本文整理了Java中org.jboss.windup.config.Variables.instance()方法的一些代码示例，展示了Variables.instance()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。Variables.instance()方法的具体详情如下：
包路径：org.jboss.windup.config.Variables
类名称：Variables
方法名：instance

Variables.instance介绍

[英]Get an instance of the Variables stack from the given GraphRewrite event context.
[中]从给定的GraphWrite事件上下文中获取变量堆栈的实例。

代码示例

代码示例来源：origin: org.jboss.windup.config/windup-config-api

@Override
  public Iterable<? extends WindupVertexFrame> getFrames(GraphRewrite event, EvaluationContext context)
  {
    final Iterable<? extends WindupVertexFrame> frames = Variables.instance(event).findVariableOfType(framesModel);
    return frames;
  }
}

代码示例来源：origin: windup/windup

@Override
  public Iterable<? extends WindupVertexFrame> getFrames(GraphRewrite event, EvaluationContext context)
  {
    final Iterable<? extends WindupVertexFrame> frames = Variables.instance(event).findVariableOfType(framesModel);
    return frames;
  }
}

代码示例来源：origin: org.jboss.windup.config/windup-config-api

@Override
public Iterable<? extends WindupVertexFrame> getFrames(GraphRewrite event, EvaluationContext context)
      throws IllegalStateException
{
  java.lang.Iterable<? extends WindupVertexFrame> result = Variables.instance(event).findVariable(varName);
  if (result == null)
    throw new IllegalStateException("No such variable [" + varName + "] was found in Variables stack.");
  return result;
}

代码示例来源：origin: windup/windup

@Override
public Iterable<? extends WindupVertexFrame> getFrames(GraphRewrite event, EvaluationContext context)
      throws IllegalStateException
{
  java.lang.Iterable<? extends WindupVertexFrame> result = Variables.instance(event).findVariable(varName);
  if (result == null)
    throw new IllegalStateException("No such variable [" + varName + "] was found in Variables stack.");
  return result;
}

代码示例来源：origin: org.jboss.windup.config/windup-config-api

@Override
public Iterable<? extends WindupVertexFrame> getFrames(GraphRewrite event, EvaluationContext context)
{
  final Iterable<? extends WindupVertexFrame> frames = Variables.instance(event).findVariable(varName);
  final Iterator<? extends WindupVertexFrame> it = frames.iterator();
  if (it.hasNext())
  {
    final Class<? extends WindupVertexFrame> actualType = it.next().getClass();
    if (!this.framesModel.isAssignableFrom(actualType))
      throw new IllegalTypeArgumentException(varName, this.framesModel, actualType);
  }
  return frames;
}

代码示例来源：origin: windup/windup

/**
 * Return the current {@link Iteration} payload variable name.
 *
 * @throws IllegalStateException if there is more than one variable in the {@link Variables} stack, and the payload name cannot be determined.
 */
public static String getPayloadVariableName(GraphRewrite event, EvaluationContext ctx) throws IllegalStateException
{
  Variables variables = Variables.instance(event);
  Map<String, Iterable<? extends WindupVertexFrame>> topLayer = variables.peek();
  if (topLayer.keySet().size() != 1)
  {
    throw new IllegalStateException("Cannot determine Iteration payload variable name because the top "
          + "layer of " + Variables.class.getSimpleName() + " stack contains " + topLayer.keySet().size() + " variables: "
          + topLayer.keySet());
  }
  String name = topLayer.keySet().iterator().next();
  return name;
}

代码示例来源：origin: org.jboss.windup.config/windup-config-api

/**
 * Return the current {@link Iteration} payload variable name.
 *
 * @throws IllegalStateException if there is more than one variable in the {@link Variables} stack, and the payload name cannot be determined.
 */
public static String getPayloadVariableName(GraphRewrite event, EvaluationContext ctx) throws IllegalStateException
{
  Variables variables = Variables.instance(event);
  Map<String, Iterable<? extends WindupVertexFrame>> topLayer = variables.peek();
  if (topLayer.keySet().size() != 1)
  {
    throw new IllegalStateException("Cannot determine Iteration payload variable name because the top "
          + "layer of " + Variables.class.getSimpleName() + " stack contains " + topLayer.keySet().size() + " variables: "
          + topLayer.keySet());
  }
  String name = topLayer.keySet().iterator().next();
  return name;
}

代码示例来源：origin: windup/windup

@Override
public Iterable<? extends WindupVertexFrame> getFrames(GraphRewrite event, EvaluationContext context)
{
  final Iterable<? extends WindupVertexFrame> frames = Variables.instance(event).findVariable(varName);
  final Iterator<? extends WindupVertexFrame> it = frames.iterator();
  if (it.hasNext())
  {
    final Class<? extends WindupVertexFrame> actualType = it.next().getClass();
    if (!this.framesModel.isAssignableFrom(actualType))
      throw new IllegalTypeArgumentException(varName, this.framesModel, actualType);
  }
  return frames;
}

代码示例来源：origin: org.jboss.windup.config/windup-config-api

@Override
  public Iterable<? extends WindupVertexFrame> getFrames(GraphRewrite event, EvaluationContext context)
  {
    Variables variables = Variables.instance(event);
    this.varName = Iteration.getPayloadVariableName(event, context);
    return variables.findVariable(varName);
  }
}

代码示例来源：origin: windup/windup

@Override
  public Iterable<? extends WindupVertexFrame> getFrames(GraphRewrite event, EvaluationContext context)
  {
    Variables variables = Variables.instance(event);
    this.varName = Iteration.getPayloadVariableName(event, context);
    return variables.findVariable(varName);
  }
}

