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

Variables.findVariable介绍

[英]Searches the variables layers, top to bottom, for given name, and returns if found; null otherwise.
[中]从上到下搜索变量层中的给定名称，如果找到，则返回；否则为空。

代码示例

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

/**
 * Searches the variables layers, top to bottom, for given name, and returns if found; null otherwise.
 */
public Iterable<? extends WindupVertexFrame> findVariable(String name)
{
  return findVariable(name, SEARCH_ALL_LAYERS);
}

代码示例来源：origin: windup/windup

/**
 * Searches the variables layers, top to bottom, for given name, and returns if found; null otherwise.
 */
public Iterable<? extends WindupVertexFrame> findVariable(String name)
{
  return findVariable(name, SEARCH_ALL_LAYERS);
}

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

/**
 * Set a variable in the top variables layer to given "collection" of the vertex frames. Can't be reassigned -
 * throws on attempt to reassign.
 */
public void setVariable(String name, Iterable<? extends WindupVertexFrame> frames)
{
  Map<String, Iterable<? extends WindupVertexFrame>> frame = peek();
  if (!Iteration.DEFAULT_VARIABLE_LIST_STRING.equals(name) && findVariable(name) != null)
  {
    throw new IllegalArgumentException("Variable \"" + name
          + "\" has already been assigned and cannot be reassigned");
  }
  frame.put(name, frames);
}

代码示例来源：origin: windup/windup

/**
 * Set a variable in the top variables layer to given "collection" of the vertex frames. Can't be reassigned -
 * throws on attempt to reassign.
 */
public void setVariable(String name, Iterable<? extends WindupVertexFrame> frames)
{
  Map<String, Iterable<? extends WindupVertexFrame>> frame = peek();
  if (!Iteration.DEFAULT_VARIABLE_LIST_STRING.equals(name) && findVariable(name) != null)
  {
    throw new IllegalArgumentException("Variable \"" + name
          + "\" has already been assigned and cannot be reassigned");
  }
  frame.put(name, frames);
}

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

/**
 * Wrapper around {@link #findVariable(String)} which gives only one framed vertex, and checks if there is 0 or 1;
 * throws otherwise.
 */
@SuppressWarnings("unchecked")
public <T extends WindupVertexFrame> T findSingletonVariable(String name)
{
  Iterable<? extends WindupVertexFrame> frames = findVariable(name);
  if (null == frames)
  {
    throw new IllegalStateException("Variable not found: \"" + name + "\"");
  }
  Iterator<? extends WindupVertexFrame> iterator = frames.iterator();
  if (!iterator.hasNext())
  {
    return null;
  }
  WindupVertexFrame obj = iterator.next();
  if (iterator.hasNext())
  {
    throw new IllegalStateException("More than one frame present "
          + "under presumed singleton variable: " + name);
  }
  return (T) obj;
}

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

@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

@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: 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 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.config/windup-config-api

/**
   * This sets the variable with the given name to the given value. If there is already a variable with the same name in the top-most stack frame,
   * we will combine them here.
   *
   * This helps in the case of multiple conditions tied together with "or" or "and".
   */
  protected void setResults(GraphRewrite event, String variable, Iterable<? extends WindupVertexFrame> results)
  {
    Variables variables = Variables.instance(event);
    Iterable<? extends WindupVertexFrame> existingVariables = variables.findVariable(variable, 1);
    if (existingVariables != null)
    {
      variables.setVariable(variable, Iterables.concat(existingVariables, results));
    }
    else
    {
      variables.setVariable(variable, results);
    }
  }
}

代码示例来源：origin: windup/windup

/**
   * This sets the variable with the given name to the given value. If there is already a variable with the same name in the top-most stack frame,
   * we will combine them here.
   *
   * This helps in the case of multiple conditions tied together with "or" or "and".
   */
  protected void setResults(GraphRewrite event, String variable, Iterable<? extends WindupVertexFrame> results)
  {
    Variables variables = Variables.instance(event);
    Iterable<? extends WindupVertexFrame> existingVariables = variables.findVariable(variable, 1);
    if (existingVariables != null)
    {
      variables.setVariable(variable, Iterables.concat(existingVariables, results));
    }
    else
    {
      variables.setVariable(variable, results);
    }
  }
}

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;
}

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());
  Iterable<FileModel> resultIterable = FluentIterable.from(vertices).transformAndConcat(new Function<WindupVertexFrame, Iterable<FileModel>>()
  {
    @Nullable @Override
    public Iterable<FileModel> apply(WindupVertexFrame windupVertexFrame)
    {
      if (!(windupVertexFrame instanceof ToFileModelTransformable))
      {
        throw new WindupException("ToFileModel may work only with the objects that implements ToFileModelTransformable interface");
      }
      return ((ToFileModelTransformable) windupVertexFrame).transformToFileModel();
    }
  });
  Variables.instance(event).setVariable(getOutputVariablesName(),new FramesSetIterable(resultIterable));
  return resultIterable.iterator().hasNext();
}

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

private JavaAnnotationTypeReferenceModel findTableAnnotation(GraphRewrite event, JavaTypeReferenceModel entityTypeReference)
{
  JavaAnnotationTypeReferenceModel tableAnnotationTypeReference = null;
  final Iterable<? extends WindupVertexFrame> tableAnnotationList = Variables.instance(event).findVariable(TABLE_ANNOTATIONS_LIST);
  if (tableAnnotationList != null)
  {
    for (WindupVertexFrame annotationTypeReferenceBase : tableAnnotationList)
    {
      JavaAnnotationTypeReferenceModel annotationTypeReference = (JavaAnnotationTypeReferenceModel) annotationTypeReferenceBase;
      if (annotationTypeReference.getFile().equals(entityTypeReference.getFile()))
      {
        tableAnnotationTypeReference = annotationTypeReference;
        break;
      }
    }
  }
  if (tableAnnotationTypeReference == null)
  {
    AbstractJavaSourceModel sourceModel = entityTypeReference.getFile();
    tableAnnotationTypeReference = findTableAnnotation(event, getParentSourceFiles(event, sourceModel));
  }
  return tableAnnotationTypeReference;
}

代码示例来源：origin: windup/windup

private JavaAnnotationTypeReferenceModel findTableAnnotation(GraphRewrite event, JavaTypeReferenceModel entityTypeReference)
{
  JavaAnnotationTypeReferenceModel tableAnnotationTypeReference = null;
  final Iterable<? extends WindupVertexFrame> tableAnnotationList = Variables.instance(event).findVariable(TABLE_ANNOTATIONS_LIST);
  if (tableAnnotationList != null)
  {
    for (WindupVertexFrame annotationTypeReferenceBase : tableAnnotationList)
    {
      JavaAnnotationTypeReferenceModel annotationTypeReference = (JavaAnnotationTypeReferenceModel) annotationTypeReferenceBase;
      if (annotationTypeReference.getFile().equals(entityTypeReference.getFile()))
      {
        tableAnnotationTypeReference = annotationTypeReference;
        break;
      }
    }
  }
  if (tableAnnotationTypeReference == null)
  {
    AbstractJavaSourceModel sourceModel = entityTypeReference.getFile();
    tableAnnotationTypeReference = findTableAnnotation(event, getParentSourceFiles(event, sourceModel));
  }
  return tableAnnotationTypeReference;
}