diff options
13 files changed, 495 insertions, 48 deletions
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/Agent.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/Agent.java index 392e0a1..52bd395 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/Agent.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/Agent.java @@ -1,22 +1,45 @@ package pl.edu.mimuw.cloudatlas.agent; +import java.rmi.registry.LocateRegistry; +import java.rmi.registry.Registry; +import java.rmi.server.UnicastRemoteObject; import java.util.ArrayList; import java.util.HashMap; import java.util.Map; +import pl.edu.mimuw.cloudatlas.agent.ApiImplementation; import pl.edu.mimuw.cloudatlas.agent.modules.Module; import pl.edu.mimuw.cloudatlas.agent.modules.ModuleType; import pl.edu.mimuw.cloudatlas.agent.modules.Qurnik; -import pl.edu.mimuw.cloudatlas.agent.modules.RMI; +import pl.edu.mimuw.cloudatlas.agent.modules.Remik; import pl.edu.mimuw.cloudatlas.agent.modules.Stanik; import pl.edu.mimuw.cloudatlas.agent.modules.TimerScheduler; +import pl.edu.mimuw.cloudatlas.api.Api; +import pl.edu.mimuw.cloudatlas.interpreter.Main; +import pl.edu.mimuw.cloudatlas.model.ZMI; public class Agent { + private static EventBus eventBus; + + public static void runRegistry() { + try { + ZMI root = Main.createTestHierarchy2(); + ApiImplementation api = new ApiImplementation(root); + Api apiStub = + (Api) UnicastRemoteObject.exportObject(api, 0); + Registry registry = LocateRegistry.getRegistry(); + registry.rebind("Api", apiStub); + System.out.println("Agent: api bound"); + } catch (Exception e) { + System.err.println("Agent registry initialization exception:"); + e.printStackTrace(); + } + } public static HashMap<ModuleType, Module> initializeModules() { HashMap<ModuleType, Module> modules = new HashMap<ModuleType, Module>(); modules.put(ModuleType.TIMER_SCHEDULER, new TimerScheduler(ModuleType.TIMER_SCHEDULER)); - modules.put(ModuleType.RMI, new RMI(ModuleType.RMI)); + modules.put(ModuleType.RMI, new Remik()); modules.put(ModuleType.STATE, new Stanik()); modules.put(ModuleType.QUERY, new Qurnik()); // TODO add modules as we implement them @@ -61,7 +84,8 @@ public class Agent { HashMap<ModuleType, Executor> executors = initializeExecutors(modules); ArrayList<Thread> executorThreads = initializeExecutorThreads(executors); - Thread eventBusThread = new Thread(new EventBus(executors)); + eventBus = new EventBus(executors); + Thread eventBusThread = new Thread(eventBus); System.out.println("Initializing event bus"); eventBusThread.start(); @@ -71,5 +95,6 @@ public class Agent { public static void main(String[] args) { runModulesAsThreads(); + runRegistry(); } } diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/EventBus.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/EventBus.java index 5b09253..a6d3b2d 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/EventBus.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/EventBus.java @@ -20,6 +20,10 @@ public class EventBus implements Runnable { } } + // Allows for testing with a mock EventBus + protected EventBus() { + } + EventBus(HashMap<ModuleType, Executor> executors) { this.executors = executors; setEventBusReference(); diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/NewApiImplementation.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/NewApiImplementation.java new file mode 100644 index 0000000..4aa5148 --- /dev/null +++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/NewApiImplementation.java @@ -0,0 +1,178 @@ +package pl.edu.mimuw.cloudatlas.agent; + +import java.io.PrintStream; + +import java.rmi.RemoteException; + +import java.util.concurrent.CompletableFuture; +import java.util.List; +import java.util.HashSet; +import java.util.Map; +import java.util.Set; +import java.util.regex.Pattern; +import java.util.regex.Matcher; + + +import pl.edu.mimuw.cloudatlas.agent.messages.RequestStateMessage; +import pl.edu.mimuw.cloudatlas.agent.messages.ResponseMessage; +import pl.edu.mimuw.cloudatlas.agent.messages.StateMessage; +import pl.edu.mimuw.cloudatlas.interpreter.Interpreter; +import pl.edu.mimuw.cloudatlas.interpreter.InterpreterException; +import