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-rw-r--r--src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/GossipGirlState.java21
-rw-r--r--src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java45
2 files changed, 43 insertions, 23 deletions
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/GossipGirlState.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/GossipGirlState.java
index 251d8b3..0525f41 100644
--- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/GossipGirlState.java
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/GossipGirlState.java
@@ -280,26 +280,7 @@ public class GossipGirlState {
}
public boolean interestedIn(PathName recipientPath, PathName zmiPath) {
- return isPrefix(zmiPath.levelUp(), recipientPath) && !isPrefix(zmiPath, recipientPath);
- }
-
- public boolean isPrefix(PathName prefix, PathName path) {
- List<String> prefixComponents = prefix.getComponents();
- List<String> pathComponents = path.getComponents();
-
- if (prefixComponents.size() > pathComponents.size()) {
- return false;
- }
-
- Iterator<String> prefixIterator = prefixComponents.iterator();
- Iterator<String> pathIterator = pathComponents.iterator();
-
- while (prefixIterator.hasNext()) {
- if (!prefixIterator.next().equals(pathIterator.next())) {
- return false;
- }
- }
- return true;
+ return ValueUtils.isPrefix(zmiPath.levelUp(), recipientPath) && !ValueUtils.isPrefix(zmiPath, recipientPath);
}
public void sentInfo() {
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java
index 999c193..6e7d4dc 100644
--- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java
@@ -2,6 +2,7 @@ package pl.edu.mimuw.cloudatlas.agent.modules;
import java.nio.file.Path;
import java.util.*;
+import java.util.AbstractMap.SimpleImmutableEntry;
import java.util.Map.Entry;
import pl.edu.mimuw.cloudatlas.agent.messages.*;
@@ -19,19 +20,39 @@ public class Stanik extends Module {
private long freshnessPeriod;
private Set<ValueContact> contacts;
private ValueTime contactsTimestamp;
+ private PathName ourPath;
- public Stanik(long freshnessPeriod) {
+ public Stanik(PathName ourPath, long freshnessPeriod) {
super(ModuleType.STATE);
+ this.ourPath = ourPath;
hierarchy = new ZMI();
queries = new HashMap<Attribute, Entry<ValueQuery, ValueTime>>();
hierarchy.getAttributes().add("timestamp", new ValueTime(0l));
this.freshnessPeriod = freshnessPeriod;
this.contactsTimestamp = ValueUtils.currentTime();
this.contacts = new HashSet<>();
+ setDefaultQueries();
}
- public Stanik() {
- this(60 * 1000);
+ private void setDefaultQueries() {
+ String cardinalityQuery = "SELECT sum(cardinality) AS cardinality";
+ String contactsQuery = "SELECT random(5, unfold(contacts)) AS contacts";
+
+ setDefaultQuery("&cardinality", cardinalityQuery);
+ setDefaultQuery("&contacts", contactsQuery);
+ }
+
+ private void setDefaultQuery(String name, String query) {
+ try {
+ ValueQuery queryValue = new ValueQuery(query);
+ queries.put(new Attribute(name), new SimpleImmutableEntry(queryValue, new ValueTime(0l)));
+ } catch (Exception e) {
+ System.out.println("ERROR: failed to compile default query");
+ }
+ }
+
+ public Stanik(PathName ourPath) {
+ this(ourPath, 60 * 1000);
}
public void handleTyped(StanikMessage message) throws InterruptedException, InvalidMessageType {
@@ -61,6 +82,7 @@ public class Stanik extends Module {
public void handleGetState(GetStateMessage message) throws InterruptedException {
pruneHierarchy();
+ addValues();
StateMessage response = new StateMessage(
"",
message.getRequestingModule(),
@@ -78,6 +100,23 @@ public class Stanik extends Module {
pruneZMI(hierarchy, now);
}
+ private void addValues() {
+ addValuesRecursive(hierarchy, 0);
+ }
+
+ private void addValuesRecursive(ZMI zmi, long level) {
+ zmi.getAttributes().addOrChange("level", new ValueInt(level));
+ if (ValueUtils.isPrefix(zmi.getPathName(), ourPath)) {
+ zmi.getAttributes().addOrChange("owner", new ValueString(ourPath.toString()));
+ }
+ if (zmi.getPathName().equals(ourPath)) {
+ zmi.getAttributes().addOrChange("cardinality", new ValueInt(1l));
+ }
+ for (ZMI son : zmi.getSons()) {
+ addValuesRecursive(son, level + 1);
+ }
+ }
+
private boolean pruneZMI(ZMI zmi, ValueTime time) {
Value timestamp = zmi.getAttributes().get("timestamp");