diff options
Diffstat (limited to 'src/main/java')
| -rw-r--r-- | src/main/java/pl/edu/mimuw/cloudatlas/client/AttributeInput.java (renamed from src/main/java/pl/edu/mimuw/cloudatlas/client/Attribute.java) | 2 | ||||
| -rw-r--r-- | src/main/java/pl/edu/mimuw/cloudatlas/client/Client.java | 2 | ||||
| -rw-r--r-- | src/main/java/pl/edu/mimuw/cloudatlas/client/ClientController.java | 174 | ||||
| -rw-r--r-- | src/main/java/pl/edu/mimuw/cloudatlas/client/DataStringInput.java (renamed from src/main/java/pl/edu/mimuw/cloudatlas/client/ContactsString.java) | 2 | ||||
| -rw-r--r-- | src/main/java/pl/edu/mimuw/cloudatlas/model/AttributesMap.java | 3 |
5 files changed, 168 insertions, 15 deletions
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/client/Attribute.java b/src/main/java/pl/edu/mimuw/cloudatlas/client/AttributeInput.java index abaa02a..58e1a30 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/client/Attribute.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/client/AttributeInput.java @@ -2,7 +2,7 @@ package pl.edu.mimuw.cloudatlas.client; import pl.edu.mimuw.cloudatlas.model.Value; -public class Attribute { +public class AttributeInput { private String zoneName; private String attributeName; private String valueString; diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/client/Client.java b/src/main/java/pl/edu/mimuw/cloudatlas/client/Client.java index b63e4fd..ca9e7e0 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/client/Client.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/client/Client.java @@ -2,8 +2,10 @@ package pl.edu.mimuw.cloudatlas.client; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.scheduling.annotation.EnableScheduling; @SpringBootApplication +@EnableScheduling public class Client { public static void main(String[] args) { SpringApplication.run(Client.class, args); diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/client/ClientController.java b/src/main/java/pl/edu/mimuw/cloudatlas/client/ClientController.java index 022c665..ae649c0 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/client/ClientController.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/client/ClientController.java @@ -1,6 +1,7 @@ package pl.edu.mimuw.cloudatlas.client; import com.google.gson.Gson; +import org.springframework.scheduling.annotation.Scheduled; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.*; import org.springframework.stereotype.Controller; @@ -8,13 +9,9 @@ import pl.edu.mimuw.cloudatlas.api.Api; import pl.edu.mimuw.cloudatlas.model.*; import java.net.InetAddress; -import java.net.UnknownHostException; import java.rmi.registry.LocateRegistry; import java.rmi.registry.Registry; -import java.util.ArrayList; -import java.util.HashSet; -import java.util.Map; -import java.util.Set; +import java.util.*; /* should enable reading attribute values stored by the agent @@ -31,6 +28,10 @@ plotting the attributes with numeric values as real-time graphs. public class ClientController { private Api api; + private Map<ValueTime, AttributesMap> attributes; + private String currentZoneName; + private static final int MAX_ENTRIES = 10; + ClientController() { try { Registry registry = LocateRegistry.getRegistry("localhost"); @@ -39,6 +40,13 @@ public class ClientController { System.err.println("Client exception:"); e.printStackTrace(); } + + this.attributes = new LinkedHashMap<ValueTime, AttributesMap>() { + protected boolean removeEldestEntry(Map.Entry<ValueTime, AttributesMap> eldest) { + return size() > MAX_ENTRIES; + } + }; + this.currentZoneName = "/uw/violet07"; } @GetMapping("/") @@ -80,11 +88,11 @@ public class ClientController { @GetMapping("/contacts") public String contactPage(Model model) { - model.addAttribute("contactsObject" , new ContactsString()); + model.addAttribute("contactsObject" , new DataStringInput()); return "contactsForm"; } - private Set<ValueContact> parseContactsString(ContactsString contactsInput) throws Exception { + private Set<ValueContact> parseContactsString(DataStringInput