svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_dal / src / org / gvsig / fmap / dal / DataParameterDescriptor.java @ 33717
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| 1 | 24496 | jmvivo | package org.gvsig.fmap.dal; |
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| 2 | 23894 | jjdelcerro | |
| 3 | 24391 | jiyarza | /**
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| 4 | * This interface describes the properties of a parameter. It is useful
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| 5 | * for any component that needs to know how to edit or visualize it.
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| 6 | *
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| 7 | */
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| 8 | 24250 | jjdelcerro | public interface DataParameterDescriptor { |
| 9 | 24391 | jiyarza | |
| 10 | /** Accepts a single value */
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| 11 | 23894 | jjdelcerro | public static final int SINGLE = 1; |
| 12 | 24391 | jiyarza | /** Accepts a single value from a value set */
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| 13 | 23894 | jjdelcerro | public static final int CHOICE = 2; |
| 14 | 24391 | jiyarza | /** Accepts a range of values defined with a minimum and a maximum value */
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| 15 | 23894 | jjdelcerro | public static final int RANGE = 3; |
| 16 | |||
| 17 | 24391 | jiyarza | /**
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| 18 | * Returns the parameter's name
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| 19 | *
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| 20 | * @return String containing the parameter's name
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| 21 | */
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| 22 | 23894 | jjdelcerro | public String getName(); |
| 23 | 24391 | jiyarza | |
| 24 | /**
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| 25 | * Returns the parameter's description
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| 26 | *
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| 27 | * @return String containing the parameter's description.
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| 28 | */
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| 29 | 23894 | jjdelcerro | public String getDescription(); |
| 30 | |||
| 31 | 24391 | jiyarza | /**
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| 32 | * Returns the parameter's data type.
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| 33 | *
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| 34 | * @return parameter's data type.
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| 35 | 25482 | jiyarza | *
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| 36 | * @see DataTypes
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| 37 | 24391 | jiyarza | */
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| 38 | 23894 | jjdelcerro | public int getDataType(); |
| 39 | |||
| 40 | 24391 | jiyarza | /**
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| 41 | * Returns the parameter's default value.
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| 42 | *
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| 43 | * @return an Object containing the default value. Use the data type to cast.
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| 44 | */
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| 45 | 23894 | jjdelcerro | public Object getDefaultValue(); |
| 46 | 24391 | jiyarza | |
| 47 | /**
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| 48 | * Returns one of the available values type.
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| 49 | *
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| 50 | * @return an <code>int</code> with one of the available values type.
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| 51 | *
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| 52 | * @see #SINGLE
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| 53 | * @see #CHOICE
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| 54 | * @see #RANGE
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| 55 | */
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| 56 | 23894 | jjdelcerro | public int getAvailableValuesType(); |
| 57 | |||
| 58 | 24391 | jiyarza | /**
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| 59 | * Returns an array containing the available values accepted by the parameter.
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| 60 | *
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| 61 | * @return array of Object containing the available values accepted by the parameter. Use the data type to cast.
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| 62 | */
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| 63 | 23894 | jjdelcerro | public Object[] getAvailableValues(); |
| 64 | |||
| 65 | 24391 | jiyarza | /**
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| 66 | * Returns the minimum value when the parameter accepts a range of values.
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| 67 | *
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| 68 | * @return range's minimum value
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| 69 | */
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| 70 | 23894 | jjdelcerro | public Object getMinValue(); |
| 71 | |||
| 72 | 24391 | jiyarza | /**
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| 73 | * Returns the maximum value when the parameter accepts a range of values.
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| 74 | *
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| 75 | * @return range's maximum value.
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| 76 | */
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| 77 | 23894 | jjdelcerro | public Object getMaxValue(); |
| 78 | } |