pl.edu.mimuw.cloudatlas.interpreter.Main; +import pl.edu.mimuw.cloudatlas.interpreter.QueryResult; +import pl.edu.mimuw.cloudatlas.model.Attribute; +import pl.edu.mimuw.cloudatlas.model.AttributesMap; +import pl.edu.mimuw.cloudatlas.model.PathName; +import pl.edu.mimuw.cloudatlas.model.ValueContact; +import pl.edu.mimuw.cloudatlas.model.Value; +import pl.edu.mimuw.cloudatlas.model.ValueQuery; +import pl.edu.mimuw.cloudatlas.model.ValueSet; +import pl.edu.mimuw.cloudatlas.model.ValueNull; +import pl.edu.mimuw.cloudatlas.model.Type; +import pl.edu.mimuw.cloudatlas.model.TypePrimitive; +import pl.edu.mimuw.cloudatlas.model.ZMI; +import pl.edu.mimuw.cloudatlas.api.Api; + +public class NewApiImplementation implements Api { + private EventBus eventBus; + + public NewApiImplementation(EventBus eventBus) { + this.eventBus = eventBus; + } + + public Set<String> getZoneSet() throws RemoteException { + CompletableFuture<ResponseMessage> responseFuture = new CompletableFuture(); + RequestStateMessage message = new RequestStateMessage("", 0, responseFuture); + try { + eventBus.addMessage(message); + ResponseMessage response = responseFuture.get(); + + if (response.getType() == ResponseMessage.Type.STATE) { + StateMessage stateMessage = (StateMessage) response; + Set<String> zones = new HashSet<String>(); + collectZoneNames(stateMessage.getZMI(), zones); + return zones; + } else { + System.out.println("ERROR: getZoneSet didn't receive a StateMessage"); + throw new Exception("Failed to retrieve zone set"); + } + } catch (Exception e) { + System.out.println("ERROR: exception caught in getZoneSet"); + throw new RemoteException(e.getMessage()); + } + } + + private void collectZoneNames(ZMI zone, Set<String> names) { + names.add(zone.getPathName().toString()); + for (ZMI son : zone.getSons()) { + collectZoneNames(son, names); + } + } + + public AttributesMap getZoneAttributeValues(String zoneName) throws RemoteException { + /* + try { + ZMI zmi = root.findDescendant(new PathName(zoneName)); + return zmi.getAttributes(); + } catch (ZMI.NoSuchZoneException e) { + throw new RemoteException("Zone not found", e); + } + */ + + // placeholder + return new AttributesMap(); + } + + public void installQuery(String name, String queryCode) throws RemoteException { + /* + Pattern queryNamePattern = Pattern.compile("&[a-zA-Z][\\w_]*"); + Matcher matcher = queryNamePattern.matcher(name); + if (!matcher.matches()) { + throw new RemoteException("Invalid query identifier"); + } + try { + ValueQuery query = new ValueQuery(queryCode); + Attribute attributeName = new Attribute(name); + installQueryInHierarchy(root, attributeName, query); + executeAllQueries(root); + } catch (Exception e) { + throw new RemoteException("Failed to install query", e); + } + */ + } + + private void installQueryInHierarchy(ZMI zmi, Attribute queryName, ValueQuery query) { + /* + if (!zmi.getSons().isEmpty()) { + zmi.getAttributes().addOrChange(queryName, query); + for (ZMI son : zmi.getSons()) { + installQueryInHierarchy(son, queryName, query); + } + } + */ + } + + public void uninstallQuery(String queryName) throws RemoteException { + // uninstallQueryInHierarchy(root, new Attribute(queryName)); + } + + private void uninstallQueryInHierarchy(ZMI zmi, Attribute queryName) { + /* + if (!zmi.getSons().isEmpty()) { + zmi.getAttributes().remove(queryName); + for (ZMI son : zmi.getSons()) { + uninstallQueryInHierarchy(son, queryName); + } + } + */ + } + + public void setAttributeValue(String zoneName, String attributeName, Value value) throws RemoteException { + /* + try { + ZMI zmi = root.findDescendant(new PathName(zoneName)); + zmi.getAttributes().addOrChange(new Attribute(attributeName), value); + executeAllQueries(root); + } catch (ZMI.NoSuchZoneException e) { + throw new RemoteException("Zone not found", e); + } + */ + } + + private void executeAllQueries(ZMI zmi) { + /* + if(!zmi.getSons().isEmpty()) { + for(ZMI son : zmi.getSons()) { + executeAllQueries(son); + } + + Interpreter interpreter = new Interpreter(zmi); + for (ValueQuery query : getQueries(zmi)) { + try { + List<QueryResult> result = interpreter.interpretProgram(query.getQuery()); + for(QueryResult r : result) { + zmi.getAttributes().addOrChange(r.getName(), r.getValue()); + } + } catch(InterpreterException exception) {} + } + } + */ + } + + private Set<ValueQuery> getQueries(ZMI zmi) { + Set<ValueQuery> querySet = new HashSet<ValueQuery>(); + /* + for (Map.Entry<Attribute, Value> attribute : zmi.getAttributes()) { + if (attribute.getValue().getType().getPrimaryType() == Type.PrimaryType.QUERY) { + querySet.add((ValueQuery) attribute.getValue()); + } + } + */ + + return querySet; + } + + public void setFallbackContacts(Set<ValueContact> contacts) throws RemoteException { + // this.contacts = contacts; + } +} diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/messages/RMIMessage.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/messages/RemikMessage.java index a8e3afb..b0300cb 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/messages/RMIMessage.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/messages/RemikMessage.java @@ -3,9 +3,20 @@ package pl.edu.mimuw.cloudatlas.agent.messages; import pl.edu.mimuw.cloudatlas.agent.modules.Module; import pl.edu.mimuw.cloudatlas.agent.modules.ModuleType; -public class RMIMessage extends AgentMessage { - public RMIMessage(String messageId, long timestamp) { +public abstract class RemikMessage extends AgentMessage { + public enum Type { + REQUEST_STATE + } + + private Type type; + + public RemikMessage(String messageId, long timestamp, Type type) { super(messageId, ModuleType.RMI, timestamp); + this.type = type; + } + + public Type getType() { + return type; } public void callMe(Module module) throws InterruptedException, Module.InvalidMessageType { diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/messages/RequestStateMessage.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/messages/RequestStateMessage.java new file mode 100644 index 0000000..698aac7 --- /dev/null +++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/messages/RequestStateMessage.java @@ -0,0 +1,16 @@ +package pl.edu.mimuw.cloudatlas.agent.messages; + +import java.util.concurrent.CompletableFuture; + +public class RequestStateMessage extends RemikMessage { + CompletableFuture<ResponseMessage> responseFuture; + + public RequestStateMessage(String messageId, long timestamp, CompletableFuture<ResponseMessage> responseFuture) { + super(messageId, timestamp, Type.REQUEST_STATE); + this.responseFuture = responseFuture; + } + + public CompletableFuture<ResponseMessage> getFuture() { + return responseFuture; + } +} diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Module.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Module.java index ba5e1d1..0a934cb 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Module.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Module.java @@ -4,8 +4,8 @@ import pl.edu.mimuw.cloudatlas.agent.Executor; import pl.edu.mimuw.cloudatlas.agent.messages.AgentMessage; import pl.edu.mimuw.cloudatlas.agent.messages.TimerSchedulerMessage; import pl.edu.mimuw.cloudatlas.agent.messages.QurnikMessage; +import pl.edu.mimuw.cloudatlas.agent.messages.RemikMessage; import pl.edu.mimuw.cloudatlas.agent.messages.ResponseMessage; -import pl.edu.mimuw.cloudatlas.agent.messages.RMIMessage; import pl.edu.mimuw.cloudatlas.agent.messages.StanikMessage; /* @@ -37,8 +37,8 @@ public abstract class Module { throw new InvalidMessageType("Got a QurnikMessage in module " + moduleType.toString()); } - public void handleTyped(RMIMessage message) throws InterruptedException, InvalidMessageType { - throw new InvalidMessageType("Got an RMIMessage in module " + moduleType.toString()); + public void handleTyped(RemikMessage message) throws InterruptedException, InvalidMessageType { + throw new InvalidMessageType("Got a RemikMessage in module " + moduleType.toString()); } public void handleTyped(StanikMessage message) throws InterruptedException, InvalidMessageType { diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/RMI.