FIXUP small cleanups

Author: mikesname

ehri-core/src/main/java/eu/ehri/project/core/impl/BlueprintsGraphManager.java

@@ -196,10 +196,9 @@ public CloseableIterable<Vertex> getVertices(String key, Object value, EntityCla
     @Override
     public Vertex createVertex(String id, EntityClass type,
             Map<String, ?> data) throws IntegrityError {
-        Preconditions
-                .checkNotNull(id, "null vertex ID given for item creation");
+        Preconditions.checkNotNull(id, "null vertex ID given for item creation");
         Map<String, ?> indexData = getVertexData(id, type, data);
-        checkExists(id);
+        assertDoesNotExist(id);
         Vertex node = graph.addVertex(null);
         for (Map.Entry<String, ?> entry : indexData.entrySet()) {
             if (entry.getValue() == null)
@@ -280,7 +279,7 @@ private <E extends Element> void addProperties(E item, Map<String, ?> data) {
         }
     }
 
-    private void checkExists(String id) throws IntegrityError {
+    private void assertDoesNotExist(String id) throws IntegrityError {
         if (exists(id)) {
             throw new IntegrityError(id);
         }

ehri-ws/src/main/java/eu/ehri/project/ws/ToolsResource.java

@@ -215,7 +215,7 @@ public String fixLinkPermissions(@QueryParam(COMMIT_PARAM) @DefaultValue("false"
      *                   regenerated ID would cause collisions
      * @param tolerant   skip items that could cause collisions rather
      *                   then throwing an error
-     * @param commit     whether or not to rename the item
+     * @param commit     whether to rename the item
      * @param data       the data table
      * @return a tab old-to-new mapping, or an empty
      * body if nothing was changed

ehri-ws/src/main/java/eu/ehri/project/ws/base/CreateResource.java

@@ -37,7 +37,7 @@ public interface CreateResource {
      * @param accessors The users/groups who can initially access this resource.
      * @return A serialized resource representation.
      * @throws PermissionDenied if the user cannot perform the action
-     * @throws DeserializationError if the input data is not well formed
+     * @throws DeserializationError if the input data is not well-formed
      * @throws ValidationError if data constraints are not met
      */
     Response create(Bundle bundle, List<String> accessors)