Java Index类代码示例

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本文整理汇总了Java中org.neo4j.graphdb.index.Index类的典型用法代码示例。如果您正苦于以下问题：Java Index类的具体用法？Java Index怎么用？Java Index使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

Index类属于org.neo4j.graphdb.index包，在下文中一共展示了Index类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: getTypedNodeTokenCount

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
public Long getTypedNodeTokenCount(String type, String pattern, Boolean sensitive) {
	Long frequency = (long) 0;

	try ( Transaction ignored = database.beginTx(); ) {
		IndexManager index = database.index();
		Index<Node> nodeIndex = index.forNodes(type);
		for (Node match : nodeIndex.get("label", pattern)) {
			if (!sensitive || ((String) match.getProperty("label")).equals(pattern)) {
				Object count = match.getProperty("token_count");
				if (count instanceof Integer)
					frequency = frequency + new Long((Integer) count);
				else if (count instanceof Long)
					frequency = frequency + (Long) count;
			}
		}
	}
	
	return frequency;
}

开发者ID:Taalmonsters，项目名称:WhiteLab2.0-Neo4J-Plugin，代码行数:20，代码来源:CypherExecutor.java

示例2: getMetadataLabel

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
protected Response getMetadataLabel(final String label) {
	StreamingOutput stream = new StreamingOutput()
	{
		@Override
		public void write( OutputStream os ) throws IOException, WebApplicationException
		{
			try ( Transaction tx = database.beginTx() ) {
				JsonGenerator jg = objectMapper.getFactory().createGenerator(os, JsonEncoding.UTF8);
				IndexManager index = database.index();
				Index<Node> metadata = index.forNodes("Metadatum");
				jg.writeStartArray();
				for ( Node metadatum : metadata.query( "label:"+label ) ) {
					executor.writeField(metadatum, jg);
				}
				jg.writeEndArray();
				jg.flush();
				tx.success();
			}
		}
	};

	return Response.ok().entity( stream ).type( MediaType.APPLICATION_JSON ).build();
}

开发者ID:Taalmonsters，项目名称:WhiteLab2.0-Neo4J-Plugin，代码行数:24，代码来源:MetadatumSearcher.java

示例3: updateMetadataLabel

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
protected Response updateMetadataLabel(final String label, final String property, final String value) {
	StreamingOutput stream = new StreamingOutput()
	{
		@Override
		public void write( OutputStream os ) throws IOException, WebApplicationException
		{
			try ( Transaction tx = database.beginTx() ) {
				JsonGenerator jg = objectMapper.getFactory().createGenerator(os, JsonEncoding.UTF8);
				IndexManager index = database.index();
				Index<Node> metadata = index.forNodes("Metadatum");
				for ( Node metadatum : metadata.query( "label:"+label ) ) {
					if (property.equals("explorable") || property.equals("searchable"))
						metadatum.setProperty(property, Boolean.valueOf(value));
					else
						metadatum.setProperty(property, value);
				}
				jg.writeString("Updated "+label);
				jg.flush();
				tx.success();
			}
		}
	};

	return Response.ok().entity( stream ).type( MediaType.APPLICATION_JSON ).build();
}

开发者ID:Taalmonsters，项目名称:WhiteLab2.0-Neo4J-Plugin，代码行数:26，代码来源:MetadatumSearcher.java

示例4: getMetadataGroupKey

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
protected Response getMetadataGroupKey(final String group, final String key) {
	StreamingOutput stream = new StreamingOutput()
	{
		@Override
		public void write( OutputStream os ) throws IOException, WebApplicationException
		{
			try ( Transaction tx = database.beginTx() ) {
				JsonGenerator jg = objectMapper.getFactory().createGenerator(os, JsonEncoding.UTF8);
				IndexManager index = database.index();
				Index<Node> metadata = index.forNodes("Metadatum");
				jg.writeStartArray();
				for ( Node metadatum : metadata.query( "group:"+group+" AND key:"+key ) ) {
					executor.writeField(metadatum, jg);
				}
				jg.writeEndArray();
				jg.flush();
				tx.success();
			}
		}
	};

	return Response.ok().entity( stream ).type( MediaType.APPLICATION_JSON ).build();
}

开发者ID:Taalmonsters，项目名称:WhiteLab2.0-Neo4J-Plugin，代码行数:24，代码来源:MetadatumSearcher.java

示例5: deleteIndex

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void deleteIndex()
{
    GraphDatabaseService graphDb = new TestGraphDatabaseFactory().newImpermanentDatabase();
    try ( Transaction tx = graphDb.beginTx() )
    {
        // START SNIPPET: delete
        IndexManager index = graphDb.index();
        Index<Node> actors = index.forNodes( "actors" );
        actors.delete();
        // END SNIPPET: delete
        tx.success();
    }
    assertFalse( indexExists( graphDb ) );
    graphDb.shutdown();
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:17，代码来源:ImdbDocTest.java