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/RMI.java deleted file mode 100644 index 1a86fc7..0000000 --- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/RMI.java +++ /dev/null @@ -1,37 +0,0 @@ -package pl.edu.mimuw.cloudatlas.agent.modules; - -import pl.edu.mimuw.cloudatlas.agent.ApiImplementation; -import pl.edu.mimuw.cloudatlas.agent.messages.AgentMessage; -import pl.edu.mimuw.cloudatlas.agent.messages.RMIMessage; -import pl.edu.mimuw.cloudatlas.api.Api; -import pl.edu.mimuw.cloudatlas.interpreter.Main; -import pl.edu.mimuw.cloudatlas.model.ZMI; - -import java.rmi.registry.LocateRegistry; -import java.rmi.registry.Registry; -import java.rmi.server.UnicastRemoteObject; - -public class RMI extends Module { - public RMI(ModuleType moduleType) { - super(moduleType); - runRegistry(); - } - - public void runRegistry() { - try { - ZMI root = Main.createTestHierarchy2(); - ApiImplementation api = new ApiImplementation(root); - Api apiStub = - (Api) UnicastRemoteObject.exportObject(api, 0); - Registry registry = LocateRegistry.getRegistry(); - registry.rebind("Api", apiStub); - System.out.println("Agent: api bound"); - } catch (Exception e) { - System.err.println("Agent registry initialization exception:"); - e.printStackTrace(); - } - } - - public void handleTyped(RMIMessage event) throws InterruptedException { - } -} diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Remik.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Remik.java new file mode 100644 index 0000000..9645d71 --- /dev/null +++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Remik.java @@ -0,0 +1,54 @@ +package pl.edu.mimuw.cloudatlas.agent.modules; + +import java.util.concurrent.CompletableFuture; +import java.util.HashMap; +import java.util.Map; + + +import pl.edu.mimuw.cloudatlas.agent.messages.GetStateMessage; +import pl.edu.mimuw.cloudatlas.agent.messages.RemikMessage; +import pl.edu.mimuw.cloudatlas.agent.messages.RequestStateMessage; +import pl.edu.mimuw.cloudatlas.agent.messages.ResponseMessage; + +/* + * Remik is a cute little module that allows RMI functions to interface with + * agent's asynchronous modules. + */ +public class Remik extends Module { + private Map<Long, CompletableFuture<ResponseMessage>> awaitingRequests; + private long nextRequestId = 0; + + public Remik() { + super(ModuleType.RMI); + awaitingRequests = new HashMap(); + } + + public void handleTyped(RemikMessage message) throws InvalidMessageType, InterruptedException { + switch (message.getType()) { + case REQUEST_STATE: + handleRequestState((RequestStateMessage) message); + break; + default: + throw new InvalidMessageType("This type of message cannot be handled by Remik"); + } + } + + public void handleTyped(ResponseMessage message) { + CompletableFuture<ResponseMessage> responseFuture = awaitingRequests.get(message.getRequestId()); + + if (responseFuture == null) { + System.out.println("ERROR: Remik got response for nonexistent/finished request"); + } else { + responseFuture.complete(message); + } + } + + private void handleRequestState(RequestStateMessage message) throws InterruptedException { + awaitingRequests.put(nextRequestId, message.getFuture()); + + GetStateMessage getStateMessage = new GetStateMessage("", 0, ModuleType.RMI, nextRequestId); + nextRequestId++; + + sendMessage(getStateMessage); + } +} diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/model/ZMI.java b/src/main/java/pl/edu/mimuw/cloudatlas/model/ZMI.java index 54fbf43..cda0296 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/model/ZMI.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/model/ZMI.java @@ -219,8 +219,12 @@ public class ZMI implements Cloneable, Serializable { * @return a <code>PathName</code> object representing this zone */ public PathName getPathName() { - String name = ((ValueString)getAttributes().get("name")).getValue(); - return getFather() == null? PathName.ROOT : getFather().getPathName().levelDown(name); + if (getFather() == null) { + return PathName.ROOT; + } else { + String name = ((ValueString)getAttributes().get("name")).getValue(); + return getFather().getPathName().levelDown(name); + } } public static ZMI deserialize(InputStream in) { diff --git a/src/test/java/pl/edu/mimuw/cloudatlas/Container.java b/src/test/java/pl/edu/mimuw/cloudatlas/Container.java