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Posted to commits@isis.apache.org by da...@apache.org on 2016/10/21 15:00:57 UTC

[03/44] isis git commit: ISIS-1477: add null checking in case there are no parameters in the DTO (as appears to be the case for 0-arg commands).

ISIS-1477: add null checking in case there are no parameters in the DTO (as appears to be the case for 0-arg commands).


Project: http://git-wip-us.apache.org/repos/asf/isis/repo
Commit: http://git-wip-us.apache.org/repos/asf/isis/commit/a8837d43
Tree: http://git-wip-us.apache.org/repos/asf/isis/tree/a8837d43
Diff: http://git-wip-us.apache.org/repos/asf/isis/diff/a8837d43

Branch: refs/heads/master
Commit: a8837d433863b2d527016f0504e70b615a11c7fc
Parents: 32e0161
Author: Dan Haywood <da...@haywood-associates.co.uk>
Authored: Tue Aug 23 22:04:39 2016 +0100
Committer: Dan Haywood <da...@haywood-associates.co.uk>
Committed: Tue Aug 23 22:04:39 2016 +0100

----------------------------------------------------------------------
 .../background/BackgroundCommandExecution.java  | 22 +++++++++++++-------
 1 file changed, 14 insertions(+), 8 deletions(-)
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http://git-wip-us.apache.org/repos/asf/isis/blob/a8837d43/core/runtime/src/main/java/org/apache/isis/core/runtime/services/background/BackgroundCommandExecution.java
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diff --git a/core/runtime/src/main/java/org/apache/isis/core/runtime/services/background/BackgroundCommandExecution.java b/core/runtime/src/main/java/org/apache/isis/core/runtime/services/background/BackgroundCommandExecution.java
index 2b3c8cb..6362647 100644
--- a/core/runtime/src/main/java/org/apache/isis/core/runtime/services/background/BackgroundCommandExecution.java
+++ b/core/runtime/src/main/java/org/apache/isis/core/runtime/services/background/BackgroundCommandExecution.java
@@ -16,6 +16,7 @@
  */
 package org.apache.isis.core.runtime.services.background;
 
+import java.util.Collections;
 import java.util.List;
 
 import com.google.common.base.Function;
@@ -51,6 +52,7 @@ import org.apache.isis.schema.cmd.v1.ActionDto;
 import org.apache.isis.schema.cmd.v1.CommandDto;
 import org.apache.isis.schema.cmd.v1.MemberDto;
 import org.apache.isis.schema.cmd.v1.ParamDto;
+import org.apache.isis.schema.cmd.v1.ParamsDto;
 import org.apache.isis.schema.cmd.v1.PropertyDto;
 import org.apache.isis.schema.common.v1.InteractionType;
 import org.apache.isis.schema.common.v1.OidDto;
@@ -107,13 +109,6 @@ public abstract class BackgroundCommandExecution extends AbstractIsisSessionTemp
             final IsisTransactionManager transactionManager,
             final Command backgroundCommand) {
 
-
-        //
-        // TODO: need to generalize so that can invoke property modifications also.
-        //
-
-
-
         transactionManager.executeWithinTransaction(
                 backgroundCommand,
                 new TransactionalClosure() {
@@ -332,7 +327,7 @@ public abstract class BackgroundCommandExecution extends AbstractIsisSessionTemp
     }
 
     private ObjectAdapter[] argAdaptersFor(final ActionDto actionDto) {
-        final List<ParamDto> params = actionDto.getParameters().getParameter();
+        final List<ParamDto> params = paramDtosFrom(actionDto);
         final List<ObjectAdapter> args = Lists.newArrayList(
                 Iterables.transform(params, new Function<ParamDto, ObjectAdapter>() {
                     @Override
@@ -345,6 +340,17 @@ public abstract class BackgroundCommandExecution extends AbstractIsisSessionTemp
         return args.toArray(new ObjectAdapter[]{});
     }
 
+    private static List<ParamDto> paramDtosFrom(final ActionDto actionDto) {
+        final ParamsDto parameters = actionDto.getParameters();
+        if (parameters != null) {
+            final List<ParamDto> parameterList = parameters.getParameter();
+            if (parameterList != null) {
+                return parameterList;
+            }
+        }
+        return Collections.emptyList();
+    }
+
     // //////////////////////////////////////
 
     @javax.inject.Inject