fix: add execution configuration files

portal/src/main/java/edu/isi/wings/portal/classes/config/ExecutionConfig.java

@@ -0,0 +1,89 @@
+package edu.isi.wings.portal.classes.config;
+
+import edu.isi.wings.execution.engine.api.impl.distributed.DistributedExecutionEngine;
+import edu.isi.wings.execution.engine.api.impl.local.LocalExecutionEngine;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map.Entry;
+import java.util.Set;
+import org.apache.commons.configuration.HierarchicalConfiguration;
+import org.apache.commons.configuration.plist.PropertyListConfiguration;
+
+public class ExecutionConfig {
+
+  public HashMap<String, ExecutionEngine> engines;
+
+  public ExecutionConfig(PropertyListConfiguration serverConfig) {
+    this.engines = new HashMap<String, ExecutionEngine>();
+    List<HierarchicalConfiguration> engineNodes = serverConfig.configurationsAt(
+      "execution.engine"
+    );
+    for (HierarchicalConfiguration engineNode : engineNodes) {
+      ExecutionEngine engine = this.getExeEngine(engineNode);
+      this.engines.put(engine.getName(), engine);
+    }
+  }
+
+  public ExecutionConfig() {
+    this.engines = new HashMap<String, ExecutionEngine>();
+    ExecutionEngine defaultLocal = new ExecutionEngine(
+      "Local",
+      LocalExecutionEngine.class.getCanonicalName(),
+      ExecutionEngine.Type.BOTH
+    );
+    ExecutionEngine defaultDistrubited = new ExecutionEngine(
+      "Distributed",
+      DistributedExecutionEngine.class.getCanonicalName(),
+      ExecutionEngine.Type.BOTH
+    );
+
+    this.engines.put(defaultLocal.getName(), defaultLocal);
+    this.engines.put(defaultDistrubited.getName(), defaultDistrubited);
+  }
+
+  @SuppressWarnings("rawtypes")
+  private ExecutionEngine getExeEngine(HierarchicalConfiguration node) {
+    String name = node.getString("name");
+    String impl = node.getString("implementation");
+    ExecutionEngine.Type type = ExecutionEngine.Type.valueOf(
+      node.getString("type")
+    );
+    ExecutionEngine engine = new ExecutionEngine(name, impl, type);
+    for (Iterator it = node.getKeys("properties"); it.hasNext();) {
+      String key = (String) it.next();
+      String value = node.getString(key);
+      engine.addProperty(key.replace("properties.", ""), value);
+    }
+    return engine;
+  }
+
+  public void addDefaultEngineConfig(PropertyListConfiguration config) {
+    // loop engines and add them to config
+    for (Entry<String, ExecutionEngine> entryEngine : this.engines.entrySet()) {
+      ExecutionEngine engine = entryEngine.getValue();
+      config.addProperty("execution.engine(-1).name", engine.getName());
+      config.addProperty(
+        "execution.engine.implementation",
+        engine.getImplementation()
+      );
+      config.addProperty("execution.engine.type", engine.getType());
+      for (Entry<Object, Object> entryProperty : engine
+        .getProperties()
+        .entrySet()) {
+        config.addProperty(
+          "execution.engine.properties." + entryProperty.getKey(),
+          entryProperty.getValue()
+        );
+      }
+    }
+  }
+
+  public HashMap<String, ExecutionEngine> getEngines() {
+    return engines;
+  }
+
+  public Set<String> getEnginesList() {
+    return this.engines.keySet();
+  }
+}

portal/src/main/java/edu/isi/wings/portal/classes/config/ExecutionEngine.java

@@ -0,0 +1,67 @@
+package edu.isi.wings.portal.classes.config;
+
+import java.util.Properties;
+
+/**
+ * Created by varun on 13/07/2015.
+ */
+public class ExecutionEngine {
+
+  public static enum Type {
+    PLAN,
+    STEP,
+    BOTH,
+  }
+
+  ExecutionEngine.Type type;
+  String name;
+  String implementation;
+  Properties props;
+
+  public ExecutionEngine(
+    String name,
+    String implementation,
+    ExecutionEngine.Type type
+  ) {
+    this.type = type;
+    this.name = name;
+    this.implementation = implementation;
+    props = new Properties();
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public ExecutionEngine.Type getType() {
+    return type;
+  }
+
+  public void setType(ExecutionEngine.Type type) {
+    this.type = type;
+  }
+
+  public String getImplementation() {
+    return implementation;
+  }
+
+  public void setImplementation(String implementation) {
+    this.implementation = implementation;
+  }
+
+  public Properties getProperties() {
+    return props;
+  }
+
+  public void setProperties(Properties props) {
+    this.props = props;
+  }
+
+  public void addProperty(String key, String value) {
+    this.props.setProperty(key, value);
+  }
+}