本文整理了Java中org.vertexium.Graph.isPropertyDefined()方法的一些代码示例，展示了Graph.isPropertyDefined()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Graph.isPropertyDefined()方法的具体详情如下：
包路径：org.vertexium.Graph
类名称：Graph
方法名：isPropertyDefined

Graph.isPropertyDefined介绍

[英]Determine if a property is already defined
[中]确定是否已定义属性

代码示例

代码示例来源：origin: org.visallo/visallo-model-vertexium

@Override
protected void importOntologyAnnotationProperty(OWLOntology o, OWLAnnotationProperty annotationProperty, File inDir, Authorizations authorizations) {
  super.importOntologyAnnotationProperty(o, annotationProperty, inDir, authorizations);
  String about = annotationProperty.getIRI().toString();
  LOGGER.debug("disabling index for annotation property: " + about);
  if (!graph.isPropertyDefined(about)) {
    graph.defineProperty(about).dataType(String.class)
        .textIndexHint(TextIndexHint.NONE)
        .define();
  }
}

代码示例来源：origin: org.visallo/visallo-core

boolean sortable
) {
  if (!graph.isPropertyDefined(propertyName)) {
    DefinePropertyBuilder builder = graph.defineProperty(propertyName).dataType(dataType).sortable(sortable);
    if (textIndexHint != null) {