Package repast.simphony.space.gis

Class ShapefileLoader<T>

java.lang.Object
repast.simphony.space.gis.ShapefileLoader<T>
public class ShapefileLoader<T> extends Object
Creates and sets agents properties from a features in shapefile.
Author:
Nick Collier

  • Constructor Summary

    Constructors
    Constructor
    Description
    ShapefileLoader(Class<T> clazz, URL shapefile, Geography geography, Context context)
    Creates a shapefile loader for agents of the specified class and whose data source is the specified shapefile.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    hasNext()
    Returns true if there are more features left to process, otherwise false.
    void
    load()
    Creates all the agents for the shapefile features, setting each agent's properteis to the value of a feature's relevant attributes.
    T
    next()
    Creates the next agent from the next feature in the shapefile, setting that agent's properties to the value of that feature's relevant attributes.
    T
    next(T obj)
    Sets the specified object's properties to the relevant attributes values of the next feature.
    T
    nextWithArgs(Object... constructorArgs)
    Creates the next agent from the next feature in the shapefile, setting that agent's properties to the value of that feature's relevant attributes.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • ShapefileLoader

      public ShapefileLoader(Class<T> clazz, URL shapefile, Geography geography, Context context)
      Creates a shapefile loader for agents of the specified class and whose data source is the specified shapefile. The agents will be placed into the specified Geography according to the geometry specified in the shapefile and transformed according to the geography's CRS.
      Parameters:
      clazz - the agent class
      shapefile - the shapefile that serves as the datasource for the agent properties
      geography - the geography to hold spatial locations of the agents
      context - the context to add the agents to

  • Method Details

    • load

      public void load()
      Creates all the agents for the shapefile features, setting each agent's properteis to the value of a feature's relevant attributes.

    • next

      public T next()
      Creates the next agent from the next feature in the shapefile, setting that agent's properties to the value of that feature's relevant attributes.
      Returns:
      the created agent

    • nextWithArgs

      public T nextWithArgs(Object... constructorArgs) throws IllegalArgumentException
      Creates the next agent from the next feature in the shapefile, setting that agent's properties to the value of that feature's relevant attributes. Note that the constructor matching is somewhat naive and looks for exact matches.
      Parameters:
      constructorArgs - parameters to pass to the constructor when creating the agent.
      Returns:
      the created agent
      Throws:
      IllegalArgumentException - if the constructor args don't match a constructor.

    • next

      public T next(T obj)
      Sets the specified object's properties to the relevant attributes values of the next feature.
      Parameters:
      obj - the object whose properties we want to set.
      Returns:
      the object with is properties now set.

    • hasNext

      public boolean hasNext()
      Returns true if there are more features left to process, otherwise false.
      Returns:
      true if there are more features left to process, otherwise false.