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Java IndexManager类代码示例

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


IndexManager类属于org.neo4j.graphdb.index包，在下文中一共展示了IndexManager类的15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，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getTypedNodeTokenCount

import org.neo4j.graphdb.index.IndexManager; //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.IndexManager; //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.IndexManager; //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.IndexManager; //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.IndexManager; //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.IndexManager; //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: testCanIndexRelationships

import org.neo4j.graphdb.index.IndexManager; //导入依赖的package包/类
@Test
public void testCanIndexRelationships()
{
    BatchInserterIndexProvider indexProvider = new LuceneBatchInserterIndexProviderNewImpl( inserter );
    BatchInserterIndex edgesIndex = indexProvider.relationshipIndex(
            "edgeIndex", stringMap( IndexManager.PROVIDER, "lucene", "type", "exact" ) );

    long nodeId1 = inserter.createNode( map( "ID", "1" ) );
    long nodeId2 = inserter.createNode( map( "ID", "2" ) );
    long relationshipId = inserter.createRelationship( nodeId1, nodeId2,
            EdgeType.KNOWS, null );

    edgesIndex.add( relationshipId, map( "EDGE_TYPE", EdgeType.KNOWS.name() ) );
    edgesIndex.flush();

    assertEquals(
            String.format( "Should return relationship id" ),
            new Long( relationshipId ),
            edgesIndex.query( "EDGE_TYPE", EdgeType.KNOWS.name() ).getSingle() );

    indexProvider.shutdown();
}
开发者ID:neo4j-contrib，项目名称:neo4j-lucene5-index，代码行数:23，代码来源:TestLuceneBatchInsert.java

示例8: Neo4JEdgeIndex

import org.neo4j.graphdb.index.IndexManager; //导入依赖的package包/类
public Neo4JEdgeIndex(String name, Neo4JDatabase neo4jDatabase) {

		graph = neo4jDatabase;
		this.name = name;

		if (neo4jDatabase.getGraph() != null)
			index = neo4jDatabase.getIndexer().forRelationships(
					name,
					MapUtil.stringMap(IndexManager.PROVIDER, "lucene", "type",
							"exact"));
		else
			batchIndex = neo4jDatabase.getBatchIndexer().relationshipIndex(
					name,
					MapUtil.stringMap(IndexManager.PROVIDER, "lucene", "type",
							"exact"));

	}
开发者ID:mondo-project，项目名称:mondo-hawk，代码行数:18，代码来源:Neo4JEdgeIndex.java

示例9: WikiNerGraphConnector

import org.neo4j.graphdb.index.IndexManager; //导入依赖的package包/类
private WikiNerGraphConnector(String dbDir) {
	graphDb = new GraphDatabaseFactory().newEmbeddedDatabase(dbDir);
	IndexDefinition indexDefinition;
	Schema schema;
	Transaction tx = graphDb.beginTx();	
	
	schema = graphDb.schema();
	IndexManager index = graphDb.index();
	entities = index.forNodes(entityLabel.name());
	cities = index.forNodes(cityLabel.name());
	try{
		 indexDefinition = schema.indexFor( entityLabel ).on( "nameType" ).create();
	}catch(Exception e){
		
	}
	
	tx.success();
	tx.close();
}
开发者ID:drossner，项目名称:WikiN-G-ER，代码行数:20，代码来源:WikiNerGraphConnector.java

示例10: getOrCreateUserNode

import org.neo4j.graphdb.index.IndexManager; //导入依赖的package包/类
public static Node getOrCreateUserNode(final GraphDatabaseService graphDb,
                                       final String userID) {

    IndexManager index = graphDb.index();
    Index<Node> usersIndex = index.forNodes("users");

    Node node = usersIndex.get("node_id", userID).getSingle();

    if (node == null) {
        node = graphDb.createNode(DynamicLabel.label("User"));
        node.setProperty("node_id", userID);
        usersIndex.add(node, "node_id", userID);
    }

    return node;

}
开发者ID:inveniosoftware-contrib，项目名称:obelix，代码行数:18，代码来源:NeoHelpers.java

示例11: getOrCreateItemNode

import org.neo4j.graphdb.index.IndexManager; //导入依赖的package包/类
public static Node getOrCreateItemNode(final GraphDatabaseService graphDb,
                                       final String itemID) {

