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FilterParams.go
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FilterParams.go
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package data
/*
Data transfer object used to pass filter parameters as simple key-value pairs.
see
StringValueMap
Example:
filter := NewFilterParamsFromTuples(
"type", "Type1",
"from_create_time", new Date(2000, 0, 1),
"to_create_time", new Date(),
"completed", true
);
paging = NewPagingParams(0, 100);
err, page = myDataClient.getDataByFilter(filter, paging);
*/
type FilterParams struct {
StringValueMap
}
// Creates a new instance.
// Returns *FilterParams
func NewEmptyFilterParams() *FilterParams {
return &FilterParams{
StringValueMap: *NewEmptyStringValueMap(),
}
}
// Creates a new instance and initalizes it with elements from the specified map.
// Parameters:
// - value map[string]string
// a map to initialize this instance.
// Returns *FilterParams
func NewFilterParams(values map[string]string) *FilterParams {
return &FilterParams{
StringValueMap: *NewStringValueMapFromMaps(values),
}
}
// Converts specified value into FilterParams.
// Parameters:
// - value interface
// value to be converted
// Returns FilterParams
// a newly created FilterParams.
func NewFilterParamsFromValue(value interface{}) *FilterParams {
return &FilterParams{
StringValueMap: *NewStringValueMapFromValue(value),
}
}
// Creates a new FilterParams from a list of key-value pairs called tuples.
// Parameters:
// - tuples ...interface{}
// a list of values where odd elements are keys and the following even elements are values
// Returns *FilterParams
// a newly created FilterParams.
func NewFilterParamsFromTuples(tuples ...interface{}) *FilterParams {
return &FilterParams{
StringValueMap: *NewStringValueMapFromTuplesArray(tuples),
}
}
// Parses semicolon-separated key-value pairs and returns them as a FilterParams.
// see
// StringValueMap.FromString
// Parameters:
// - line string
// semicolon-separated key-value list to initialize FilterParams.
// Returns *FilterParams
func NewFilterParamsFromString(line string) *FilterParams {
return &FilterParams{
StringValueMap: *NewStringValueMapFromString(line),
}
}