Sed 3921 introduced settings with multitenancy capabilities

step-framework-collections/src/main/java/step/core/objectenricher/ObjectHook.java

@@ -20,6 +20,8 @@
 
 import step.core.AbstractContext;
 
+import java.util.Map;
+
 /**
  * An {@link ObjectHook} is a factory for
  * {@link ObjectFilter} and {@link ObjectEnricher}
@@ -31,6 +33,10 @@ public interface ObjectHook {
 
 	ObjectEnricher getObjectEnricher(AbstractContext context);
 
+	default ObjectValidator getObjectValidator(AbstractContext context, Map<String, Object> config) {
+		return null;
+	}
+
 	/**
 	 * Rebuilds an {@link AbstractContext} based on an object that has been
 	 * previously enriched with an {@link ObjectEnricher} provided by this class

step-framework-collections/src/main/java/step/core/objectenricher/ObjectHookRegistry.java

@@ -19,17 +19,19 @@
 package step.core.objectenricher;
 
 import step.core.AbstractContext;
-import step.core.collections.Filter;
 import step.core.collections.PojoFilter;
-import step.core.collections.PojoFilters;
 import step.core.ql.OQLFilterBuilder;
 
 import java.util.ArrayList;
-import java.util.Objects;
+import java.util.Collections;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
 
 public class ObjectHookRegistry extends ArrayList<ObjectHook> {
 
+	private final Map<String, Object> validatorConfiguration = new ConcurrentHashMap<>();
+
 	/**
 	 * @param context
 	 * @return the composed {@link ObjectFilter} based on all the registered hooks
@@ -48,6 +50,19 @@ public ObjectEnricher getObjectEnricher(AbstractContext context) {
 				.compose(stream().map(hook -> hook.getObjectEnricher(context)).collect(Collectors.toList()));
 	}
 
+	/**
+	 * @param context
+	 * @return the composed {@link ObjectValidator} based on all the registered hooks
+	 */
+	public ObjectValidator getObjectValidator(AbstractContext context) {
+		return ObjectValidatorComposer
+				.compose(stream().map(hook -> hook.getObjectValidator(context, Collections.unmodifiableMap(this.validatorConfiguration))).collect(Collectors.toList()));
+	}
+
+	public Map<String, Object> getValidatorConfiguration(){
+		return this.validatorConfiguration;
+	}
+
 	/**
 	 * Rebuilds an {@link AbstractContext} based on an object that has been
 	 * previously enriched with the composed {@link ObjectEnricher} of this registry

step-framework-collections/src/main/java/step/core/objectenricher/ObjectValidator.java

@@ -0,0 +1,27 @@
+/*
+ * ******************************************************************************
+ *  * Copyright (C) 2020, exense GmbH
+ *  *
+ *  * This file is part of STEP
+ *  *
+ *  * STEP is free software: you can redistribute it and/or modify
+ *  * it under the terms of the GNU Affero General Public License as published by
+ *  * the Free Software Foundation, either version 3 of the License, or
+ *  * (at your option) any later version.
+ *  *
+ *  * STEP is distributed in the hope that it will be useful,
+ *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  * GNU Affero General Public License for more details.
+ *  *
+ *  * You should have received a copy of the GNU Affero General Public License
+ *  * along with STEP.  If not, see <http://www.gnu.org/licenses/>.
+ *  *****************************************************************************
+ */
+package step.core.objectenricher;
+
+public interface ObjectValidator {
+
+    void validateOnSave(EnricheableObject obj);
+
+}

step-framework-collections/src/main/java/step/core/objectenricher/ObjectValidatorComposer.java

@@ -0,0 +1,39 @@
+/*******************************************************************************
+ * Copyright (C) 2020, exense GmbH
+ *
+ * This file is part of STEP
+ *
+ * STEP is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * STEP is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with STEP.  If not, see <http://www.gnu.org/licenses/>.
+ ******************************************************************************/
+package step.core.objectenricher;
+
+import java.util.*;
+import java.util.stream.Stream;
+
+public class ObjectValidatorComposer {
+
+    public static ObjectValidator compose(List<ObjectValidator> list) {
+        return new ObjectValidator() {
+
+            @Override
+            public void validateOnSave(EnricheableObject obj) {
+                nonNullList(list).forEach(overlapper -> overlapper.validateOnSave(obj));
+            }
+
+            private Stream<ObjectValidator> nonNullList(List<ObjectValidator> list) {
+                return list.stream().filter(Objects::nonNull);
+            }
+        };
+    }
+}