    IndexManager index = graphDb.index();
    Index<Node> usersIndex = index.forNodes("items");

    Node node = usersIndex.get("node_id", itemID).getSingle();

    if (node == null) {
        node = graphDb.createNode(DynamicLabel.label("Item"));
        node.setProperty("node_id", itemID);
        usersIndex.add(node, "node_id", itemID);
    }

    return node;

}
开发者ID:inveniosoftware-contrib，项目名称:obelix，代码行数:18，代码来源:NeoHelpers.java

示例12: addItem

import org.neo4j.graphdb.index.IndexManager; //导入依赖的package包/类
@Override
public void addItem(int itemId) {
	Node node = getNodeFromIndex(id);
	int freq = 1;
	//first check if the item has already been added
	String itemAsStr = ITEM_ID_PREFIX + Integer.toString(itemId);		
	if(node.hasProperty(itemAsStr)){
		Integer prevFreq = (Integer) node.getProperty(itemAsStr);
		freq = prevFreq +1;					
	}
	else{ //add to index only once
		//add to lucene index
		IndexManager IM = Utilities.recordDB.index();
		Index<Node> itemIdx = IM.forNodes(ITEM_INDEX_NAME);
		itemIdx.add(node, itemAsStr, "1");
	}
	node.setProperty(itemAsStr, freq);
}
开发者ID:sapirgolan，项目名称:MFIBlocking，代码行数:19，代码来源:DBRecord.java

示例13: addItem

import org.neo4j.graphdb.index.IndexManager; //导入依赖的package包/类
public void addItem(int itemId) {
	Node node = getNodeFromIndex(id);
	int freq = 1;
	//first check if the item has already been added
	String itemAsStr = ITEM_ID_PREFIX + Integer.toString(itemId);		
	if(node.hasProperty(itemAsStr)){
		Integer prevFreq = (Integer) node.getProperty(itemAsStr);
		freq = prevFreq +1;					
	}
	else{ //add to index only once
		//add to lucene index
		IndexManager IM = Utilities.recordDB.index();
		Index<Node> itemIdx = IM.forNodes(ITEM_INDEX_NAME);
		itemIdx.add(node, itemAsStr, "1");
	}
	node.setProperty(itemAsStr, freq);
}
开发者ID:sapirgolan，项目名称:MFIBlocking，代码行数:18，代码来源:DBRecord.java

示例14: createNodeIndex

import org.neo4j.graphdb.index.IndexManager; //导入依赖的package包/类
@Override
public void createNodeIndex(String name, ParcelableError err) throws RemoteException {

    try {
        checkCallerHasWritePermission();
        resumeTrx();

        try {
            IndexManager index = mDb.index();
            index.forNodes(name); // this will create the index
        } finally {
            suspendCurrentTrx("createNodeIndex");
        }
    } catch (Exception e) {
        Log.e(TAG, "Failed to create/access node index '" + name + "'", e);
        err.setError(Errors.TRANSACTION, e.getMessage());
    }
}
开发者ID:neo4j-contrib，项目名称:neo4j-mobile-android，代码行数:19，代码来源:DbWrapper.java

示例15: nodeIndexExists

import org.neo4j.graphdb.index.IndexManager; //导入依赖的package包/类
@Override
public boolean nodeIndexExists(String name, ParcelableError err) throws RemoteException {

    try {
        resumeTrxIfExists();
        try {
            IndexManager index = mDb.index();
            return index.existsForNodes(name);
        } finally {
            suspendCurrentTrx("nodeIndexExists");
        }
    } catch (Exception e) {
        Log.e(TAG, "Failed to determine if node index '" + name + "' exists", e);
        err.setError(Errors.TRANSACTION, e.getMessage());
        return false; // dummy return value
    }
}
开发者ID:neo4j-contrib，项目名称:neo4j-mobile-android，代码行数:18，代码来源:DbWrapper.java


注：本文中的org.neo4j.graphdb.index.IndexManager类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，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。