contactsInput) throws Exception { Gson gson = new Gson(); Map<String, ArrayList> contactStrings = gson.fromJson(contactsInput.getString(), Map.class); Set<ValueContact> contactObjects = new HashSet<ValueContact>(); @@ -106,7 +114,7 @@ public class ClientController { } @PostMapping("/contacts") - public String contactPage(@ModelAttribute ContactsString contactsObject, Model model) { + public String contactPage(@ModelAttribute DataStringInput contactsObject, Model model) { boolean success = true; Set<ValueContact> contactObjects; @@ -130,11 +138,11 @@ public class ClientController { @GetMapping("/attribs") public String attribPage(Model model) { - model.addAttribute("attributeObject", new Attribute()); + model.addAttribute("attributeObject", new AttributeInput()); return "attribForm"; } - private Value parseAttributeValue(Attribute attributeObject) throws Exception { + private Value parseAttributeValue(AttributeInput attributeObject) throws Exception { Value attributeValue = null; switch (attributeObject.getAttributeType()) { @@ -159,7 +167,7 @@ public class ClientController { attributeValue = new ValueDuration(attributeObject.getValueString()); break; case "Contact": - ContactsString contactsString = new ContactsString(); + DataStringInput contactsString = new DataStringInput(); contactsString.setString(attributeObject.getValueString()); attributeValue = parseContactsString(contactsString).iterator().next(); break; @@ -175,7 +183,7 @@ public class ClientController { } @PostMapping("/attribs") - public String attribPage(@ModelAttribute Attribute attributeObject, Model model) { + public String attribPage(@ModelAttribute AttributeInput attributeObject, Model model) { boolean success = true; Value attributeValue; @@ -200,8 +208,150 @@ public class ClientController { return "home"; } + private String getAvailableZonesString() { + boolean success = true; + Set<String> availableZones; + String availableZonesString = ""; + + try { + availableZones = api.getZoneSet(); + availableZonesString = availableZones.toString().substring(1, availableZones.toString().length() - 1); + } catch (Exception e) { + success = false; + System.err.println("Client exception:"); + e.printStackTrace(); + } + + if (success) { + return "Available zones are: " + availableZonesString; + } else { + return "No zones available, error occured during fetch"; + } + } + @GetMapping("/values") public String valuesPage(Model model) { + model.addAttribute("availableZones", getAvailableZonesString()); + model.addAttribute("currentZone", "Current zone: " + this.currentZoneName); + model.addAttribute("zoneName", new DataStringInput()); + return "attribChart"; + } + + @Scheduled(fixedRate = 5000) + private void fetchAttributeData() { + AttributesMap attribData; + ValueTime currentTime; + + try { + if (!this.currentZoneName.isEmpty()) { + attribData = api.getZoneAttributeValues(this.currentZoneName); + currentTime = new ValueTime(System.currentTimeMillis()); + this.attributes.put(currentTime, attribData); + } + } catch (Exception e) { + System.err.println("Client exception:"); + e.printStackTrace(); + } + } + + private ArrayList getAllAttributeValues(AttributesMap attribs, Boolean justNumerical) { + ArrayList valuesList = new ArrayList<>(); + Value val; + + for (Map.Entry<Attribute, Value> entry : attribs) { + val = entry.getValue(); + // casting to ValueDouble and ValueInt caused some errors + // and gson turns all numerical values into doubles anyway + if (justNumerical && isValueNumerical(val)) { + valuesList.add(Double.parseDouble(val.toString())); + } else if (!justNumerical) { + valuesList.add(val.toString()); + } + } + + return valuesList; + } + + private boolean isValueNumerical(Value val) { + Type valType = val.getType(); + + if (TypePrimitive.DOUBLE.isCompatible(valType) || TypePrimitive.INTEGER.isCompatible(valType)) { + return true; + } else { + return false; + } + } + + private AttributesMap getLastAttributesMap() { + ArrayList<Map.Entry<ValueTime, AttributesMap>> attribsMap = new