Examples with Directory org.apache.lucene.store.Directory used on opensource projects

Example 71 with Directory

use of org.apache.lucene.store.Directory in project neo4j by neo4j.

the class LuceneSchemaIndex method isOnline.

/**
     * Check if this index is marked as online.
     *
     * @return <code>true</code> if index is online, <code>false</code> otherwise
     * @throws IOException
     */
public boolean isOnline() throws IOException {
    ensureOpen();
    AbstractIndexPartition partition = getFirstPartition(getPartitions());
    Directory directory = partition.getDirectory();
    try (DirectoryReader reader = DirectoryReader.open(directory)) {
        Map<String, String> userData = reader.getIndexCommit().getUserData();
        return ONLINE.equals(userData.get(KEY_STATUS));
    }
}

Example 72 with Directory

use of org.apache.lucene.store.Directory in project neo4j by neo4j.

the class AbstractLuceneIndex method addNewPartition.

/**
     * Add new partition to the index.
     *
     * @return newly created partition
     * @throws IOException
     */
AbstractIndexPartition addNewPartition() throws IOException {
    ensureOpen();
    File partitionFolder = createNewPartitionFolder();
    Directory directory = indexStorage.openDirectory(partitionFolder);
    AbstractIndexPartition indexPartition = partitionFactory.createPartition(partitionFolder, directory);
    partitions.add(indexPartition);
    return indexPartition;
}

Example 73 with Directory

use of org.apache.lucene.store.Directory in project crate by crate.

the class LuceneOrderedDocCollectorTest method createLuceneIndex.

private Directory createLuceneIndex() throws IOException {
    Path tmpDir = newTempDir();
    Directory index = FSDirectory.open(tmpDir);
    StandardAnalyzer analyzer = new StandardAnalyzer();
    IndexWriterConfig cfg = new IndexWriterConfig(analyzer);
    IndexWriter w = new IndexWriter(index, cfg);
    for (Long i = 0L; i < 4; i++) {
        if (i < 2) {
            addDocToLucene(w, i + 1);
        } else {
            addDocToLucene(w, null);
        }
        w.commit();
    }
    w.close();
    return index;
}

Example 74 with Directory

use of org.apache.lucene.store.Directory in project crate by crate.

the class LuceneOrderedDocCollectorTest method testSearchAfterQueriesNullsLast.

// search after queries
@Test
public void testSearchAfterQueriesNullsLast() throws Exception {
    Directory index = createLuceneIndex();
    IndexReader reader = DirectoryReader.open(index);
    // reverseOrdering = false, nulls First = false
    // 1  2  null null
    //    ^  (lastCollected = 2)
    FieldDoc afterDoc = new FieldDoc(0, 0, new Object[] { 2L });
    Long[] result = nextPageQuery(reader, afterDoc, false, null);
    assertThat(result, is(new Long[] { 2L, null, null }));
    // reverseOrdering = false, nulls First = false
    // 1  2  null null
    //       ^
    afterDoc = new FieldDoc(0, 0, new Object[] { LuceneMissingValue.missingValue(false, null, SortField.Type.LONG) });
    result = nextPageQuery(reader, afterDoc, false, null);
    assertThat(result, is(new Long[] { null, null }));
    // reverseOrdering = true, nulls First = false
    // 2  1  null null
    //    ^
    afterDoc = new FieldDoc(0, 0, new Object[] { 1L });
    result = nextPageQuery(reader, afterDoc, true, false);
    assertThat(result, is(new Long[] { 1L, null, null }));
    // reverseOrdering = true, nulls First = false
    // 2  1  null null
    //       ^
    afterDoc = new FieldDoc(0, 0, new Object[] { LuceneMissingValue.missingValue(true, false, SortField.Type.LONG) });
    result = nextPageQuery(reader, afterDoc, true, false);
    assertThat(result, is(new Long[] { null, null }));
    reader.close();
}

Example 75 with Directory

use of org.apache.lucene.store.Directory in project crate by crate.

the class LuceneOrderedDocCollectorTest method testSearchAfterQueriesNullsFirst.

@Test
public void testSearchAfterQueriesNullsFirst() throws Exception {
    Directory index = createLuceneIndex();
    IndexReader reader = DirectoryReader.open(index);
    // reverseOrdering = false, nulls First = true
    // null, null, 1, 2
    //                ^  (lastCollected = 2L)
    FieldDoc afterDoc = new FieldDoc(0, 0, new Object[] { 2L });
    Long[] result = nextPageQuery(reader, afterDoc, false, true);
    assertThat(result, is(new Long[] { 2L }));
    // reverseOrdering = false, nulls First = true
    // null, null, 1, 2
    //       ^
    afterDoc = new FieldDoc(0, 0, new Object[] { LuceneMissingValue.missingValue(false, true, SortField.Type.LONG) });
    result = nextPageQuery(reader, afterDoc, false, true);
    assertThat(result, is(new Long[] { null, null, 1L, 2L }));
    // reverseOrdering = true, nulls First = true
    // null, null, 2, 1
    //                ^
    afterDoc = new FieldDoc(0, 0, new Object[] { 1L });
    result = nextPageQuery(reader, afterDoc, true, true);
    assertThat(result, is(new Long[] { 1L }));
    // reverseOrdering = true, nulls First = true
    // null, null, 2, 1
    //       ^
    afterDoc = new FieldDoc(0, 0, new Object[] { LuceneMissingValue.missingValue(true, true, SortField.Type.LONG) });
    result = nextPageQuery(reader, afterDoc, true, true);
    assertThat(result, is(new Long[] { null, null, 2L, 1L }));
    reader.close();
}