Package org.h2.value

Class ValueEnumBase

  • All Implemented Interfaces:
    HasSQL, Typed
    Direct Known Subclasses:
    ValueEnum

    public class ValueEnumBase
    extends Value
    Base implementation of the ENUM data type. This base implementation is only used in 2.0.* clients when they work with 1.4.* servers.
    • Field Detail

      • label

        final java.lang.String label
      • ordinal

        private final int ordinal
    • Constructor Detail

      • ValueEnumBase

        protected ValueEnumBase​(java.lang.String label,
                                int ordinal)
    • Method Detail

      • add

        public Value add​(Value v)
        Description copied from class: Value
        Add a value and return the result.
        Overrides:
        add in class Value
        Parameters:
        v - the value to add
        Returns:
        the result
      • compareTypeSafe

        public int compareTypeSafe​(Value v,
                                   CompareMode mode,
                                   CastDataProvider provider)
        Description copied from class: Value
        Compare this value against another value given that the values are of the same data type.
        Specified by:
        compareTypeSafe in class Value
        Parameters:
        v - the other value
        mode - the compare mode
        provider - the cast information provider
        Returns:
        0 if both values are equal, -1 if the other value is smaller, and 1 otherwise
      • divide

        public Value divide​(Value v,
                            TypeInfo quotientType)
        Description copied from class: Value
        Divide by a value and return the result.
        Overrides:
        divide in class Value
        Parameters:
        v - the divisor
        quotientType - the type of quotient (used only to read precision and scale when applicable)
        Returns:
        the result
      • equals

        public boolean equals​(java.lang.Object other)
        Description copied from class: Value
        Check if the two values have the same hash code. No data conversion is made; this method returns false if the other object is not of the same class. For some values, compareTo may return 0 even if equals return false. Example: ValueDecimal 0.0 and 0.00.
        Specified by:
        equals in class Value
        Parameters:
        other - the other value
        Returns:
        true if they are equal
      • get

        public static ValueEnumBase get​(java.lang.String label,
                                        int ordinal)
        Get or create an enum value with the given label and ordinal.
        Parameters:
        label - the label
        ordinal - the ordinal
        Returns:
        the value
      • getInt

        public int getInt()
        Description copied from class: Value
        Returns this value as a Java int value.
        Overrides:
        getInt in class Value
        Returns:
        value
      • getLong

        public long getLong()
        Description copied from class: Value
        Returns this value as a Java long value.
        Overrides:
        getLong in class Value
        Returns:
        value
      • getBigDecimal

        public java.math.BigDecimal getBigDecimal()
        Overrides:
        getBigDecimal in class Value
      • getFloat

        public float getFloat()
        Description copied from class: Value
        Returns this value as a Java float value.
        Overrides:
        getFloat in class Value
        Returns:
        value
      • getDouble

        public double getDouble()
        Description copied from class: Value
        Returns this value as a Java double value.
        Overrides:
        getDouble in class Value
        Returns:
        value
      • getSignum

        public int getSignum()
        Overrides:
        getSignum in class Value
      • getSQL

        public java.lang.StringBuilder getSQL​(java.lang.StringBuilder builder,
                                              int sqlFlags)
        Description copied from interface: HasSQL
        Appends the SQL statement of this object to the specified builder.
        Parameters:
        builder - string builder
        sqlFlags - formatting flags
        Returns:
        the specified string builder
      • getString

        public java.lang.String getString()
        Description copied from class: Value
        Get the value as a string.
        Specified by:
        getString in class Value
        Returns:
        the string
      • getType

        public TypeInfo getType()
        Description copied from interface: Typed
        Returns the data type.
        Specified by:
        getType in interface Typed
        Specified by:
        getType in class Value
        Returns:
        the data type
      • getValueType

        public int getValueType()
        Description copied from class: Value
        Get the value type.
        Specified by:
        getValueType in class Value
        Returns:
        the value type
      • getMemory

        public int getMemory()
        Description copied from class: Value
        Get the memory used by this object.
        Overrides:
        getMemory in class Value
        Returns:
        the memory used in bytes
      • hashCode

        public int hashCode()
        Specified by:
        hashCode in class Value
      • modulus

        public Value modulus​(Value v)
        Description copied from class: Value
        Take the modulus with a value and return the result.
        Overrides:
        modulus in class Value
        Parameters:
        v - the value to take the modulus with
        Returns:
        the result
      • multiply

        public Value multiply​(Value v)
        Description copied from class: Value
        Multiply with a value and return the result.
        Overrides:
        multiply in class Value
        Parameters:
        v - the value to multiply with
        Returns:
        the result
      • subtract

        public Value subtract​(Value v)
        Description copied from class: Value
        Subtract a value and return the result.
        Overrides:
        subtract in class Value
        Parameters:
        v - the value to subtract
        Returns:
        the result