allow deleting dependencies with exclusions

wizard-common/src/main/java/org/cobbzilla/wizard/model/entityconfig/EntityFieldReference.java

@@ -1,9 +1,6 @@
 package org.cobbzilla.wizard.model.entityconfig;
 
-import lombok.EqualsAndHashCode;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-import lombok.Setter;
+import lombok.*;
 
 import static org.cobbzilla.util.daemon.ZillaRuntime.empty;
 
@@ -11,7 +8,7 @@ import static org.cobbzilla.util.daemon.ZillaRuntime.empty;
  * When the EntityFieldType of a field is 'reference', this object is also attached to the field to describe
  * how to reach the reference.
  */
-@NoArgsConstructor @EqualsAndHashCode(of={"entity", "field"})
+@NoArgsConstructor @EqualsAndHashCode(of={"entity", "field"}) @ToString(of={"entity", "field"})
 public class EntityFieldReference {
 
     public EntityFieldReference (String entity, String field) {

wizard-server/src/main/java/org/cobbzilla/wizard/server/config/PgRestServerConfiguration.java

@@ -46,7 +46,7 @@ import static org.cobbzilla.util.system.CommandShell.execScript;
 import static org.cobbzilla.wizard.model.entityconfig.EntityReferences.getDependencyRefs;
 import static org.cobbzilla.wizard.model.entityconfig.EntityReferences.getDependentEntities;
 
-@Slf4j
+@Slf4j @SuppressWarnings("SpringConfigurationProxyMethods")
 public class PgRestServerConfiguration extends RestServerConfiguration implements HasDatabaseConfiguration {
 
     public static final String ENV_PGPASSWORD = "PGPASSWORD";
@@ -356,9 +356,15 @@ public class PgRestServerConfiguration extends RestServerConfiguration implement
         return dependencyDAOCache.computeIfAbsent(entityClass, c -> getDependencyRefs(c, getDependencies(c)));
     }
 
-    public void deleteDependencies (Identifiable thing) {
+    public void deleteDependencies (Identifiable thing) { deleteDependencies(thing, null); }
+
+    public void deleteDependencies (Identifiable thing, Collection<Class<? extends Identifiable>> excludes) {
         dependencyRefs(thing.getClass()).forEach(
                 dep -> {
+                    if (excludes != null && excludes.stream().anyMatch(depClass -> depClass.getName().equals(dep.getEntity()))) {
+                        log.debug("deleteDependencies("+thing+"): excluding: "+dep);
+                        return;
+                    }
                     final DAO dao = getDaoForEntityClass(dep.getEntity());
                     if (dao instanceof AbstractCRUDDAO) {
                         ((AbstractCRUDDAO) dao).bulkDelete(dep.getField(), thing.getUuid());