package org.argeo.slc.core.execution;
import java.io.UnsupportedEncodingException;
-import java.net.InetAddress;
import java.net.URI;
import java.net.URLDecoder;
-import java.net.UnknownHostException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.UUID;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
import org.argeo.slc.BasicNameVersion;
+import org.argeo.slc.NameVersion;
import org.argeo.slc.SlcException;
import org.argeo.slc.execution.ExecutionModuleDescriptor;
import org.argeo.slc.execution.ExecutionModulesManager;
import org.argeo.slc.execution.ExecutionProcess;
import org.argeo.slc.execution.SlcAgent;
-import org.argeo.slc.execution.SlcAgentDescriptor;
/** Implements the base methods of an SLC agent. */
public class DefaultAgent implements SlcAgent {
- private final static Log log = LogFactory.getLog(DefaultAgent.class);
+ // private final static Log log = LogFactory.getLog(DefaultAgent.class);
/** UTF-8 charset for encoding. */
private final static String UTF8 = "UTF-8";
- private SlcAgentDescriptor agentDescriptor;
+ private String agentUuid = null;
private ExecutionModulesManager modulesManager;
private ThreadGroup processesThreadGroup;
private Map<String, ProcessThread> runningProcesses = Collections
.synchronizedMap(new HashMap<String, ProcessThread>());
+ private String defaultModulePrefix = null;
+
/*
* LIFECYCLE
*/
/** Initialization */
public void init() {
- agentDescriptor = new SlcAgentDescriptor();
- agentDescriptor.setUuid(initAgentUuid());
- try {
- agentDescriptor.setHost(InetAddress.getLocalHost().getHostName());
- } catch (UnknownHostException e) {
- log.error("Cannot resolve localhost host name: " + e.getMessage());
- agentDescriptor.setHost("localhost");
- }
+ agentUuid = initAgentUuid();
processesThreadGroup = new ThreadGroup("SLC Processes of Agent #"
- + agentDescriptor.getUuid());
- // modulesManager.registerProcessNotifier(this,
- // new HashMap<String, String>());
-
- // final String module = System
- // .getProperty(ExecutionModulesManager.UNIQUE_LAUNCH_MODULE_PROPERTY);
- // final String flow = System
- // .getProperty(ExecutionModulesManager.UNIQUE_LAUNCH_FLOW_PROPERTY);
- // if (module != null) {
- // // launch a flow and stops
- // new Thread("Unique Flow") {
- // @Override
- // public void run() {
- // executeFlowAndExit(module, null, flow);
- // }
- // }.start();
- // }
+ + agentUuid);
}
/** Clean up (needs to be called by overriding method) */
public void destroy() {
- // modulesManager.unregisterProcessNotifier(this,
- // new HashMap<String, String>());
}
/**
return UUID.randomUUID().toString();
}
- /*
- * UNIQUE FLOW
- */
- // protected void executeFlowAndExit(final String module,
- // final String version, final String flow) {
- // }
-
/*
* SLC AGENT
*/
String[] path = uri.getPath().split("/");
if (path.length < 3)
throw new SlcException("Badly formatted URI: " + uri);
- String module = path[1];
+ NameVersion nameVersion = new BasicNameVersion(path[1]);
StringBuilder flow = new StringBuilder();
for (int i = 2; i < path.length; i++)
flow.append('/').append(path[i]);
- Map<String, Object> values = new HashMap<String, Object>();
- if (uri.getQuery() != null)
- values = getQueryMap(uri.getQuery());
-
- modulesManager.start(new BasicNameVersion(module, null));
+ Map<String, Object> values = getQueryMap(uri.getQuery());
+ // Get execution module descriptor
ExecutionModuleDescriptor emd = getExecutionModuleDescriptor(
- module, null);
+ nameVersion.getName(), nameVersion.getVersion());
process.getRealizedFlows().add(
emd.asRealizedFlow(flow.toString(), values));
}
}
public ExecutionModuleDescriptor getExecutionModuleDescriptor(
- String moduleName, String version) {
- return modulesManager.getExecutionModuleDescriptor(moduleName, version);
+ String moduleName, String moduleVersion) {
+ // Get execution module descriptor
+ ExecutionModuleDescriptor emd;
+ try {
+ modulesManager
+ .start(new BasicNameVersion(moduleName, moduleVersion));
+ emd = modulesManager.getExecutionModuleDescriptor(moduleName,
+ moduleVersion);
+ } catch (SlcException e) {
+ if (defaultModulePrefix != null) {
+ moduleName = defaultModulePrefix + "." + moduleName;
+ modulesManager.start(new BasicNameVersion(moduleName,
+ moduleVersion));
+ emd = modulesManager.getExecutionModuleDescriptor(moduleName,
+ moduleVersion);
+ } else
+ throw e;
+ }
+ return emd;
}
public List<ExecutionModuleDescriptor> listExecutionModuleDescriptors() {
return true;
}
- /*
- * PROCESS NOTIFIER
- */
- // public void updateStatus(ExecutionProcess process, String oldStatus,
- // String newStatus) {
- // if (newStatus.equals(ExecutionProcess.COMPLETED)
- // || newStatus.equals(ExecutionProcess.ERROR)
- // || newStatus.equals(ExecutionProcess.KILLED)) {
- // runningProcesses.remove(process.getUuid());
- // }
- // }
- //
- // public void addSteps(ExecutionProcess process, List<ExecutionStep> steps)
- // {
- // }
-
/*
* UTILITIES
*/
- private static Map<String, Object> getQueryMap(String query) {
- String[] params = query.split("&");
+ /**
+ * @param query
+ * can be null
+ */
+ static Map<String, Object> getQueryMap(String query) {
Map<String, Object> map = new LinkedHashMap<String, Object>();
+ if (query == null)
+ return map;
+ String[] params = query.split("&");
for (String param : params) {
- String name = param.split("=")[0];
- String value = param.split("=")[1];
+ String[] arr = param.split("=");
+ String name = arr[0];
+ Object value = arr.length > 1 ? param.split("=")[1] : Boolean.TRUE;
try {
map.put(URLDecoder.decode(name, UTF8),
- URLDecoder.decode(value, UTF8));
+ URLDecoder.decode(value.toString(), UTF8));
} catch (UnsupportedEncodingException e) {
throw new SlcException("Cannot decode '" + param + "'", e);
}
this.modulesManager = modulesManager;
}
- protected SlcAgentDescriptor getAgentDescriptor() {
- return agentDescriptor;
+ public void setDefaultModulePrefix(String defaultModulePrefix) {
+ this.defaultModulePrefix = defaultModulePrefix;
}
public String getAgentUuid() {
- return agentDescriptor.getUuid();
+ return agentUuid;
}
@Override
public String toString() {
- return agentDescriptor.toString();
+ return "Agent #" + getAgentUuid();
}
}
projects / gpl / argeo-slc.git / blobdiff