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## org.apache.openjpa.kernel.exps
Class Lit

    java.lang.Object
      org.apache.openjpa.kernel.exps.Val
          org.apache.openjpa.kernel.exps.Lit

All Implemented Interfaces:
  Serializable, Constant, Literal, Value

     class Lit

extends Val
implements Literal

Represents a literal.

Author:
  Abe White

Field Summary

Fields inherited from interface org.apache.openjpa.kernel.exps.Literal
`TYPE_BOOLEAN, TYPE_CLASS, TYPE_COLLECTION, TYPE_DATE, TYPE_ENUM, TYPE_NUMBER, TYPE_SQ_STRING, TYPE_STRING, TYPE_TIME, TYPE_TIMESTAMP, TYPE_UNKNOWN`

Constructor Summary
`Lit(Object val, int ptype)` Constructor.

Method Summary
`protected Object` | `eval(Object candidate, Object orig, StoreContext ctx, Object[] params)` Return this value for the given candidate.
`int` | `getParseType()` The type the literal was parsed as.
`Class` | `getType()` Return the expected type for this value, or `Object` if the type is unknown.
`Object` | `getValue()` The value of this literal.
`Object` | `getValue(Object[] parameters)` Return the value for this constant given the specified parameters.
`void` | `setImplicitType(Class type)` Set the implicit type of the value, based on how it is used in the filter.
`void` | `setValue(Object val)` The value of this literal.

Methods inherited from class org.apache.openjpa.kernel.exps.Val
`acceptVisit, eval, evaluate, evaluate, getAlias, getMetaData, getName, getPath, getSelectAs, isAggregate, isVariable, isXPath, setAlias, setMetaData`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.apache.openjpa.kernel.exps.Value
`acceptVisit, getAlias, getMetaData, getName, getPath, getSelectAs, isAggregate, isVariable, isXPath, setAlias, setMetaData`

Constructor Detail

### Lit

    public Lit(Object val,
               int ptype)

  Constructor. Provide constant value.

Method Detail

### getValue

    public Object getValue()

  Description copied from interface: `Literal`
  The value of this literal.

  Specified by:
    `getValue` in interface `Literal`

### setValue

    public void setValue(Object val)

  Description copied from interface: `Literal`
  The value of this literal.

  Specified by:
    `setValue` in interface `Literal`

### getParseType

    public int getParseType()

  Description copied from interface: `Literal`
  The type the literal was parsed as.

  Specified by:
    `getParseType` in interface `Literal`

### getValue

    public Object getValue(Object[] parameters)

  Description copied from interface: `Constant`
  Return the value for this constant given the specified parameters.

  Specified by:
    `getValue` in interface `Constant`

### getType

    public Class getType()

  Description copied from interface: `Value`
  Return the expected type for this value, or `Object` if the type is unknown.

  Specified by:
    `getType` in interface `Value`

### setImplicitType

    public void setImplicitType(Class type)

  Description copied from interface: `Value`
  Set the implicit type of the value, based on how it is used in the filter. This method is only called on values who return `Object` from `Value.getType()`.

  Specified by:
    `setImplicitType` in interface `Value`

### eval

    protected Object eval(Object candidate,
                          Object orig,
                          StoreContext ctx,
                          Object[] params)

  Description copied from class: `Val`
  Return this value for the given candidate.

  Specified by:
    `eval` in class `Val`

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