org.apache.openjpa.jdbc.kernel.exps
Class ToLowerCase

java.lang.Object
  extended by org.apache.openjpa.jdbc.kernel.exps.AbstractVal
      extended by org.apache.openjpa.jdbc.kernel.exps.StringFunction
          extended by org.apache.openjpa.jdbc.kernel.exps.ToLowerCase
All Implemented Interfaces:
Serializable, Val, Value

public class ToLowerCase
extends StringFunction

Lower-cases a string.

Author:
Abe White
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.openjpa.jdbc.kernel.exps.AbstractVal
FALSE, TRUE
 
Fields inherited from interface org.apache.openjpa.jdbc.kernel.exps.Val
ABS_VAL, ARGS_VAL, CMP_EQUAL, COALESCE_VAL, CONCAT_VAL, FORCE_OUTER, GENERALCASE_VAL, INDEXOF_VAL, JOIN_REL, LENGTH_VAL, LOCATE_VAL, LOWER_VAL, MATH_VAL, NULL_CMP, NULLIF_VAL, SIMPLECASE_VAL, SQRT_VAL, SUBSTRING_VAL, TRIM_VAL, UPPER_VAL, VAL, WHENCONDITION_VAL, WHENSCALAR_VAL
 
Constructor Summary
ToLowerCase(Val val)
          Constructor.
 
Method Summary
 void appendTo(Select sel, ExpContext ctx, ExpState state, SQLBuffer buf, int index)
          Append the indexth SQL element to the given buffer.
 int getId()
           
 
Methods inherited from class org.apache.openjpa.jdbc.kernel.exps.StringFunction
acceptVisit, calculateValue, getMetaData, getType, getValue, groupBy, initialize, length, load, orderBy, select, selectColumns, setImplicitType, setMetaData
 
Methods inherited from class org.apache.openjpa.jdbc.kernel.exps.AbstractVal
appendIndex, appendIsEmpty, appendIsNotEmpty, appendIsNotNull, appendIsNull, appendSize, appendType, getAlias, getName, getPath, getSelectAs, isAggregate, isVariable, isXPath, setAlias, toDataStoreValue
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ToLowerCase

public ToLowerCase(Val val)
Constructor. Provide the string to operate on.

Method Detail

appendTo

public void appendTo(Select sel,
                     ExpContext ctx,
                     ExpState state,
                     SQLBuffer buf,
                     int index)
Description copied from interface: Val
Append the indexth SQL element to the given buffer.


getId

public int getId()
Specified by:
getId in interface Val
Overrides:
getId in class AbstractVal


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