build: migration to Gradle 7

1 files changed, 24 insertions, 0 deletions

diff --git a/store/src/main/java/org/eclipse/viatra/solver/data/model/representation/DataRepresentation.java b/store/src/main/java/org/eclipse/viatra/solver/data/model/representation/DataRepresentation.java
new file mode 100644
index 00000000..fd48eb94
--- /dev/null
+++ b/store/src/main/java/org/eclipse/viatra/solver/data/model/representation/DataRepresentation.java
@@ -0,0 +1,24 @@
+package org.eclipse.viatra.solver.data.model.representation;
+
+import org.eclipse.viatra.solver.data.map.ContinousHashProvider;
+
+public abstract class DataRepresentation<K, V> {
+        protected final ContinousHashProvider<K> hashProvider;
+        protected final V defaultValue;
+
+        protected DataRepresentation(ContinousHashProvider<K> hashProvider,     V defaultValue) {
+                this.hashProvider = hashProvider;
+                this.defaultValue = defaultValue;
+        }
+        
+        public abstract String getName();
+        
+        public ContinousHashProvider<K> getHashProvider() {
+                return hashProvider;
+        }
+        public abstract boolean isValidKey(K key);
+
+        public V getDefaultValue() {
+                return defaultValue;
+        }
+}