org.apache.expreval.expr.var
Class DoubleColumn

java.lang.Object
  org.apache.expreval.expr.var.GenericColumn<NumberValue>
      org.apache.expreval.expr.var.DoubleColumn

All Implemented Interfaces:

Serializable, GenericValue, NumberValue

public class DoubleColumn
extends GenericColumn<NumberValue>
implements NumberValue

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.expreval.expr.node.GenericValue

serialVersionUID

Constructor Summary

DoubleColumn(ColumnAttrib attrib)

Method Summary

Double

getValue(HConnectionImpl conn, Object object)

Methods inherited from class org.apache.expreval.expr.var.GenericColumn

applyResultToAggregateValue, asString, getColumnAttrib, getExpressionContext, getFieldType, getFilter, getOptimizedValue, getVariableName, hasAColumnReference, initAggregateValue, isAColumnReference, isAConstant, isAnAggregateValue, isDefaultKeyword, reset, setExpressionContext, validateTypes

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.expreval.expr.node.GenericValue

applyResultToAggregateValue, asString, getFilter, getOptimizedValue, hasAColumnReference, initAggregateValue, isAColumnReference, isAConstant, isAnAggregateValue, isDefaultKeyword, reset, setExpressionContext, validateTypes

Constructor Detail

DoubleColumn

public DoubleColumn(ColumnAttrib attrib)

Method Detail

getValue

public Double getValue(HConnectionImpl conn,
                       Object object)
                throws HBqlException,
                       ResultMissingColumnException,
                       NullColumnValueException

Specified by:

getValue in interface GenericValue

Specified by:

getValue in interface NumberValue

Throws:

HBqlException

ResultMissingColumnException

NullColumnValueException