/*
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.switchyard.deploy.karaf;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;
import org.apache.felix.gogo.commands.Option;
import org.switchyard.admin.Application;
import org.switchyard.admin.ComponentService;
import org.switchyard.admin.Reference;
import org.switchyard.admin.Service;
import org.switchyard.admin.SwitchYard;
/**
* Shell command for uses-artifact.
*/
@Command(scope = "switchyard", name = "show-metrics", description = "Displays metrics for the specified service/reference/component service.")
public class ShowMetricsCommand extends AbstractSwitchYardServiceCommand {
/**
* Specifies the search type: services, references or component services.
*/
public static enum SearchType {
/** show services. */
service() {
@Override
public void printMetrics(Pattern pattern, Application application) {
boolean printHeader = true;
for (Service service : application.getServices()) {
final Matcher matcher = pattern.matcher(service.getName().toString());
if (matcher.find()) {
if (printHeader) {
System.out.println(application.getName() + " = [");
printHeader = false;
}
System.out.println(PrintUtil.printServiceMetrics(service, 1));
}
}
if (!printHeader) {
System.out.println("]");
}
};
},
/** show references. */
reference() {
@Override
public void printMetrics(Pattern pattern, Application application) {
boolean printHeader = true;
for (Reference reference : application.getReferences()) {
final Matcher matcher = pattern.matcher(reference.getName().toString());
if (matcher.find()) {
if (printHeader) {
System.out.println(application.getName() + " = [");
printHeader = false;
}
System.out.println(PrintUtil.printReferenceMetrics(reference, 1));
}
}
if (!printHeader) {
System.out.println("]");
}
};
},
/** show component services. */
component() {
@Override
public void printMetrics(Pattern pattern, Application application) {
boolean printHeader = true;
for (ComponentService service : application.getComponentServices()) {
final Matcher matcher = pattern.matcher(service.getName().toString());
if (matcher.find()) {
if (printHeader) {
System.out.println(application.getName() + " = [");
printHeader = false;
}
System.out.println(PrintUtil.printComponentServiceMetrics(service, 1));
}
}
if (!printHeader) {
System.out.println("]");
}
};
},
/** show system. */
system() {
@Override
public void printMetrics(Pattern pattern, Application application) {
};
};
/**
* @param pattern the pattern
* @param application the application to scan
*/
public abstract void printMetrics(Pattern pattern, Application application);
}
@Argument(index = 0, name = "type", description = "Specifies the search type [service | reference | component | system].", required = true)
private SearchType _type;
@Argument(index = 1, name = "patterns", description = "Specifies the search pattern to use.", multiValued = true)
private List<String> _patterns;
@Option(name = "--regex", description = "If specified, treat the pattern(s) as a regular expression.")
private boolean _regex;
@Override
protected Object doExecute(final SwitchYard switchYard) throws Exception {
if (_type == SearchType.system) {
System.out.println(PrintUtil.addMetricsToNode(switchYard.getMessageMetrics(), 1));
} else {
final Pattern pattern = compilePattern(_patterns, _regex);
for (Application application : switchYard.getApplications()) {
_type.printMetrics(pattern, application);
}
}
return null;
}
}