org.datanucleus.store.hbase.query.expression
Class HBaseBooleanExpression

java.lang.Object
  org.datanucleus.store.hbase.query.expression.HBaseExpression
      org.datanucleus.store.hbase.query.expression.HBaseBooleanExpression

public class HBaseBooleanExpression
extends HBaseExpression

Representation of a boolean expression in HBase queries.

Constructor Summary

HBaseBooleanExpression(HBaseBooleanExpression expr1, HBaseBooleanExpression expr2, org.datanucleus.query.expression.Expression.Operator op)

HBaseBooleanExpression(java.lang.String familyName, java.lang.String columnName, java.lang.Object value, org.datanucleus.query.expression.Expression.Operator op)
Constructor when the expression represents a comparison, between the field and a value.

Method Summary

protected static org.apache.hadoop.hbase.filter.CompareFilter.CompareOp	getComparisonOperatorForExpressionOperator(org.datanucleus.query.expression.Expression.Operator op)
org.apache.hadoop.hbase.filter.Filter	getFilter()

Methods inherited from class java.lang.Object

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

Constructor Detail

HBaseBooleanExpression

public HBaseBooleanExpression(java.lang.String familyName,
                              java.lang.String columnName,
                              java.lang.Object value,
                              org.datanucleus.query.expression.Expression.Operator op)

Constructor when the expression represents a comparison, between the field and a value.

Parameters:

familyName - Family name

columnName - Column name

value - The value

op - The operator (eq, noteq, lt, gt, etc)

HBaseBooleanExpression

public HBaseBooleanExpression(HBaseBooleanExpression expr1,
                              HBaseBooleanExpression expr2,
                              org.datanucleus.query.expression.Expression.Operator op)

Method Detail

getFilter

public org.apache.hadoop.hbase.filter.Filter getFilter()

getComparisonOperatorForExpressionOperator

protected static org.apache.hadoop.hbase.filter.CompareFilter.CompareOp getComparisonOperatorForExpressionOperator(org.datanucleus.query.expression.Expression.Operator op)