new file mode 100644 index 0000000..db5a156 --- /dev/null +++ b/src/test/java/pl/edu/mimuw/cloudatlas/Container.java @@ -0,0 +1,5 @@ +package pl.edu.mimuw.cloudatlas; + +public class Container<T> { + public T thing; +} diff --git a/src/test/java/pl/edu/mimuw/cloudatlas/agent/ApiImplementationTests.java b/src/test/java/pl/edu/mimuw/cloudatlas/agent/ApiImplementationTests.java index c964ed9..0a7a8df 100644 --- a/src/test/java/pl/edu/mimuw/cloudatlas/agent/ApiImplementationTests.java +++ b/src/test/java/pl/edu/mimuw/cloudatlas/agent/ApiImplementationTests.java @@ -3,7 +3,6 @@ package pl.edu.mimuw.cloudatlas.agent; import org.junit.Before; import org.junit.Test; import static org.junit.Assert.*; -import static org.junit.Assert.assertThat; import static org.hamcrest.CoreMatchers.hasItems; import java.util.ArrayList; diff --git a/src/test/java/pl/edu/mimuw/cloudatlas/agent/MockEventBus.java b/src/test/java/pl/edu/mimuw/cloudatlas/agent/MockEventBus.java new file mode 100644 index 0000000..e8f8bfa --- /dev/null +++ b/src/test/java/pl/edu/mimuw/cloudatlas/agent/MockEventBus.java @@ -0,0 +1,17 @@ +package pl.edu.mimuw.cloudatlas.agent; + +import java.util.concurrent.LinkedBlockingQueue; + +import pl.edu.mimuw.cloudatlas.agent.messages.AgentMessage; + +public class MockEventBus extends EventBus { + public LinkedBlockingQueue<AgentMessage> events; + + public MockEventBus() { + events = new LinkedBlockingQueue<AgentMessage>(); + } + + public void addMessage(AgentMessage msg) throws InterruptedException { + events.put(msg); + } +} diff --git a/src/test/java/pl/edu/mimuw/cloudatlas/agent/NewApiImplementationTests.java b/src/test/java/pl/edu/mimuw/cloudatlas/agent/NewApiImplementationTests.java new file mode 100644 index 0000000..a3b57a9 --- /dev/null +++ b/src/test/java/pl/edu/mimuw/cloudatlas/agent/NewApiImplementationTests.java @@ -0,0 +1,171 @@ +package pl.edu.mimuw.cloudatlas.agent; + +import org.junit.Before; +import org.junit.Test; +import static org.junit.Assert.*; +import static org.hamcrest.CoreMatchers.hasItems; + +import java.util.concurrent.TimeUnit; +import java.util.HashSet; +import java.util.Set; + +import pl.edu.mimuw.cloudatlas.Container; +import pl.edu.mimuw.cloudatlas.model.ZMI; +import pl.edu.mimuw.cloudatlas.agent.modules.ModuleType; +import pl.edu.mimuw.cloudatlas.agent.messages.AgentMessage; +import pl.edu.mimuw.cloudatlas.agent.messages.RequestStateMessage; +import pl.edu.mimuw.cloudatlas.agent.messages.StateMessage; + +public class NewApiImplementationTests { + private NewApiImplementation api; + private MockEventBus eventBus; + + @Before + public void initializeApi() throws Exception { + eventBus = new MockEventBus(); + api = new NewApiImplementation(eventBus); + } + + @Test + public void testGetZoneSet() throws Exception { + final Set<String> zoneSet = new HashSet(); + final Container<Exception> exceptionContainer = new Container(); + Thread apiThread = new Thread(() -> { + try { + zoneSet.addAll(api.getZoneSet()); + } catch (Exception e) { + exceptionContainer.thing = e; + } + }); + apiThread.start(); + + AgentMessage message = eventBus.events.poll(100, TimeUnit.MILLISECONDS); + assertNotNull(message); + assertEquals(ModuleType.RMI, message.getDestinationModule()); + RequestStateMessage requestMessage = (RequestStateMessage) message; + + ZMI root = new ZMI(); + StateMessage responseMessage = new StateMessage("", ModuleType.RMI, 0, 0, root, null); + + requestMessage.getFuture().complete(responseMessage); + + apiThread.join(100); + assertFalse(apiThread.isAlive()); + assertNull(exceptionContainer.thing); + + assertThat(zoneSet, hasItems("/")); + } + + /* + @Test + public void testRootGetZoneAttributeValue() throws Exception { + AttributesMap rootAttributes = api.getZoneAttributeValues("/"); + assertEquals(new ValueInt(0l), rootAttributes.get("level")); + assertEquals(ValueNull.getInstance(), rootAttributes.get("name")); + } + + @Test + public void testIntermediateGetZoneAttributeValue() throws Exception { + AttributesMap attributes = api.getZoneAttributeValues("/uw"); + assertEquals(new ValueInt(1l), attributes.get("level")); + assertEquals(new