diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java
index ea17b6a7e..fe9d1d675 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java
@@ -35,6 +35,7 @@ import org.navalplanner.business.calendars.entities.IWorkHours;
 import org.navalplanner.business.planner.entities.HoursDistributor.ResourceWithAssignedHours;
 import org.navalplanner.business.planner.entities.allocationalgorithms.HoursModification;
 import org.navalplanner.business.planner.entities.allocationalgorithms.ResourcesPerDayModification;
+import org.navalplanner.business.resources.daos.IResourceDAO;
 import org.navalplanner.business.resources.entities.Criterion;
 import org.navalplanner.business.resources.entities.Resource;
 
@@ -257,4 +258,9 @@ public class GenericResourceAllocation extends
                 getAssociatedResources());
     }
 
+    @Override
+    public List<Resource> querySuitableResources(IResourceDAO resourceDAO) {
+        return resourceDAO.findAllSatisfyingCriterions(getCriterions());
+    }
+
 }
diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
index f3b85186c..cae321249 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
@@ -44,6 +44,7 @@ import org.navalplanner.business.planner.entities.allocationalgorithms.Allocator
 import org.navalplanner.business.planner.entities.allocationalgorithms.AllocatorForTaskDurationAndSpecifiedResourcesPerDay;
 import org.navalplanner.business.planner.entities.allocationalgorithms.HoursModification;
 import org.navalplanner.business.planner.entities.allocationalgorithms.ResourcesPerDayModification;
+import org.navalplanner.business.resources.daos.IResourceDAO;
 import org.navalplanner.business.resources.entities.Machine;
 import org.navalplanner.business.resources.entities.MachineWorkersConfigurationUnit;
 import org.navalplanner.business.resources.entities.Resource;
@@ -708,4 +709,13 @@ public abstract class ResourceAllocation<T extends DayAssignment> extends
         return !getAssignments().isEmpty();
     }
 
+    /**
+     * Do a query to recover a list of resources that are suitable for this
+     * allocation. For a {@link SpecificResourceAllocation} returns the current
+     * resource. For a {@link GenericResourceAllocation} returns the resources
+     * that currently match this allocation criterions
+     * @return a list of resources that are proper for this allocation
+     */
+    public abstract List<Resource> querySuitableResources(IResourceDAO resourceDAO);
+
 }
diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
index 1b4d929ba..6e99fd96b 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
@@ -23,6 +23,7 @@ package org.navalplanner.business.planner.entities;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -34,6 +35,7 @@ import org.navalplanner.business.calendars.entities.CombinedWorkHours;
 import org.navalplanner.business.calendars.entities.IWorkHours;
 import org.navalplanner.business.planner.entities.allocationalgorithms.HoursModification;
 import org.navalplanner.business.planner.entities.allocationalgorithms.ResourcesPerDayModification;
+import org.navalplanner.business.resources.daos.IResourceDAO;
 import org.navalplanner.business.resources.entities.Resource;
 import org.navalplanner.business.resources.entities.Worker;
 
@@ -223,4 +225,9 @@ public class SpecificResourceAllocation extends
         return ResourcesPerDayModification.create(this, resourcesPerDay);
     }
 
+    @Override
+    public List<Resource> querySuitableResources(IResourceDAO resourceDAO) {
+        return Collections.singletonList(resource);
+    }
+
 }