示例6: fulltext

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void fulltext()
{
    // START SNIPPET: fulltext
    IndexManager index = graphDb.index();
    Index<Node> fulltextMovies = index.forNodes( "movies-fulltext",
            MapUtil.stringMap( IndexManager.PROVIDER, "lucene", "type", "fulltext" ) );
    // END SNIPPET: fulltext

    Index<Node> movies = index.forNodes( "movies" );
    Node theMatrix = movies.get( "title", "The Matrix" ).getSingle();
    Node theMatrixReloaded = movies.get( "title", "The Matrix Reloaded" ).getSingle();

    // START SNIPPET: fulltext
    fulltextMovies.add( theMatrix, "title", "The Matrix" );
    fulltextMovies.add( theMatrixReloaded, "title", "The Matrix Reloaded" );
    // search in the fulltext index
    Node found = fulltextMovies.query( "title", "reloAdEd" ).getSingle();
    // END SNIPPET: fulltext
    assertEquals( theMatrixReloaded, found );
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:22，代码来源:ImdbDocTest.java

示例7: makeSureAdditionsCanBeRemoved

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
private void makeSureAdditionsCanBeRemoved( boolean restartTx )
{
    Index<Node> index = nodeIndex( LuceneIndexImplementation.EXACT_CONFIG );
    String key = "name";
    String value = "Mattias";
    assertNull( index.get( key, value ).getSingle() );
    Node node = graphDb.createNode();
    index.add( node, key, value );
    if ( restartTx )
    {
        restartTx();
    }
    assertEquals( node, index.get( key, value ).getSingle() );
    index.remove( node, key, value );
    assertNull( index.get( key, value ).getSingle() );
    restartTx();
    assertNull( index.get( key, value ).getSingle() );
    node.delete();
    index.delete();
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:21，代码来源:TestLuceneIndex.java

示例8: makeSureSomeAdditionsCanBeRemoved

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
private void makeSureSomeAdditionsCanBeRemoved( boolean restartTx )
{
    Index<Node> index = nodeIndex( LuceneIndexImplementation.EXACT_CONFIG );
    String key1 = "name";
    String key2 = "title";
    String value1 = "Mattias";
    assertNull( index.get( key1, value1 ).getSingle() );
    assertNull( index.get( key2, value1 ).getSingle() );
    Node node = graphDb.createNode();
    Node node2 = graphDb.createNode();
    index.add( node, key1, value1 );
    index.add( node, key2, value1 );
    index.add( node2, key1, value1 );
    if ( restartTx )
    {
        restartTx();
    }
    index.remove( node, key1, value1 );
    index.remove( node, key2, value1 );
    assertEquals( node2, index.get( key1, value1 ).getSingle() );
    assertNull( index.get( key2, value1 ).getSingle() );
    assertEquals( node2, index.get( key1, value1 ).getSingle() );
    assertNull( index.get( key2, value1 ).getSingle() );
    node.delete();
    index.delete();
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:27，代码来源:TestLuceneIndex.java

示例9: makeSureWildcardQueriesCanBeAsked

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void makeSureWildcardQueriesCanBeAsked()
{
    Index<Node> index = nodeIndex( LuceneIndexImplementation.EXACT_CONFIG );
    String key = "name";
    String value1 = "neo4j";
    String value2 = "nescafe";
    Node node1 = graphDb.createNode();
    Node node2 = graphDb.createNode();
    index.add( node1, key, value1 );
    index.add( node2, key, value2 );

    for ( int i = 0; i < 2; i++ )
    {
        assertThat( index.query( key, "neo*" ), contains( node1 ) );
        assertThat( index.query( key, "n?o4j" ), contains( node1 ) );
        assertThat( index.query( key, "ne*" ), contains( node1, node2 ) );
        assertThat( index.query( key + ":neo4j" ), contains( node1 ) );
        assertThat( index.query( key + ":neo*" ), contains( node1 ) );
        assertThat( index.query( key + ":n?o4j" ), contains( node1 ) );
        assertThat( index.query( key + ":ne*" ), contains( node1, node2 ) );

        restartTx();
    }
    index.delete();
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:27，代码来源:TestLuceneIndex.java

