ public class CpmanViewMessageHandler extends UiMessageHandler {
ClusterService cs, DeviceId deviceId) {
Map<ControlMetricType, Long> data = Maps.newHashMap();
for (ControlMetricType cmt : CONTROL_MESSAGE_METRICS) {
ControlLoadSnapshot cls;
try {
cls = cpms.getLoad(cs.getLocalNode().id(),
cmt, NUM_OF_DATA_POINTS, TimeUnit.MINUTES,
Optional.of(deviceId)).get();
data.put(cmt, Math.round(LongStream.of(cls.recent()).average().getAsDouble()));
timestamp = cls.time();
} catch (InterruptedException | ExecutionException e) {
log.warn(e.getMessage());
}
ControlLoadSnapshot cls = cpms.getLoadSync(cs.getLocalNode().id(),
cmt, NUM_OF_DATA_POINTS, TimeUnit.MINUTES, Optional.of(deviceId));
data.put(cmt, Math.round(LongStream.of(cls.recent()).average().getAsDouble()));
timestamp = cls.time();
}
return data;
}

24
apps/cpman/app/src/main/java/org/onosproject/cpman/impl/DefaultMetricsDatabase.java
View File

@ -94,7 +94,7 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
sample.setValue(metricType, value);
sample.update();
} catch (IOException e) {
log.error("Failed to update metric value due to {}", e.getMessage());
log.error("Failed to update metric value due to {}", e);
}
}
@ -112,12 +112,12 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
checkArgument(rrdDb.containsDs(k), NON_EXIST_METRIC);
sample.setValue(k, v);
} catch (IOException e) {
log.error("Failed to update metric value due to {}", e.getMessage());
log.error("Failed to update metric value due to {}", e);
}
});
sample.update();
} catch (IOException e) {
log.error("Failed to update metric values due to {}", e.getMessage());
log.error("Failed to update metric values due to {}", e);
}
}
@ -127,7 +127,7 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
checkArgument(rrdDb.containsDs(metricType), NON_EXIST_METRIC);
return rrdDb.getDatasource(metricType).getLastValue();
} catch (IOException e) {
log.error("Failed to obtain metric value due to {}", e.getMessage());
log.error("Failed to obtain metric value due to {}", e);
return 0D;
}
}
@ -146,7 +146,7 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
return new double[0];
}
} catch (IOException e) {
log.error("Failed to obtain metric values due to {}", e.getMessage());
log.error("Failed to obtain metric values due to {}", e);
return new double[0];
}
}
@ -159,7 +159,7 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
long startTime = endTime - SECONDS_OF_DAY + 1;
return minMetric(metricType, startTime, endTime);
} catch (IOException e) {
log.error("Failed to obtain metric value due to {}", e.getMessage());
log.error("Failed to obtain metric value due to {}", e);
return 0D;
}
}
@ -172,7 +172,7 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
long startTime = endTime - SECONDS_OF_DAY;
return maxMetric(metricType, startTime, endTime);
} catch (IOException e) {
log.error("Failed to obtain metric value due to {}", e.getMessage());
log.error("Failed to obtain metric value due to {}", e);
return 0D;
}
}
@ -185,7 +185,7 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
long startTime = endTime - SECONDS_OF_DAY;
return metrics(metricType, startTime, endTime);
} catch (IOException e) {
log.error("Failed to obtain metric values due to {}", e.getMessage());
log.error("Failed to obtain metric values due to {}", e);
return new double[0];
}
}
@ -202,7 +202,7 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
return new double[0];
}
} catch (IOException e) {
log.error("Failed to obtain metric values due to {}", e.getMessage());
log.error("Failed to obtain metric values due to {}", e);
return new double[0];
}
}
@ -213,7 +213,7 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
checkArgument(rrdDb.containsDs(metricType), NON_EXIST_METRIC);
return rrdDb.getLastUpdateTime();
} catch (IOException e) {
log.error("Failed to obtain last update time due to {}", e.getMessage());
log.error("Failed to obtain last update time due to {}", e);
return 0L;
}
}
@ -296,7 +296,7 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
public MetricsDatabase build() {
checkNotNull(metricName, METRIC_NAME_MSG);
checkNotNull(resourceName, RESOURCE_NAME_MSG);
checkArgument(dsDefs.size() != 0, METRIC_TYPE_MSG);
checkArgument(!dsDefs.isEmpty(), METRIC_TYPE_MSG);
// define the resolution of monitored metrics
rrdDef = new RrdDef(DB_PATH + SPLITTER + metricName +
@ -317,7 +317,7 @@ public final class DefaultMetricsDatabase implements MetricsDatabase {
// always store the metric data in memory...
rrdDb = new RrdDb(rrdDef, RrdBackendFactory.getFactory(STORING_METHOD));
} catch (IOException e) {
log.warn("Failed to create a new round-robin database due to {}", e.getMessage());
log.warn("Failed to create a new round-robin database due to {}", e);
}
return new DefaultMetricsDatabase(metricName, resourceName, rrdDb);

