public TrieSymbolTable(string _name, Trie trie)
{
name = _name;
this.trie = trie;
codeTable = new SortedDictionary <int, TrieNode>();
nullValues = new InputNullValues("one", this);
valueCounter = 1;
}
/// <summary>
/// Retrieves the user input from the value control and assigns it to Value
/// </summary>
internal override void ControlToValue()
{
//set value to null by default
Value = null;
//null values
if (string.IsNullOrWhiteSpace(ValueControl.Text))
{
return;
}
//search primary KeyNotFoundException string at the end of the Text, betewwn parenthesis
//example: My Company Inc. (id=34)
try
{
string pkString = ValueControl.Text.Substring(ValueControl.Text.IndexOf('(') + 1);
pkString = pkString.TrimEnd(')');
pkString = pkString.Trim();
DataObject dobj = DataObject.From(this.ValueType);
TypeConverter.ToDataValueInstances(pkString, dobj.PrimaryKey);
Value = dobj;
}
catch { }
//if last attempt was succesfull, load selected from database and exit
if (!NullValues.IsNull(Value))
{
//if select operation returns null, set value to null again
if (DataBase.Current.Select((DataObject)Value) == null)
{
Value = null;
}
//otherwise value is already selected and loaded, so exit
else
{
return;
}
}
//otherwise search in the database for a match
DataObjectCollection found = DataBase.Current.Search(ValueType, ValueControl.Text);
//if found a match, get the first result, otherwise, set Value to null
if (found.Count > 0)
{
Value = found[0];
}
else
{
Value = null;
}
}
public HashSymbolTable(string _name)
{
name = _name;
category = SymbolTable_Fields.NA;
type = SymbolTable_Fields.STRING;
symbolCodeMap = new HashMap <string, int>();
codeSymbolMap = new HashMap <int, string>();
symbolValueMap = new HashMap <string, double>();
nullValues = new InputNullValues("one", this);
valueCounter = 1;
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public TrieSymbolTable(String _name, Trie _trie, int _category, String nullValueStrategy) throws org.maltparser.core.exception.MaltChainedException
public TrieSymbolTable(string _name, Trie _trie, int _category, string nullValueStrategy)
{
name = _name;
trie = _trie;
category = _category;
codeTable = new SortedDictionary <int, TrieNode>();
if (category != SymbolTable_Fields.OUTPUT)
{
nullValues = new OutputNullValues(nullValueStrategy, this);
}
else
{
nullValues = new InputNullValues(nullValueStrategy, this);
}
valueCounter = nullValues.NextCode;
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public HashSymbolTable(String _name, int _category, int _type, String nullValueStrategy) throws org.maltparser.core.exception.MaltChainedException
public HashSymbolTable(string _name, int _category, int _type, string nullValueStrategy)
{
name = _name;
category = _category;
type = _type;
symbolCodeMap = new HashMap <string, int>();
codeSymbolMap = new HashMap <int, string>();
symbolValueMap = new HashMap <string, double>();
if (category == SymbolTable_Fields.OUTPUT)
{
nullValues = new OutputNullValues(nullValueStrategy, this);
}
else
{
nullValues = new InputNullValues(nullValueStrategy, this);
}
valueCounter = nullValues.NextCode;
}
/// <summary>
/// Assings the Value to the valuecontrol input
/// </summary>
internal override void ValueToControl()
{
if (!NullValues.IsNull(Value))
{
DataObject selected;
selected = (DataObject)Value;
if (!selected.IsSaved)
{
selected.Select();
}
ValueControl.Text = selected.ToString() + " (" + TypeConverter.ToString(selected.PrimaryKey) + ")";
}
else
{
ValueControl.Text = null;
}
}
/// <summary>
/// Determines whether the specified object is null.
/// </summary>
public static bool IsNull <T>(this T arg)
{
#pragma warning disable IDE0041 // Use 'is null' check
if (ReferenceEquals(null, arg))
{
return(true);
}
#pragma warning restore IDE0041 // Use 'is null' check
Type t = typeof(T);
if (t.IsGenericType && ((t.IsGenericTypeDefinition && t.Equals(StaticTypes.nullableTypeDefinition)) || t.GetGenericTypeDefinition().Equals(StaticTypes.nullableTypeDefinition)))
{
PropertyInfo hasValueProperty = t.GetProperty("HasValue");
return(!(bool)hasValueProperty.GetValue(arg));
}
if (NullTypes.Any(type => !(type is null) && t.IsAssignableFrom(type)))
{
return(true);
}
if (NullValues.Any(value => ReferenceEquals(value, arg) || arg.Equals(value) || (value is IEquatable <T> equatable && equatable.Equals(arg))))
{
return(true);
}
return(false);
}
/// <summary>
/// Determines whether a default value definition is a null value.
/// </summary>
/// <param name="defaultValue">A column's default value.</param>
/// <returns><c>true</c> if the provided default value is a null value; otherwise, <c>false</c>.</returns>
protected static bool IsNullDefaultValue(string defaultValue)
{
return(!defaultValue.IsNullOrWhiteSpace() &&
NullValues.Contains(defaultValue));
}