Fix #256: Support sameEntity in none and all

Add support for the `sameEntity` attribute to `none` and `all`
statements. The attribute does not make sense in `any` statements.

Author: cboehme

src/main/resources/schemata/metamorph.xsd

@@ -230,6 +230,7 @@
 			<attribute name="flushWith" type="string" use="optional" />
 			<attribute name="reset" type="boolean" use="optional"
 				default="false" />
+			<attribute name="sameEntity" type="boolean" use="optional" default="false" />
 		</complexType>
 	</element>
 
@@ -268,6 +269,7 @@
 				default="record" />
 			<attribute name="reset" type="boolean" use="optional"
 				default="false" />
+			<attribute name="sameEntity" type="boolean" use="optional" default="false" />
 		</complexType>
 	</element>
 

src/test/java/org/culturegraph/mf/morph/collectors/AllTest.xml

@@ -189,4 +189,41 @@
 		</result>
 	</test-case>
 
+	<test-case name="should reset when entity changes if sameEntity">
+		<input type="text/x-cg+xml">
+			<cgxml:cgxml version="1.0">
+				<cgxml:records>
+					<cgxml:record id="1">
+						<cgxml:entity name="entity">
+							<cgxml:literal name="data2" value="A" />
+						</cgxml:entity>
+						<cgxml:entity name="entity">
+							<cgxml:literal name="data1" value="A" />
+						</cgxml:entity>
+					</cgxml:record>
+				</cgxml:records>
+			</cgxml:cgxml>
+		</input>
+
+		<transformation type="text/x-metamorph+xml">
+			<mm:metamorph version="1">
+				<mm:rules>
+					<mm:all sameEntity="true">
+						<mm:data source="entity.data2" />
+						<mm:data source="entity.data1" />
+					</mm:all>
+				</mm:rules>
+			</mm:metamorph>
+		</transformation>
+
+		<result type="text/x-cg+xml">
+			<cgxml:cgxml version="1.0">
+				<cgxml:records>
+					<cgxml:record id="1">
+					</cgxml:record>
+				</cgxml:records>
+			</cgxml:cgxml>
+		</result>
+	</test-case>
+
 </metamorph-test>

src/test/java/org/culturegraph/mf/morph/collectors/NoneTest.xml

@@ -154,4 +154,41 @@
 		</result>
 	</test-case>
 
+	<test-case name="should reset when entity changes if sameEntity">
+		<input type="text/x-cg+xml">
+			<cgxml:cgxml version="1.0">
+				<cgxml:records>
+					<cgxml:record id="1">
+						<cgxml:entity name="entity">
+							<cgxml:literal name="data2" value="A" />
+						</cgxml:entity>
+						<cgxml:entity name="entity">
+							<cgxml:literal name="data1" value="A" />
+						</cgxml:entity>
+					</cgxml:record>
+				</cgxml:records>
+			</cgxml:cgxml>
+		</input>
+
+		<transformation type="text/x-metamorph+xml">
+			<mm:metamorph version="1">
+				<mm:rules>
+					<mm:none sameEntity="true">
+						<mm:data source="entity.data2" />
+					</mm:none>
+				</mm:rules>
+			</mm:metamorph>
+		</transformation>
+
+		<result type="text/x-cg+xml">
+			<cgxml:cgxml version="1.0">
+				<cgxml:records>
+					<cgxml:record id="1">
+						<cgxml:literal name="" value="true" />
+					</cgxml:record>
+				</cgxml:records>
+			</cgxml:cgxml>
+		</result>
+	</test-case>
+
 </metamorph-test>