org.apache.blur.command.CoreTestContext.java Source code

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Here is the source code for org.apache.blur.command.CoreTestContext.java

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package org.apache.blur.command;

/**
 * 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.
 */

import java.io.IOException;

import org.apache.blur.BlurConfiguration;
import org.apache.blur.lucene.search.IndexSearcherCloseable;
import org.apache.blur.lucene.search.IndexSearcherCloseableBase;
import org.apache.blur.server.TableContext;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.Version;

public class CoreTestContext extends IndexContext {
    private RAMDirectory directory = new RAMDirectory();

    private CoreTestContext() {
    }

    /**
     * Index will contain 26 documents with the following column/values: alpha =
     * double-letter a-z (lowercase characters); num = 0-25 val = val (constant
     * across all docs)
     * 
     * New columns may be added so don't rely on the column count in tests.
     * 
     * @return
     */
    public static IndexContext newSimpleAlpaNumContext() {
        CoreTestContext ctx = new CoreTestContext();

        IndexWriterConfig conf = new IndexWriterConfig(Version.LUCENE_43, new StandardAnalyzer(Version.LUCENE_43));
        try {
            IndexWriter writer = new IndexWriter(ctx.directory, conf);

            for (int i = 0; i < 26; i++) {
                String alpha = new Character((char) (97 + i)).toString();
                Document doc = new Document();

                doc.add(new Field("id", Integer.toString(i), TextField.TYPE_STORED));
                doc.add(new Field("alpha", alpha + alpha, TextField.TYPE_STORED));
                doc.add(new Field("num", Integer.toString(i), TextField.TYPE_STORED));
                doc.add(new Field("val", "val", TextField.TYPE_STORED));

                writer.addDocument(doc);

                writer.commit();
            }
            writer.commit();
            writer.close();
        } catch (IOException e) {
            throw new RuntimeException("Unable to create test context.", e);
        }

        return ctx;
    }

    @Override
    public TableContext getTableContext() {
        return null;
    }

    @Override
    public Shard getShard() {
        return null;
    }

    @Override
    public IndexSearcherCloseable getIndexSearcher() {
        return new IndexSearcherCloseableBase(getIndexReader(), null) {

            @Override
            public Directory getDirectory() {
                return directory;
            }

            @Override
            public void close() throws IOException {

            }
        };
    }

    @Override
    public IndexReader getIndexReader() {
        try {
            return DirectoryReader.open(directory);
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }

    @Override
    public BlurConfiguration getBlurConfiguration() {
        return null;
    }

    @Override
    public TableContext getTableContext(String table) throws IOException {
        throw new RuntimeException("Not implemented.");
    }

    @Override
    public BlurConfiguration getBlurConfiguration(String table) throws IOException {
        throw new RuntimeException("Not implemented.");
    }

}