X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FCacheEntryBase.java;fp=bundles%2Forg.simantics.db.impl%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fimpl%2Fquery%2FCacheEntryBase.java;h=56da11ace36b718d75ce3fa48ac9012c6f3eedf0;hp=e79f99deae1d06ab4469e1496accd8fbcacb3e97;hb=e460fd6f0af60314e2ca28391ef7ff2043016d97;hpb=fe29fd8956c3881e261ec4eee1cdd2ac27bc0554

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/CacheEntryBase.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/CacheEntryBase.java
index e79f99dea..56da11ace 100644
--- a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/CacheEntryBase.java
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/CacheEntryBase.java
@@ -12,6 +12,7 @@
 package org.simantics.db.impl.query;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Iterator;
 
 import org.simantics.databoard.Bindings;
@@ -339,7 +340,7 @@ public abstract class CacheEntryBase<Procedure> extends CacheEntry<Procedure> {
     }
     
     @Override
-	final public Iterable<CacheEntry<?>> getParents(QueryProcessor processor) {
+	final public Collection<CacheEntry<?>> getParents(QueryProcessor processor) {
 
 		ArrayList<CacheEntry<?>> result = new ArrayList<CacheEntry<?>>();
 		if(p1 != null) result.add(p1);
@@ -471,5 +472,44 @@ public abstract class CacheEntryBase<Procedure> extends CacheEntry<Procedure> {
 
     public CacheEntryBase() {
     }
+    
+    public String classId() {
+        return getClass().getName();
+    }
+
+    public void serializeKey(QuerySerializer serializer) {
+        throw new IllegalStateException("Cannot serialize query key for " + this);
+    }
+    
+    public void serializeValue(QuerySerializer serializer) {
+        throw new IllegalStateException("Cannot serialize query value for " + this);
+    }
+    
+    public void serializeParents(QuerySerializer serializer) {
+        Collection<CacheEntry<?>> ps = getParents(serializer.getQueryProcessor());
+        int sizePos = serializer.writeUnknownSize();
+        int actual = 0;
+        for(CacheEntry<?> entry : ps) {
+            CacheEntryBase b = (CacheEntryBase)entry;
+            String cid = b.classId();
+            if(cid == null) 
+                continue;
+            serializer.serializeId(b.classId());
+            b.serializeKey(serializer);
+            actual++;
+        }
+        serializer.setUnknownSize(sizePos, actual);
+    }
+
+    public long cluster(QueryProcessor processor) {
+        throw new IllegalStateException("Cannot compute query cluster for " + this);
+    }
+
+    public void serialize(QuerySerializer serializer) {
+        serializer.serializeId(classId());
+        serializeKey(serializer);
+        serializeValue(serializer);
+        serializeParents(serializer);
+    }
 
 }