[isis] 03/18: ISIS-1784: adds PersonaEnumPersistAll as out-of-the-box fixture script implementation to use to persist all instances of a enum implementing PersonaWithBuilderScript

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commit 5704a2b922e92b15014642e7a459da20ad492ac1
Author: Dan Haywood <da...@haywood-associates.co.uk>
AuthorDate: Mon Dec 4 08:40:21 2017 +0000

    ISIS-1784: adds PersonaEnumPersistAll as out-of-the-box fixture script implementation to use to persist all instances of a enum implementing PersonaWithBuilderScript
---
 .../setup/PersonaEnumPersistAll.java               | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)

diff --git a/core/applib/src/main/java/org/apache/isis/applib/fixturescripts/setup/PersonaEnumPersistAll.java b/core/applib/src/main/java/org/apache/isis/applib/fixturescripts/setup/PersonaEnumPersistAll.java
new file mode 100644
index 0000000..f2a1781
--- /dev/null
+++ b/core/applib/src/main/java/org/apache/isis/applib/fixturescripts/setup/PersonaEnumPersistAll.java
@@ -0,0 +1,90 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ */
+package org.apache.isis.applib.fixturescripts.setup;
+
+import java.util.List;
+
+import com.google.common.collect.Lists;
+
+import org.apache.isis.applib.fixturescripts.BuilderScriptAbstract;
+import org.apache.isis.applib.fixturescripts.FixtureScript;
+import org.apache.isis.applib.fixturescripts.FixtureScriptWithExecutionStrategy;
+import org.apache.isis.applib.fixturescripts.FixtureScripts;
+import org.apache.isis.applib.fixturescripts.PersonaWithBuilderScript;
+import org.apache.isis.applib.services.registry.ServiceRegistry2;
+
+public class PersonaEnumPersistAll<E extends Enum<E> & PersonaWithBuilderScript<T,F>, T, F extends BuilderScriptAbstract<T,F>>
+        extends FixtureScript
+        implements FixtureScriptWithExecutionStrategy {
+
+    private final Class<E> personaEnumClass;
+
+    public PersonaEnumPersistAll(final Class<E> demoDataClass) {
+        this.personaEnumClass = demoDataClass;
+    }
+
+    /**
+     * The number of objects to create.
+     */
+    private Integer number;
+    public Integer getNumber() {
+        return number;
+    }
+
+    public void setNumber(final Integer number) {
+        this.number = number;
+    }
+
+    /**
+     * The objects created by this fixture (output).
+     */
+    private final List<T> objects = Lists.newArrayList();
+    public List<T> getObjects() {
+        return objects;
+    }
+
+    @Override
+    protected void execute(final FixtureScript.ExecutionContext ec) {
+
+        final E[] enumConstants = personaEnumClass.getEnumConstants();
+        final int max = enumConstants.length;
+
+        // defaults
+        final int number = defaultParam("number", ec, max);
+
+        // validate
+        if(number < 0 || number > max) {
+            throw new IllegalArgumentException(String.format("number must be in range [0,%d)", max));
+        }
+
+        for (int i = 0; i < number; i++) {
+            final F enumFixture = enumConstants[i].builder();
+            final T domainObject = ec.executeChildT(this, enumFixture).getObject();
+            ec.addResult(this, domainObject);
+            objects.add(domainObject);
+        }
+    }
+
+    @Override
+    public FixtureScripts.MultipleExecutionStrategy getMultipleExecutionStrategy() {
+        return FixtureScripts.MultipleExecutionStrategy.EXECUTE_ONCE_BY_VALUE;
+    }
+
+}
+

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