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From thom...@apache.org
Subject svn commit: r1511807 - in /jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate: ./ AggregateIndex.java AggregateIndexProvider.java
Date Thu, 08 Aug 2013 14:33:33 GMT
Author: thomasm
Date: Thu Aug  8 14:33:32 2013
New Revision: 1511807

URL: http://svn.apache.org/r1511807
Log:
OAK-828 Lucene support for index aggregates (dummy implementation)

Added:
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/AggregateIndex.java
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/AggregateIndexProvider.java

Added: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/AggregateIndex.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/AggregateIndex.java?rev=1511807&view=auto
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/AggregateIndex.java
(added)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/AggregateIndex.java
Thu Aug  8 14:33:32 2013
@@ -0,0 +1,69 @@
+/*
+ * 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.jackrabbit.oak.plugins.index.aggregate;
+
+import org.apache.jackrabbit.oak.spi.query.Cursor;
+import org.apache.jackrabbit.oak.spi.query.Filter;
+import org.apache.jackrabbit.oak.spi.query.QueryIndex.FulltextQueryIndex;
+import org.apache.jackrabbit.oak.spi.state.NodeState;
+
+/**
+ * A virtual full-text that can aggregate nodes based on aggregate definitions.
+ * Internally, it uses another full-text index.
+ */
+public class AggregateIndex implements FulltextQueryIndex {
+    
+    private final FulltextQueryIndex baseIndex;
+    
+    public AggregateIndex(FulltextQueryIndex baseIndex) {
+        this.baseIndex = baseIndex;
+    }
+
+    @Override
+    public double getCost(Filter filter, NodeState rootState) {
+        // TODO dummy implementation
+        if (baseIndex == null) {
+            return Double.POSITIVE_INFINITY;
+        }
+        return baseIndex.getCost(filter, rootState);
+    }
+
+    @Override
+    public Cursor query(Filter filter, NodeState rootState) {
+        // TODO dummy implementation
+        return baseIndex.query(filter, rootState);
+    }
+
+    @Override
+    public String getPlan(Filter filter, NodeState rootState) {
+        // TODO dummy implementation
+        if (baseIndex == null) {
+            return "no plan";
+        }
+        return "aggregate " + baseIndex.getPlan(filter, rootState);
+    }
+
+    @Override
+    public String getIndexName() {
+        // TODO dummy implementation
+        if (baseIndex == null) {
+            return "aggregat";
+        }
+        return "aggregate." + baseIndex.getIndexName();
+    }
+
+}

Added: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/AggregateIndexProvider.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/AggregateIndexProvider.java?rev=1511807&view=auto
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/AggregateIndexProvider.java
(added)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/aggregate/AggregateIndexProvider.java
Thu Aug  8 14:33:32 2013
@@ -0,0 +1,60 @@
+/*
+ * 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.jackrabbit.oak.plugins.index.aggregate;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.Nonnull;
+
+import org.apache.jackrabbit.oak.spi.query.QueryIndex;
+import org.apache.jackrabbit.oak.spi.query.QueryIndex.FulltextQueryIndex;
+import org.apache.jackrabbit.oak.spi.query.QueryIndexProvider;
+import org.apache.jackrabbit.oak.spi.state.NodeState;
+
+/**
+ * A provider for aggregate indexes. It wraps all full-text query indexes.
+ */
+public class AggregateIndexProvider implements QueryIndexProvider {
+    
+    private final QueryIndexProvider baseProvider;
+    
+    AggregateIndexProvider(QueryIndexProvider baseProvider) {
+        this.baseProvider = baseProvider;
+    }
+    
+    @Nonnull
+    public static QueryIndexProvider wrap(
+            @Nonnull QueryIndexProvider baseProvider) {
+        return new AggregateIndexProvider(baseProvider);
+    }
+
+    @Override @Nonnull
+    public List<? extends QueryIndex> getQueryIndexes(NodeState state) {
+        List<? extends QueryIndex> list = baseProvider.getQueryIndexes(state);
+        ArrayList<AggregateIndex> aggregateList = new ArrayList<AggregateIndex>();
+        for (int i = 0; i < list.size(); i++) {
+            QueryIndex index = list.get(i);
+            if (index instanceof FulltextQueryIndex) {
+                aggregateList
+                        .add(new AggregateIndex((FulltextQueryIndex) index));
+            }
+        }
+        return aggregateList;
+    }
+
+}



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