Skip navigation links
com.supermap.data

Class FieldInfos

  • java.lang.Object
    • com.supermap.data.FieldInfos

  • public class FieldInfos
extends java.lang.Object
    The FieldInfos class.

    This class can be created and used alone, all the field information of a vector dataset or recordset is a instance of FieldInfos class. You can also get a object of this class from vector dataset or recordset.

    Example:
    The following codes realize adding operation of the FieldInfos object. 
            private FieldInfos getFieldInfos() {

                //???????????,??????????????
                FieldInfo fieldinfo = new FieldInfo();
                fieldinfo.setCaption("one");
                fieldinfo.setName("value");
                fieldinfo.setType(FieldType.INT16);
                fieldinfo.setDefaultValue("10");

                //?????????????????
                FieldInfos fieldinfos = new FieldInfos();
                fieldinfos.add(fieldinfo);

                return fieldinfos;
        }

    • Constructor Summary

      Constructors 
      Constructor and Description
      FieldInfos()
      Construct a new FieldInfos object, the count of FieldInfo objects in it is 0.
      FieldInfos(FieldInfo[] fieldInfos)
      Creates a new LayersControl object according to the specified arguments.
      FieldInfos(FieldInfos fieldInfos)
      Constructs a new object identical to the given FieldInfos object.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      int add(FieldInfo fieldInfo)
      Add the specified FieldInfo object to the current FieldInfos object.
      void dispose()
      Disposes the resources occupied by the object.
      FieldInfo get(int index)
      Returns the specified FieldInfo object in this FieldInfos object.
      FieldInfo get(java.lang.String name)
      Returns the FieldInfo object with the specified name from the FieldInfos object.
      int getCount()
      Return the number of elements in the specified FieldInfos.
      int indexOf(java.lang.String name)
      Gets the index number of the specified FieldInfo object in current FieldInfos.
      boolean remove(int index)
      Removes the elements with the specified index number from current FeildInfos.
      boolean remove(java.lang.String name)
      Removes the FieldInfo object with the specified name from current FieldInfos.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • FieldInfos

        public FieldInfos()
        Construct a new FieldInfos object, the count of FieldInfo objects in it is 0.

      • FieldInfos

        public FieldInfos(FieldInfo[] fieldInfos)
        Creates a new LayersControl object according to the specified arguments.
        Parameters:
        fieldInfos - specified FieldInfo class array.

      • FieldInfos

        public FieldInfos(FieldInfos fieldInfos)
        Constructs a new object identical to the given FieldInfos object.
        Parameters:
        fieldInfos - The FieldInfos object specified.

    • Method Detail

      • getCount

        public int getCount()
        Return the number of elements in the specified FieldInfos.
        Returns:
        the total count of elements in the specified FieldInfos.
        Default:
        The default value is 0.

      • get

        public FieldInfo get(java.lang.String name)
        Returns the FieldInfo object with the specified name from the FieldInfos object.
        Parameters:
        name - the name of the specified item, that is the name of the FieldInfo object.
        Returns:
        The field information with the given name in the FieldInfo object.

      • get

        public FieldInfo get(int index)
        Returns the specified FieldInfo object in this FieldInfos object.
        Parameters:
        index - the index of the item to return, which starts from 0.
        Returns:
        the element with the specified index in the FieldInfos object.

      • add

        public int add(FieldInfo fieldInfo)
        Add the specified FieldInfo object to the current FieldInfos object.

        Note: When adding fields, it is needed to set the default value for required fields, the adding will fail if not set the default value.

        Parameters:
        fieldInfo - The field object to add.
        Returns:
        fieldInfo The index added to the FieldInfos instance.

      • indexOf

        public int indexOf(java.lang.String name)
        Gets the index number of the specified FieldInfo object in current FieldInfos.
        Parameters:
        name - The name of the specified fieldInfo.
        Returns:
        The index of the FieldInfo object with the name being name in fieldInfos.

      • dispose

        public void dispose()
        Disposes the resources occupied by the object. After calling this method, this object will not usable.

      • remove

        public boolean remove(int index)
        Removes the elements with the specified index number from current FeildInfos.
        Parameters:
        index - The index of the element to remove.
        Returns:
        Return true if success, otherwise return false.

      • remove

        public boolean remove(java.lang.String name)
        Removes the FieldInfo object with the specified name from current FieldInfos.
        Parameters:
        name - The name of the FieldInfo to be removed
        Returns:
        Return true if success, otherwise return false
Skip navigation links