org.apache.hadoop.hbase.hbql.statement.select
Class SimpleExpressionContext

java.lang.Object
  extended by org.apache.expreval.expr.MultipleExpressionContext
      extended by org.apache.hadoop.hbase.hbql.statement.select.SimpleExpressionContext
All Implemented Interfaces:
Serializable

public class SimpleExpressionContext
extends MultipleExpressionContext

See Also:
Serialized Form

Constructor Summary
SimpleExpressionContext(GenericValue genericValue)
           
 
Method Summary
 boolean allowColumns()
           
 String asString()
           
 Object getValue(HConnectionImpl conn)
           
 boolean isAConstant()
           
 boolean useResultData()
           
 void validate()
           
 
Methods inherited from class org.apache.expreval.expr.MultipleExpressionContext
addColumnToUsedList, addExpression, addNamedParameter, evaluate, evaluateConstant, getAttribsUsedInExpr, getColumnsUsedInExpr, getExpressionList, getGenericValue, getMapping, getMappingContext, getNamedParamMap, getParameterList, getResultAccessor, getTableMapping, optimize, reset, setGenericValue, setMappingContext, setParameter, validateTypes
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SimpleExpressionContext

public SimpleExpressionContext(GenericValue genericValue)
Method Detail

isAConstant

public boolean isAConstant()

validate

public void validate()
              throws HBqlException
Throws:
HBqlException

getValue

public Object getValue(HConnectionImpl conn)
                throws HBqlException
Throws:
HBqlException

asString

public String asString()
Specified by:
asString in class MultipleExpressionContext

useResultData

public boolean useResultData()
Specified by:
useResultData in class MultipleExpressionContext

allowColumns

public boolean allowColumns()
Specified by:
allowColumns in class MultipleExpressionContext


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