18
apps/cpman/app/src/main/java/org/onosproject/cpman/rest/SystemMetricsCollectorWebResource.java
View File

@ -27,8 +27,8 @@ import org.onosproject.cpman.ControlResource;
import org.onosproject.cpman.MetricValue;
import org.onosproject.cpman.SystemInfo;
import org.onosproject.cpman.impl.DefaultSystemInfo;
import org.onosproject.cpman.impl.SystemMetricsAggregator;
import org.onosproject.cpman.impl.SystemInfoFactory;
import org.onosproject.cpman.impl.SystemMetricsAggregator;
import org.onosproject.rest.AbstractWebResource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -36,7 +36,6 @@ import org.slf4j.LoggerFactory;
import javax.ws.rs.Consumes;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.io.IOException;
@ -87,7 +86,6 @@ public class SystemMetricsCollectorWebResource extends AbstractWebResource {
@POST
@Path("cpu_metrics")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response cpuMetrics(InputStream stream) {
ObjectNode root = mapper().createObjectNode();
ControlMetric cm;
@ -134,7 +132,7 @@ public class SystemMetricsCollectorWebResource extends AbstractWebResource {
aggregator.increment(ControlMetricType.CPU_IDLE_TIME, cpuIdleTime);
} catch (IOException e) {
throw new IllegalArgumentException(e.getMessage());
throw new IllegalArgumentException(e);
}
return ok(root).build();
}
@ -149,7 +147,6 @@ public class SystemMetricsCollectorWebResource extends AbstractWebResource {
@POST
@Path("memory_metrics")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response memoryMetrics(InputStream stream) {
ObjectNode root = mapper().createObjectNode();
ControlMetric cm;
@ -190,7 +187,7 @@ public class SystemMetricsCollectorWebResource extends AbstractWebResource {
aggregator.increment(ControlMetricType.MEMORY_FREE, memFree);
} catch (IOException e) {
throw new IllegalArgumentException(e.getMessage());
throw new IllegalArgumentException(e);
}
return ok(root).build();
}
@ -205,7 +202,6 @@ public class SystemMetricsCollectorWebResource extends AbstractWebResource {
@POST
@Path("disk_metrics")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response diskMetrics(InputStream stream) {
ObjectNode root = mapper().createObjectNode();
ControlMetric cm;
@ -237,7 +233,7 @@ public class SystemMetricsCollectorWebResource extends AbstractWebResource {
ControlMetricType.DISK_WRITE_BYTES, writeBytes);
}
} catch (IOException e) {
throw new IllegalArgumentException(e.getMessage());
throw new IllegalArgumentException(e);
}
return ok(root).build();
}
@ -252,7 +248,6 @@ public class SystemMetricsCollectorWebResource extends AbstractWebResource {
@POST
@Path("network_metrics")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response networkMetrics(InputStream stream) {
ObjectNode root = mapper().createObjectNode();
ControlMetric cm;
@ -299,7 +294,7 @@ public class SystemMetricsCollectorWebResource extends AbstractWebResource {
ControlMetricType.NW_OUTGOING_PACKETS, outPackets);
}
} catch (IOException e) {
throw new IllegalArgumentException(e.getMessage());
throw new IllegalArgumentException(e);
}
return ok(root).build();
}
@ -316,7 +311,6 @@ public class SystemMetricsCollectorWebResource extends AbstractWebResource {
@POST
@Path("system_info")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response systemInfo(InputStream stream) {
ObjectNode root = mapper().createObjectNode();
@ -343,7 +337,7 @@ public class SystemMetricsCollectorWebResource extends AbstractWebResource {
}
} catch (IOException e) {
throw new IllegalArgumentException(e.getMessage());
throw new IllegalArgumentException(e);
}
return ok(root).build();
}