ArrayList<>(this.attributes.entrySet()); + return attribsMap.get(attribsMap.size() - 1).getValue(); + } + + private ArrayList<String> getAttributesColumnNames(Boolean justNumerical) { + ArrayList<String> chartValueNames = new ArrayList<>(); + AttributesMap lastAttribMap = getLastAttributesMap(); + + for (Map.Entry<Attribute, Value> e : lastAttribMap) { + if (!justNumerical || isValueNumerical(e.getValue())) { + chartValueNames.add(e.getKey().getName()); + } + } + chartValueNames.add(0, "Timestamp"); + return chartValueNames; + } + + // data format compatible with Google Charts Table and Google Line Chart input + // but it's a generic 2d array table representation + // https://developers.google.com/chart/interactive/docs/gallery/table + private ArrayList<ArrayList> getValuesTable(Boolean justNumerical) { + ArrayList valueRow; + ArrayList<ArrayList> allValues = new ArrayList<>(); + ArrayList<String> valueNames = getAttributesColumnNames(justNumerical); + + for (Map.Entry<ValueTime, AttributesMap> attribMapEntry : this.attributes.entrySet()) { + valueRow = getAllAttributeValues(attribMapEntry.getValue(), justNumerical); + while (valueRow.size() < valueNames.size() - 1) { + valueRow.add(null); + } + valueRow.add(0, attribMapEntry.getKey().toString().substring(11, 19)); + allValues.add(valueRow); + } + + // optional trimming of table length + // if (allValues.size() > 10) { + // allValues = new ArrayList<ArrayList>(allValues.subList(allValues.size() - 11, allValues.size() - 1)); + // } + allValues.add(0, valueNames); + return allValues; + } + + private String processAttribValues(ArrayList<ArrayList> valuesTable) { + String jsonAttributes = ""; + Gson gson = new Gson(); + jsonAttributes = gson.toJson(valuesTable); + System.out.println(jsonAttributes); + return jsonAttributes; + } + + @GetMapping("/attribNumValues") + @ResponseBody + public String attribNumValuesApi() { + return processAttribValues(getValuesTable(true)); + } + + @GetMapping("/attribAllValues") + @ResponseBody + public String attribAllValuesApi() { + return processAttribValues(getValuesTable(false)); + } + + @PostMapping("/values") + public String valuesPage(@ModelAttribute DataStringInput zoneName, Model model) { + this.currentZoneName = zoneName.getString(); + this.attributes.clear(); + model.addAttribute("currentZone", "Current zone: " + this.currentZoneName); + model.addAttribute("availableZones", getAvailableZonesString()); + model.addAttribute("zoneName", new DataStringInput()); return "attribChart"; } } diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/client/ContactsString.java b/src/main/java/pl/edu/mimuw/cloudatlas/client/DataStringInput.java index 7cdd82e..e1465c7 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/client/ContactsString.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/client/DataStringInput.java @@ -1,6 +1,6 @@ package pl.edu.mimuw.cloudatlas.client; -public class ContactsString { +public class DataStringInput { private String string; public String getString() { diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/model/AttributesMap.java b/src/main/java/pl/edu/mimuw/cloudatlas/model/AttributesMap.java index c74c1df..3391417 100644 --- a/src/main/java/pl/edu/mimuw/cloudatlas/model/AttributesMap.java +++ b/src/main/java/pl/edu/mimuw/cloudatlas/model/AttributesMap.java @@ -27,6 +27,7 @@ package pl.edu.mimuw.cloudatlas.model; import java.io.Serializable; import java.util.HashMap; import java.util.Iterator; +import java.util.LinkedHashMap; import java.util.Map; import java.util.Map.Entry; @@ -34,7 +35,7 @@ import java.util.Map.Entry; * Represents a map from <code>Attribute</code> to <code>Value</code>. It cannot contain duplicate keys. */ public class AttributesMap implements Iterable<Entry<Attribute, Value>>, Cloneable, Serializable { - private Map<Attribute, Value> map = new HashMap<Attribute, Value>(); + private Map<Attribute, Value> map = new LinkedHashMap<Attribute, Value>(); private void checkNulls(Attribute attribute, Value value) { if(attribute == null) |