ValueString("uw"), attributes.get("name")); + } + + @Test + public void testLeafGetZoneAttributeValue() throws Exception { + AttributesMap attributes = api.getZoneAttributeValues("/pjwstk/whatever01"); + assertEquals(new ValueInt(2l), attributes.get("level")); + assertEquals(new ValueString("whatever01"), attributes.get("name")); + assertEquals(new ValueString("/pjwstk/whatever01"), attributes.get("owner")); + assertEquals(new ValueTime("2012/11/09 21:12:00.000"), attributes.get("timestamp")); + assertEquals(new ValueInt(1l), attributes.get("cardinality")); + assertEquals(new ValueTime("2012/10/18 07:03:00.000"), attributes.get("creation")); + assertEquals(new ValueDouble(0.1), attributes.get("cpu_usage")); + assertEquals(new ValueInt(7l), attributes.get("num_cores")); + assertEquals(new ValueInt(215l), attributes.get("num_processes")); + + List<Value> phpModules = new ArrayList<Value>(); + phpModules.add(new ValueString("rewrite")); + assertEquals(new ValueList(phpModules, TypePrimitive.STRING), attributes.get("php_modules")); + } + + @Test + public void testInstallQuery() throws Exception { + String name = "&query"; + String queryCode = "SELECT 1 AS one"; + api.installQuery(name, queryCode); + assertAttributeInZmiEquals(name, new ValueQuery(queryCode), "/"); + assertAttributeInZmiEquals(name, new ValueQuery(queryCode), "/uw"); + assertAttributeInZmiEquals(name, new ValueQuery(queryCode), "/pjwstk"); + } + + @Test + public void testInstallQueryRuns() throws Exception { + api.installQuery("&query", "SELECT 1 AS one"); + assertAttributeInZmiEquals("one", new ValueInt(1l), "/"); + assertAttributeInZmiEquals("one", new ValueInt(1l), "/uw"); + assertAttributeInZmiEquals("one", new ValueInt(1l), "/pjwstk"); + } + + @Test + public void testInstallQueryRuns2() throws Exception { + api.installQuery("&query", "SELECT sum(num_processes) AS num_processes"); + assertAttributeInZmiEquals("num_processes", new ValueInt(362l), "/uw"); + assertAttributeInZmiEquals("num_processes", new ValueInt(437l), "/pjwstk"); + assertAttributeInZmiEquals("num_processes", new ValueInt(799l), "/"); + } + + @Test + public void testInstallQueryWithInvalidNameFails() throws Exception { + String name = "query"; + String queryCode = "SELECT 1 AS one"; + try { + api.installQuery(name, queryCode); + assertTrue("should have thrown", false); + } catch (Exception e) { + assertEquals("Invalid query identifier", e.getMessage()); + } + } + + public void assertAttributeInZmiEquals(String attribute, Value expected, String zmiPath) throws Exception { + AttributesMap attributes = api.getZoneAttributeValues(zmiPath); + assertEquals(expected, attributes.get(attribute)); + } + + @Test + public void testUninstallQuery() throws Exception { + String name = "&query"; + String queryCode = "SELECT 1 AS one"; + api.installQuery(name, queryCode); + api.uninstallQuery(name); + AttributesMap attributes = api.getZoneAttributeValues("/pjwstk"); + assertNull(attributes.getOrNull(name)); + } + + @Test + public void testSetAttributeValueChange() throws Exception { + Value numProcesses = new ValueInt(42l); + api.setAttributeValue("/uw/khaki13", "num_processes", numProcesses); + AttributesMap attributes = api.getZoneAttributeValues("/uw/khaki13"); + assertEquals(numProcesses, attributes.get("num_processes")); + } + + @Test + public void testSetAttributeValueAdd() throws Exception { + Value numProcesses = new ValueInt(42l); + api.setAttributeValue("/uw/khaki13", "an_attribute", numProcesses); + AttributesMap attributes = api.getZoneAttributeValues("/uw/khaki13"); + assertEquals(numProcesses, attributes.get("an_attribute")); + } + + @Test + public void testSetAttributeValueRunsQueries() throws Exception { + api.installQuery("&query", "SELECT sum(num_processes) AS num_processes"); + Value numProcesses = new ValueInt(42l); + api.setAttributeValue("/uw/khaki13", "num_processes", numProcesses); + assertAttributeInZmiEquals("num_processes", new ValueInt(297l), "/uw"); + assertAttributeInZmiEquals("num_processes", new ValueInt(437l), "/pjwstk"); + assertAttributeInZmiEquals("num_processes", new ValueInt(734l), "/"); + } + */ +} |