时间:2021-07-01 10:21:17 帮助过:24人阅读
测试代码:
package com.tinkerpop.demo;
import com.tinkerpop.blueprints.Direction;
import com.tinkerpop.blueprints.Edge;
import com.tinkerpop.blueprints.Graph;
import com.tinkerpop.blueprints.Vertex;
import com.tinkerpop.blueprints.impls.tg.TinkerGraph;
import com.wingnest.blueprints.impls.jpa.JpaGraph;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
/**
*
*/
public class TinkerPopDemo {
private JpaGraph jpaGraph = null;
@Before
public void setUp() {
//初始化jpa。保存到数据库中。使用hibernate 自动创建表结构。
//如果要使用mysql,这里修改属性。
Map<String, Object> props = new HashMap<String, Object>();
props.put("javax.persistence.jdbc.url", String.format("jdbc:derby:db/HibernateUnit_test_perf;create=true"));
jpaGraph = new JpaGraph("HibernateUnit", props);
}
@After
public void tearDown() throws Exception {
//关闭
jpaGraph.shutdown();
}
@Test
public void testCreate() {
//创建张三数据
Vertex zhangsan = jpaGraph.addVertex(null);
zhangsan.setProperty("name", "zhangsan");
System.out.println("zhangsan:" + zhangsan.getId());
//创建李四数据
Vertex lisi = jpaGraph.addVertex(null);
lisi.setProperty("name", "lisi");
System.out.println("lisi:" + lisi.getId());
//创建王五数据
Vertex wangwu = jpaGraph.addVertex(null);
wangwu.setProperty("name", "wangwu");
System.out.println("wangwu:" + wangwu.getId());
//设置李四和王五朋友关系,friend是连接的名字,可以随意取。
Edge friend1 = jpaGraph.addEdge(null, zhangsan, lisi, "friend");
//设置王五和李四朋友关系
Edge friend2 = jpaGraph.addEdge(null, wangwu, lisi, "friend");
System.out.println("create finish");
}
@Test
public void testQuery() {
//查询全部数据。
queryAll();
queryZhansanFriends();
System.out.println("query finish");
}
private void queryAll() {
Iterable<Vertex> allVertex = jpaGraph.getVertices();
System.out.println("######################query all######################");
for (Vertex vertex : allVertex) {
System.out.print("name:" + vertex.getProperty("name"));
System.out.println(",id:" + vertex.getId());
}
}
private void queryZhansanFriends() {
Vertex zhangsan = jpaGraph.getVertex(1);
System.out.println("######################query zhangsan friends######################");
Iterable<Vertex> zhansanFriends = zhangsan.getVertices(Direction.OUT, "friend");
for (Vertex vertex : zhansanFriends) {
System.out.print("name:" + vertex.getProperty("name"));
System.out.println(",id:" + vertex.getId());
}
}
@Test
public void testDelete() {
Vertex lisi = jpaGraph.getVertex(2);
jpaGraph.removeVertex(lisi);
//删除之后,查询全部。
queryAll();
queryZhansanFriends();
}
}
运行结果:
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Jun 12, 2015 5:19:11 PM org.hibernate.ejb.HibernatePersistence logDeprecation
WARN: HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
Jun 12, 2015 5:19:11 PM org.hibernate.ejb.HibernatePersistence logDeprecation
WARN: HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
Jun 12, 2015 5:19:11 PM org.hibernate.ejb.HibernatePersistence logDeprecation
WARN: HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
Jun 12, 2015 5:19:11 PM org.hibernate.jpa.internal.util.LogHelper logPersistenceUnitInformation
INFO: HHH000204: Processing PersistenceUnitInfo [
name: HibernateUnit
...]
Jun 12, 2015 5:19:11 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {4.3.10.Final}
Jun 12, 2015 5:19:11 PM org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
Jun 12, 2015 5:19:11 PM org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
Jun 12, 2015 5:19:12 PM org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {4.0.5.Final}
Jun 12, 2015 5:19:13 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
WARN: HHH000402: Using Hibernate built-in connection pool (not for production use!)
