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------------------------------------------------------------
revno: 15841
committer: Morten Olav Hansen <mortenoh@xxxxxxxxx>
branch nick: dhis2
timestamp: Wed 2014-06-25 16:30:27 +0700
message:
  new classes/interfaces for building transformer pipelines (will be used for node transformations)
added:
  dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/LinearNodePipeline.java
  dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/NodePipeline.java
  dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/NodeTransformer.java
  dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/Pipeline.java
  dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/Transformer.java


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=== added file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/LinearNodePipeline.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/LinearNodePipeline.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/LinearNodePipeline.java	2014-06-25 09:30:27 +0000
@@ -0,0 +1,61 @@
+package org.hisp.dhis.node;
+
+/*
+ * Copyright (c) 2004-2014, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of the HISP project nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ */
+
+import com.google.common.collect.Lists;
+
+import java.util.List;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Simple linear pipeline that run transformers sequentially.
+ *
+ * @author Morten Olav Hansen <mortenoh@xxxxxxxxx>
+ */
+public class LinearNodePipeline implements NodePipeline
+{
+    private List<NodeTransformer> nodeTransformers = Lists.newArrayList();
+
+    @Override
+    public Node process( Node node )
+    {
+        for ( NodeTransformer transformer : nodeTransformers )
+        {
+            node = transformer.transform( node );
+        }
+
+        return node;
+    }
+
+    public void addTransformer( NodeTransformer nodeTransformer )
+    {
+        nodeTransformers.add( checkNotNull( nodeTransformer ) );
+    }
+}

=== added file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/NodePipeline.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/NodePipeline.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/NodePipeline.java	2014-06-25 09:30:27 +0000
@@ -0,0 +1,36 @@
+package org.hisp.dhis.node;
+
+/*
+ * Copyright (c) 2004-2014, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of the HISP project nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ */
+
+/**
+ * @author Morten Olav Hansen <mortenoh@xxxxxxxxx>
+ */
+public interface NodePipeline extends Pipeline<Node>
+{
+}

=== added file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/NodeTransformer.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/NodeTransformer.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/NodeTransformer.java	2014-06-25 09:30:27 +0000
@@ -0,0 +1,36 @@
+package org.hisp.dhis.node;
+
+/*
+ * Copyright (c) 2004-2014, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of the HISP project nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ */
+
+/**
+ * @author Morten Olav Hansen <mortenoh@xxxxxxxxx>
+ */
+public interface NodeTransformer extends Transformer<Node>
+{
+}

=== added file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/Pipeline.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/Pipeline.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/Pipeline.java	2014-06-25 09:30:27 +0000
@@ -0,0 +1,37 @@
+package org.hisp.dhis.node;
+
+/*
+ * Copyright (c) 2004-2014, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of the HISP project nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ */
+
+/**
+ * @author Morten Olav Hansen <mortenoh@xxxxxxxxx>
+ */
+public interface Pipeline<T>
+{
+    T process( T object );
+}

=== added file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/Transformer.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/Transformer.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/node/Transformer.java	2014-06-25 09:30:27 +0000
@@ -0,0 +1,37 @@
+package org.hisp.dhis.node;
+
+/*
+ * Copyright (c) 2004-2014, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of the HISP project nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ */
+
+/**
+ * @author Morten Olav Hansen <mortenoh@xxxxxxxxx>
+ */
+public interface Transformer<T>
+{
+    T transform( T object );
+}