示例10: makeSureCompositeQueriesCanBeAsked

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void makeSureCompositeQueriesCanBeAsked()
{
    Index<Node> index = nodeIndex( LuceneIndexImplementation.EXACT_CONFIG );
    Node neo = graphDb.createNode();
    Node trinity = graphDb.createNode();
    index.add( neo, "username", "[email protected]" );
    index.add( neo, "sex", "male" );
    index.add( trinity, "username", "[email protected]" );
    index.add( trinity, "sex", "female" );

    for ( int i = 0; i < 2; i++ )
    {
        assertThat( index.query( "username:*@matrix AND sex:male" ), contains( neo ) );
        assertThat( index.query( new QueryContext( "username:*@matrix sex:male" ).defaultOperator( Operator.AND ) ), contains( neo ) );
        assertThat( index.query( "username:*@matrix OR sex:male" ), contains( neo, trinity ) );
        assertThat( index.query( new QueryContext( "username:*@matrix sex:male" ).defaultOperator( Operator.OR ) ), contains( neo, trinity ) );

        restartTx();
    }
    index.delete();
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:23，代码来源:TestLuceneIndex.java

示例11: testIndexNumberAsString

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void testIndexNumberAsString()
{
    Index<Node> index = nodeIndex( LuceneIndexImplementation.EXACT_CONFIG );
    Node node1 = graphDb.createNode();
    index.add( node1, "key", 10 );

    for ( int i = 0; i < 2; i++ )
    {
        assertEquals( node1, index.get( "key", 10 ).getSingle() );
        assertEquals( node1, index.get( "key", "10" ).getSingle() );
        assertEquals( node1, index.query( "key", 10 ).getSingle() );
        assertEquals( node1, index.query( "key", "10" ).getSingle() );
        restartTx();
    }
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:17，代码来源:TestLuceneIndex.java

示例12: makeSureFulltextConfigIsCaseInsensitiveByDefault

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void makeSureFulltextConfigIsCaseInsensitiveByDefault()
{
    Index<Node> index = nodeIndex( LuceneIndexImplementation.FULLTEXT_CONFIG );
    Node node = graphDb.createNode();
    String key = "name";
    String value = "Mattias Persson";
    index.add( node, key, value );
    for ( int i = 0; i < 2; i++ )
    {
        assertThat( index.query( "name", "[A TO Z]" ), contains( node ) );
        assertThat( index.query( "name", "[a TO z]" ), contains( node ) );
        assertThat( index.query( "name", "Mattias" ), contains( node ) );
        assertThat( index.query( "name", "mattias" ), contains( node ) );
        assertThat( index.query( "name", "Matt*" ), contains( node ) );
        assertThat( index.query( "name", "matt*" ), contains( node ) );
        restartTx();
    }
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:20，代码来源:TestLuceneIndex.java

示例13: makeSureFulltextIndexCanBeCaseSensitive

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void makeSureFulltextIndexCanBeCaseSensitive()
{
    Index<Node> index = nodeIndex( MapUtil.stringMap(
            new HashMap<>( LuceneIndexImplementation.FULLTEXT_CONFIG ),
                    "to_lower_case", "false" ) );
    Node node = graphDb.createNode();
    String key = "name";
    String value = "Mattias Persson";
    index.add( node, key, value );
    for ( int i = 0; i < 2; i++ )
    {
        assertThat( index.query( "name", "[A TO Z]" ), contains( node ) );
        assertThat( index.query( "name", "[a TO z]" ), isEmpty() );
        assertThat( index.query( "name", "Matt*" ), contains( node ) );
        assertThat( index.query( "name", "matt*" ), isEmpty() );
        assertThat( index.query( "name", "Persson" ), contains( node ) );
        assertThat( index.query( "name", "persson" ), isEmpty() );
        restartTx();
    }
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:22，代码来源:TestLuceneIndex.java

示例14: testScoring

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void testScoring()
{
    Index<Node> index = nodeIndex( LuceneIndexImplementation.FULLTEXT_CONFIG );
    Node node1 = graphDb.createNode();
    Node node2 = graphDb.createNode();
    String key = "text";
    // Where the heck did I get this sentence from?
    index.add( node1, key, "a time where no one was really awake" );
    index.add( node2, key, "once upon a time there was" );
    restartTx();

    IndexHits<Node> hits = index.query( key, new QueryContext( "once upon a time was" ).sort( Sort.RELEVANCE ) );
    Node hit1 = hits.next();
    float score1 = hits.currentScore();
    Node hit2 = hits.next();
    float score2 = hits.currentScore();
    assertEquals( node2, hit1 );
    assertEquals( node1, hit2 );
    assertTrue( "Score 1 (" + score1 + ") should have been higher than score 2 (" + score2 + ")", score1 > score2 );
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:22，代码来源:TestLuceneIndex.java

示例15: testCombinedHitsSizeProblem

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void testCombinedHitsSizeProblem()
{
    Index<Node> index = nodeIndex( LuceneIndexImplementation.EXACT_CONFIG );
    Node node1 = graphDb.createNode();
    Node node2 = graphDb.createNode();
    Node node3 = graphDb.createNode();
    String key = "key";
    String value = "value";
    index.add( node1, key, value );
    index.add( node2, key, value );
    restartTx();
    index.add( node3, key, value );
    IndexHits<Node> hits = index.get( key, value );
    assertEquals( 3, hits.size() );
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:17，代码来源:TestLuceneIndex.java

