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https://issues.apache.org/jira/browse/GORA-437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15429826#comment-15429826
]
ASF GitHub Bot commented on GORA-437:
-------------------------------------
Github user lewismc commented on a diff in the pull request:
https://github.com/apache/gora/pull/74#discussion_r75600521
--- Diff:
gora-couchdb/src/main/java/org/apache/gora/couchdb/query/CouchDBResult.java ---
@@ -0,0 +1,85 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.gora.couchdb.query;
+
+import org.apache.gora.couchdb.store.CouchDBStore;
+import org.apache.gora.persistency.Persistent;
+import org.apache.gora.query.Query;
+import org.apache.gora.query.impl.ResultBase;
+import org.apache.gora.store.DataStore;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * CouchDB specific implementation of the {@link
org.apache.gora.query.Result}
+ * interface.
+ */
+public class CouchDBResult<K, T extends Persistent> extends ResultBase<K,
T> {
+
+ /**
+ * Result set containing query results
+ */
+ private List<Map> result;
+
+ protected CouchDBStore dataStore;
+ int position = 0;
+
+ /**
+ * Constructor for the result set
+ *
+ * @param dataStore Data store used
+ * @param query Query used
+ * @param result Result obtained from querying
+ */
+ public CouchDBResult(DataStore<K, T> dataStore, Query<K, T> query,
List<Map> result) {
+ super(dataStore, query);
+ this.result = result;
+ this.dataStore = (CouchDBStore) dataStore;
+ }
+
+ /**
+ * Gets the next item
+ */
+ @Override
+ protected boolean nextInner() throws IOException {
+ if (result == null || result.size() <= 0 || position >= result.size())
{
+ return false;
+ }
+ key = (K) result.get(position).get("_id");
+ persistent = (T) dataStore.newInstance(result.get(position++),
query.getFields());
+ return persistent != null;
+ }
+
+ /**
+ * Gets the items reading progress
+ */
+ @Override
+ public float getProgress() throws IOException, InterruptedException {
+ if (result != null && result.size() > 0) {
+ return (float) position / (float) result.size();
+ } else {
+ return 0;
+ }
+ }
+
+ public List<Map> getResultData() {
--- End diff --
javadoc
> Implement CouchDB Datastore
> ---------------------------
>
> Key: GORA-437
> URL: https://issues.apache.org/jira/browse/GORA-437
> Project: Apache Gora
> Issue Type: New Feature
> Reporter: Furkan KAMACI
> Assignee: cihad güzel
> Labels: gora-couchdb, gsoc2016, storage
> Fix For: 0.8
>
>
> Apache CouchDB is a document-oriented NoSQL database that uses JSON to store
> data, JavaScript as its query language using MapReduce, and HTTP for an API.
> It could be nice to support CouchDB as a datastore at Gora.
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