Jun 12, 2015 5:19:13 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH000401: using driver [org.apache.derby.jdbc.EmbeddedDriver] at URL [jdbc:derby:db/HibernateUnit_test_perf;create=true]
Jun 12, 2015 5:19:13 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH000046: Connection properties: {user=admin, password=****}
Jun 12, 2015 5:19:13 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH000006: Autocommit mode: false
Jun 12, 2015 5:19:13 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000115: Hibernate connection pool size: 20 (min=1)
Jun 12, 2015 5:19:14 PM org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.DerbyTenSevenDialect
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.BpJpaElement.propMap not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaIndexItem.indexName not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaKeyIndex.keyIndexedItems not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaIndex.indexClassName not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaIndex.indexItems not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaIndexBase.version not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.BpJpaProperty.keyName not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaKeyIndexedProperty.propertyId not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaKeyIndexedProperty.keyName not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaKeyIndexedProperty.elementType not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaKeyIndexedProperty.elementId not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.annotations.reflection.JPAOverriddenAnnotationReader checkForOrphanProperties
WARN: HHH000207: Property com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaKeyIndexedProperty.bpJpaKeyIndex not found in class but described in <mapping-file/> (possible typo error)
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.AnnotationBinder bindClass
WARN: HHH000139: Illegal use of @Table in a subclass of a SINGLE_TABLE hierarchy: com.wingnest.blueprints.impls.jpa.internal.models.BpJpaElement
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.AnnotationBinder bindClass
WARN: HHH000139: Illegal use of @Table in a subclass of a SINGLE_TABLE hierarchy: com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaIndexItem
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.AnnotationBinder bindClass
WARN: HHH000139: Illegal use of @Table in a subclass of a SINGLE_TABLE hierarchy: com.wingnest.blueprints.impls.jpa.internal.models.BpJpaVertex
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.AnnotationBinder bindClass
WARN: HHH000139: Illegal use of @Table in a subclass of a SINGLE_TABLE hierarchy: com.wingnest.blueprints.impls.jpa.internal.models.BpJpaEdge
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.AnnotationBinder bindClass
WARN: HHH000139: Illegal use of @Table in a subclass of a SINGLE_TABLE hierarchy: com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaKeyIndex
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.AnnotationBinder bindClass
WARN: HHH000139: Illegal use of @Table in a subclass of a SINGLE_TABLE hierarchy: com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaIndex
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.AnnotationBinder bindClass
WARN: HHH000139: Illegal use of @Table in a subclass of a SINGLE_TABLE hierarchy: com.wingnest.blueprints.impls.jpa.internal.models.BpJpaProperty
Jun 12, 2015 5:19:14 PM org.hibernate.cfg.AnnotationBinder bindClass
WARN: HHH000139: Illegal use of @Table in a subclass of a SINGLE_TABLE hierarchy: com.wingnest.blueprints.impls.jpa.internal.models.index.BpJpaKeyIndexedProperty
Jun 12, 2015 5:19:14 PM org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init>
INFO: HHH000397: Using ASTQueryTranslatorFactory
Jun 12, 2015 5:19:14 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: HHH000228: Running hbm2ddl schema update
Jun 12, 2015 5:19:14 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: HHH000102: Fetching database metadata
Jun 12, 2015 5:19:14 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: HHH000396: Updating schema
Jun 12, 2015 5:19:15 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000261: Table found: .ADMIN.ENTITY
Jun 12, 2015 5:19:15 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000037: Columns: [element_id, id, valuedata, incomingvertex_id, dtype, removed, label, keyname, outgoingvertex_id, version]
Jun 12, 2015 5:19:15 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000108: Foreign keys: [fk_9r4w6h2jlb9a4e9pt3d95girc, fk_wb8dqej10hriw3o6m72yj9p, fk_ay9plo3t1cprfwdwjvp6fdwi6]
Jun 12, 2015 5:19:15 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000126: Indexes: [uk_7hyan3asmdvrxrlywl7v0lj6e, sql150612170336740, uk_ejspyse8mcceolr4vps96aohp, sql150612170337000, sql150612170337030, sql150612170336940]
Jun 12, 2015 5:19:15 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000261: Table found: .ADMIN.INDEX_BASE
Jun 12, 2015 5:19:15 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000037: Columns: [id, bpjpakeyindex_id, indexclassname, elementtype, dtype, removed, elementid, keyname, indexvalue, bpjpaindex_id, propertyid, indexname, version]
Jun 12, 2015 5:19:15 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000108: Foreign keys: [fk_7ipiov9b2bb97hkncnl76mkkm, fk_olnpc5iekqlpsk6n61ucruk96]
Jun 12, 2015 5:19:15 PM org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000126: Indexes: [sql150612170337100, uk_o7ehuddxk2u2rgtqv9c8kbj75, uk_fd9ey72b1ypwplyllo410siv1, sql150612170337080, sql150612170336780, uk_l9wg7u7fi95namecr9p3apnn5, uk_tidr0ggw8dtylnj1ldr1oy4gb, uk_bke0r11vg7q6vtfud90jnfx4, uk_2u6spckbs5deg5048qfvxg5ca]
Jun 12, 2015 5:19:15 PM org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: HHH000232: Schema update complete
Jun 12, 2015 5:19:15 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper$StandardWarningHandler logWarning
WARN: SQL Warning Code: 10000, SQLState: 01J01
Jun 12, 2015 5:19:15 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper$StandardWarningHandler logWarning
WARN: Database ‘db/HibernateUnit_test_perf‘ not created, connection made to existing database instead.
zhangsan:1
lisi:2
wangwu:3
create finish
Jun 12, 2015 5:19:16 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl stop
INFO: HHH000030: Cleaning up connection pool [jdbc:derby:db/HibernateUnit_test_perf;create=true]
Process finished with exit code 0
对数据进行CRUD没有问题。
本文原文连接: http://blog.csdn.net/freewebsys/article/details/46470651 转载请注明出处!
代码就一个pom和java类,非常简单的就把图的数据存储到了数据库中。
存储到mysql里面类似,需要修改下jdbc连接即可。
如果作为业务服务,现在的代码再加点就基本满足了。
虽然数据库存储的比neo4j,solr等稍微慢点,但是运维成本低,数据库可以做主从复制,保护数据,同时多个服务访问一个数据库也可以解决单点服务问题。
数据库的优化非常多,非常方便,同时索引速度也挺快的。这个存储的是关系,一般情况先数据不太大,再使用mycat进行分库分表就可以扩展了。
tinkerpop(2) 使用java调用tinkerpop,存储到derby数据库
标签:数据库 tinkerpop graphdb blueprints