示例16: testSortingWithTopHitsInPartCommittedPartLocal

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void testSortingWithTopHitsInPartCommittedPartLocal()
{
    Index<Node> index = nodeIndex( LuceneIndexImplementation.FULLTEXT_CONFIG );
    Node first = graphDb.createNode();
    Node second = graphDb.createNode();
    Node third = graphDb.createNode();
    Node fourth = graphDb.createNode();
    String key = "key";

    index.add( third, key, "ccc" );
    index.add( second, key, "bbb" );
    restartTx();
    index.add( fourth, key, "ddd" );
    index.add( first, key, "aaa" );

    assertContainsInOrder( index.query( key, new QueryContext( "*" ).sort( key ) ), first, second, third, fourth );
    assertContainsInOrder( index.query( key, new QueryContext( "*" ).sort( key ).top( 2 ) ), first, second );
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:20，代码来源:TestLuceneIndex.java

示例17: shouldNotFindValueDeletedInSameTx

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void shouldNotFindValueDeletedInSameTx()
{
    Index<Node> nodeIndex = graphDb.index().forNodes( "size-after-removal" );
    Node node = graphDb.createNode();
    nodeIndex.add( node, "key", "value" );
    restartTx();

    nodeIndex.remove( node );
    for ( int i = 0; i < 2; i++ )
    {
        IndexHits<Node> hits = nodeIndex.get( "key", "value" );
        assertEquals( 0, hits.size() );
        assertNull( hits.getSingle() );
        hits.close();
        restartTx();
    }
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:19，代码来源:TestLuceneIndex.java

示例18: updateIndex

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void updateIndex() throws Exception {
    String TEXT = "text";
    String NUMERIC = "numeric";
    String TEXT_1 = "text_1";

    Index<Node> index = nodeIndex( LuceneIndexImplementation.EXACT_CONFIG );
    Node n = graphDb.createNode();
    index.add(n, NUMERIC, new ValueContext(5).indexNumeric());
    index.add(n, TEXT, "text");
    index.add(n, TEXT_1, "text");
    commitTx();

    beginTx();
    assertNotNull( index.query( QueryContext.numericRange( NUMERIC, 5, 5, true, true ) ).getSingle() );
    assertNotNull( index.get( TEXT_1, "text" ).getSingle() );
    index.remove( n, TEXT, "text" );
    index.add( n, TEXT, "text 1" );
    commitTx();

    beginTx();
    assertNotNull( index.get(TEXT_1, "text").getSingle() );
    assertNotNull( index.query(QueryContext.numericRange(NUMERIC, 5, 5, true, true)).getSingle() );
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:25，代码来源:TestLuceneIndex.java

示例19: shouldNotBeAbleToIndexNodeThatIsNotCommitted

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Ignore( "an issue that should be fixed at some point" )
@Test( expected = NotFoundException.class )
public void shouldNotBeAbleToIndexNodeThatIsNotCommitted() throws Exception
{
    Index<Node> index = nodeIndex(
            LuceneIndexImplementation.EXACT_CONFIG );
    Node node = graphDb.createNode();
    String key = "noob";
    String value = "Johan";

    WorkThread thread = new WorkThread( "other thread", index, graphDb, node );
    thread.beginTransaction();
    try
    {
        thread.add( node, key, value );
    }
    finally
    {
        thread.rollback();
    }
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:22，代码来源:TestLuceneIndex.java

示例20: putIfAbsentSingleThreaded

import org.neo4j.graphdb.index.Index; //导入依赖的package包/类
@Test
public void putIfAbsentSingleThreaded()
{
    Index<Node> index = nodeIndex( LuceneIndexImplementation.EXACT_CONFIG );
    Node node = graphDb.createNode();
    String key = "name";
    String value = "Mattias";
    String value2 = "Persson";
    assertNull( index.putIfAbsent( node, key, value ) );
    assertEquals( node, index.get( key, value ).getSingle() );
    assertNotNull( index.putIfAbsent( node, key, value ) );
    assertNull( index.putIfAbsent( node, key, value2 ) );
    assertNotNull( index.putIfAbsent( node, key, value2 ) );
    restartTx();
    assertNotNull( index.putIfAbsent( node, key, value ) );
    assertNotNull( index.putIfAbsent( node, key, value2 ) );
    assertEquals( node, index.get( key, value ).getSingle() );
}

开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:19，代码来源:TestLuceneIndex.java

注：本文中的org.neo4j.graphdb.index.Index类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。