Last active
October 27, 2021 06:55
-
-
Save benoitguigal/a9a2a7fa44cca0c84592283d28a0b743 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
graph = JanusGraphFactory.open('conf/janusgraph-cassandra-es.properties') | |
g = graph.traversal() | |
entityToId = [:] | |
new File('data/nodes.csv').eachLine { line, count -> | |
// Skip header | |
if (count > 1){ | |
columns = line.split(',', -1) | |
(entity, attr1, attr2) = columns | |
node = g.addV('person') | |
.property('entity', entity) | |
.property('attr1', attr1) | |
.property('attr2', attr2) | |
.next() | |
nodeId = node.longId() | |
entityToId[entity] = nodeId | |
} | |
} | |
new File('data/links.csv').eachLine { line, count -> | |
if (count > 1){ | |
columns = it.split(',') | |
(source_entity, | |
target_entity, | |
attr1, | |
attr2) = columns | |
fromVertex = entityToId.get(source_entity) | |
toVertex = entityToId.get(target_entity) | |
g.V(fromVertex).addE('is_linked_to').to(g.V(toVertex)) | |
.property('attr1', attr1) | |
.property('attr2', attr2) | |
.next() | |
} | |
} | |
graph.tx().commit() | |
graph.close() |
Great gist, thanks!
I succeeded with the following csv:
nodes.csv:
entity,attr1,attr2
1,'bla','bla bla'
2,'asdf','asdf2'
3,'abc','col2'
4,'col1','col2'
5,'col1a','col2a'
6,'col1b','col2b'
links.csv:
source_entity,target_entity,attr1,attr2
1,1,'1to1','attr2'
1,2,'1to2','attr2'
1,3,'1to3','attr2'
2,5,'2to5','bla'
5,2,'5to2','haha'
6,4,'6to4','sadf'
4,3,'4to3','ewwew'
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Hi,
I tried but I got this error:
`Error in scripts/load_data.groovy at [28: }] - startup failed:
General error during class generation: org.codehaus.groovy.ast.expr.PropertyExpression cannot be cast to org.codehaus.groovy.ast.expr.VariableExpression
java.lang.ClassCastException: org.codehaus.groovy.ast.expr.PropertyExpression cannot be cast to org.codehaus.groovy.ast.expr.VariableExpression
at org.codehaus.groovy.classgen.asm.BinaryExpressionHelper.evaluateEqual(BinaryExpressionHelper.java:416)
at org.codehaus.groovy.classgen.asm.BinaryExpressionHelper.eval(BinaryExpressionHelper.java:129)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitBinaryExpression(AsmClassGenerator.java:685)
at org.codehaus.groovy.ast.expr.BinaryExpression.visit(BinaryExpression.java:51)
at org.codehaus.groovy.classgen.asm.StatementWriter.writeExpressionStatement(StatementWriter.java:621)
at org.codehaus.groovy.classgen.asm.OptimizingStatementWriter.writeExpressionStatement(OptimizingStatementWriter.java:411)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitExpressionStatement(AsmClassGenerator.java:667)
at org.codehaus.groovy.ast.stmt.ExpressionStatement.visit(ExpressionStatement.java:42)
at org.codehaus.groovy.classgen.asm.StatementWriter.writeBlockStatement(StatementWriter.java:93)
at org.codehaus.groovy.classgen.asm.OptimizingStatementWriter.writeBlockStatement(OptimizingStatementWriter.java:205)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitBlockStatement(AsmClassGenerator.java:613)
at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:71)
at org.codehaus.groovy.classgen.asm.StatementWriter.writeIfElse(StatementWriter.java:298)
at org.codehaus.groovy.classgen.asm.OptimizingStatementWriter.writeIfElse(OptimizingStatementWriter.java:323)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitIfElse(AsmClassGenerator.java:629)
at org.codehaus.groovy.ast.stmt.IfStatement.visit(IfStatement.java:43)
at org.codehaus.groovy.classgen.asm.StatementWriter.writeBlockStatement(StatementWriter.java:93)
at org.codehaus.groovy.classgen.asm.OptimizingStatementWriter.writeBlockStatement(OptimizingStatementWriter.java:205)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitBlockStatement(AsmClassGenerator.java:613)
at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:71)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClassCodeContainer(ClassCodeVisitorSupport.java:104)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructorOrMethod(ClassCodeVisitorSupport.java:115)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitStdMethod(AsmClassGenerator.java:477)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructorOrMethod(AsmClassGenerator.java:413)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:126)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitMethod(AsmClassGenerator.java:554)
at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1081)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:53)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitClass(AsmClassGenerator.java:259)
at org.codehaus.groovy.control.CompilationUnit$17.call(CompilationUnit.java:848)
at org.codehaus.groovy.control.CompilationUnit$17.call(CompilationUnit.java:865)
at org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1087)
at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:624)
at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:602)
at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:579)
at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:323)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:293)
at groovy.lang.GroovyShell.parseClass(GroovyShell.java:677)
at groovy.lang.GroovyShell.parse(GroovyShell.java:689)
at groovy.lang.GroovyShell.parse(GroovyShell.java:725)
at org.codehaus.groovy.tools.shell.Interpreter.evaluate(Interpreter.groovy:65)
at org.codehaus.groovy.tools.shell.Groovysh.execute(Groovysh.groovy:196)
at org.apache.tinkerpop.gremlin.console.GremlinGroovysh.super$3$execute(GremlinGroovysh.groovy)
at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:98)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1225)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuperN(ScriptBytecodeAdapter.java:145)
at org.apache.tinkerpop.gremlin.console.GremlinGroovysh.execute(GremlinGroovysh.groovy:72)
at org.apache.tinkerpop.gremlin.console.Console$_executeInShell_closure16.doCall(Console.groovy:371)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:98)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:264)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1034)
at groovy.lang.Closure.call(Closure.java:418)
at org.codehaus.groovy.runtime.DefaultGroovyMethods.eachWithIndex(DefaultGroovyMethods.java:2041)
at org.codehaus.groovy.runtime.DefaultGroovyMethods.eachWithIndex(DefaultGroovyMethods.java:2021)
at org.codehaus.groovy.runtime.DefaultGroovyMethods.eachWithIndex(DefaultGroovyMethods.java:2071)
at org.codehaus.groovy.runtime.dgm$175.doMethodInvoke(Unknown Source)
at org.codehaus.groovy.vmplugin.v7.IndyInterface.selectMethod(IndyInterface.java:236)
at org.apache.tinkerpop.gremlin.console.Console.executeInShell(Console.groovy:348)
at org.codehaus.groovy.vmplugin.v7.IndyInterface.selectMethod(IndyInterface.java:236)
at org.apache.tinkerpop.gremlin.console.Console.(Console.groovy:141)
at org.codehaus.groovy.vmplugin.v7.IndyInterface.selectMethod(IndyInterface.java:236)
at org.apache.tinkerpop.gremlin.console.Console.main(Console.groovy:453)
`