Package com.tangosol.config.expression

Class LiteralExpression<T>

java.lang.Object
com.tangosol.config.expression.LiteralExpression<T>
Record Components:
T - the type of the literal constant
All Implemented Interfaces:
Expression<T>, ExternalizableLite, PortableObject, Serializable
public class LiteralExpression<T> extends Object implements Expression<T>, ExternalizableLite, PortableObject
A LiteralExpression is a literal (aka: constant) Expression.
Since:
Coherence 12.1.2
Author:
bo 2011.06.24
See Also:

  • Constructor Details

    • LiteralExpression

      public LiteralExpression()
      Default constructor needed for serialization.

    • LiteralExpression

      public LiteralExpression(T value)
      Construct a LiteralExpression.
      Parameters:
      value - the value of the constant

  • Method Details

    • evaluate

      public T evaluate(ParameterResolver resolver)
      Evaluates the Expression to produce a value of type T.
      Specified by:
      evaluate in interface Expression<T>
      Parameters:
      resolver - the ParameterResolver for resolving any parameters used by the Expression
      Returns:
      The result of evaluating the expression

    • readExternal

      public void readExternal(DataInput in) throws IOException
      Restore the contents of this object by loading the object's state from the passed DataInput object.
      Specified by:
      readExternal in interface ExternalizableLite
      Parameters:
      in - the DataInput stream to read data from in order to restore the state of this object
      Throws:
      IOException - if an I/O exception occurs

    • writeExternal

      public void writeExternal(DataOutput out) throws IOException
      Save the contents of this object by storing the object's state into the passed DataOutput object.
      Specified by:
      writeExternal in interface ExternalizableLite
      Parameters:
      out - the DataOutput stream to write the state of this object to
      Throws:
      IOException - if an I/O exception occurs

    • readExternal

      public void readExternal(PofReader reader) throws IOException
      Restore the contents of a user type instance by reading its state using the specified PofReader object.
      Specified by:
      readExternal in interface PortableObject
      Parameters:
      reader - the PofReader from which to read the object's state
      Throws:
      IOException - if an I/O error occurs

    • writeExternal

      public void writeExternal(PofWriter writer) throws IOException
      Save the contents of a POF user type instance by writing its state using the specified PofWriter object.
      Specified by:
      writeExternal in interface PortableObject
      Parameters:
      writer - the PofWriter to which to write the object's state
      Throws:
      IOException - if an I/O error occurs

    • toString

      public String toString()
      Overrides:
      toString in class Object