代码示例来源：origin: windup/windup

@Override
  public boolean evaluate(GraphRewrite event, EvaluationContext context)
  {
    wrappedCondition.evaluate(event,context);
    Iterable<? extends WindupVertexFrame> vertices= Variables.instance(event).findVariable(wrappedCondition.getOutputVariablesName());
    if(Iterables.size(vertices) == size) {
      return true;
    } else {
      return false;
    }
  }
}

代码示例来源：origin: windup/windup

/**
 * Generating the input vertices is quite complex. Therefore there are multiple methods that handles the input vertices based on the attribute
 * specified in specific order. This method handles the {@link File#from(String)} attribute.
 */
private void fromInput(List<FileModel> vertices, GraphRewrite event)
{
  if (vertices.isEmpty() && StringUtils.isNotBlank(getInputVariablesName()))
  {
    for (WindupVertexFrame windupVertexFrame : Variables.instance(event).findVariable(getInputVariablesName()))
    {
      if (windupVertexFrame instanceof FileModel)
        vertices.add((FileModel) windupVertexFrame);
      if (windupVertexFrame instanceof FileReferenceModel)
        vertices.add(((FileReferenceModel) windupVertexFrame).getFile());
    }
  }
}

代码示例来源：origin: windup/windup

/**
 * Generating the input vertices is quite complex. Therefore there are multiple methods that handles the input vertices based on the attribute
 * specified in specific order. This method handles the {@link FileContent#from(String)} attribute.
 */
private void fromInput(List<FileModel> vertices, GraphRewrite event)
{
  if (vertices.isEmpty() && StringUtils.isNotBlank(getInputVariablesName()))
  {
    for (WindupVertexFrame windupVertexFrame : Variables.instance(event).findVariable(getInputVariablesName()))
    {
      if (windupVertexFrame instanceof FileModel)
        vertices.add((FileModel) windupVertexFrame);
      if (windupVertexFrame instanceof FileReferenceModel)
        vertices.add(((FileReferenceModel) windupVertexFrame).getFile());
    }
  }
}

代码示例来源：origin: org.jboss.windup.rules.apps/windup-rules-java-api

@Override
public void perform(GraphRewrite event, EvaluationContext context, ArchiveModel archiveModel)
{
  GraphContext graphContext = event.getGraphContext();
  String filename = archiveModel.getArchiveName();
  WindupVertexFrame newFrame = null;
  for (Map.Entry<String, Class<? extends WindupVertexFrame>> entry : suffixToModelClass.entrySet())
  {
    if (StringUtils.endsWith(filename, entry.getKey()))
    {
      newFrame = GraphService.addTypeToModel(graphContext, archiveModel, entry.getValue());
    }
  }
  if (newFrame != null)
  {
    Iteration.setCurrentPayload(Variables.instance(event), getVariableName(), newFrame);
  }
}

代码示例来源：origin: org.jboss.windup.rules.apps/rules-java

@Override
public void perform(GraphRewrite event, EvaluationContext context, ArchiveModel archiveModel)
{
  GraphContext graphContext = event.getGraphContext();
  String filename = archiveModel.getArchiveName();
  WindupVertexFrame newFrame = null;
  for (Map.Entry<String, Class<? extends WindupVertexFrame>> entry : suffixToModelClass.entrySet())
  {
    if (StringUtils.endsWith(filename, entry.getKey()))
    {
      newFrame = GraphService.addTypeToModel(graphContext, archiveModel, entry.getValue());
    }
  }
  if (newFrame != null)
  {
    Iteration.setCurrentPayload(Variables.instance(event), getVariableName(), newFrame);
  }
}

代码示例来源：origin: org.jboss.windup.config/windup-config-api

@Override
  public void perform(GraphRewrite event, EvaluationContext context, WindupVertexFrame payload)
  {
    Variables varStack = Variables.instance(event);
    WindupVertexFrame newFrame = GraphService.addTypeToModel(event.getGraphContext(), payload, newType);
    Iteration.setCurrentPayload(varStack, getVariableName(), newFrame);
  }
}

代码示例来源：origin: org.jboss.windup.config/windup-config-api

@Override
public boolean evaluate(GraphRewrite event, EvaluationContext context)
{
  checkVariableName(event, context);
  Variables varStack = Variables.instance(event);
  T payload = Iteration.getCurrentPayload(varStack, clazz, getInputVariablesName());
  return evaluate(event, context, payload);
}

代码示例来源：origin: windup/windup

@Override
public boolean evaluate(GraphRewrite event, EvaluationContext context)
{
  checkVariableName(event, context);
  Variables varStack = Variables.instance(event);
  T payload = Iteration.getCurrentPayload(varStack, clazz, getInputVariablesName());
  return evaluate(event, context, payload);
}

代码示例来源：origin: windup/windup

@Override
  public void perform(GraphRewrite event, EvaluationContext context, WindupVertexFrame payload)
  {
    Variables varStack = Variables.instance(event);
    WindupVertexFrame newFrame = GraphService.addTypeToModel(event.getGraphContext(), payload, newType);
    Iteration.setCurrentPayload(varStack, getVariableName(), newFrame);
  }
}

代码示例来源：origin: windup/windup

private Iterable<? extends WindupVertexFrame> getStartingVertices(GraphRewrite event,GraphContext graphContext) {
  GraphService<XmlFileModel> xmlResourceService = new GraphService<>(graphContext, XmlFileModel.class);
  Iterable<? extends WindupVertexFrame> allXmls;
  if (getInputVariablesName() == null || getInputVariablesName().isEmpty())
  {
    allXmls = xmlResourceService.findAll();
  }
  else
  {
    allXmls = Variables.instance(event).findVariable(getInputVariablesName());
  }
  return allXmls;
}