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21 package org.apache.expreval.expr.var;
22
23 import org.apache.expreval.client.NullColumnValueException;
24 import org.apache.expreval.client.ResultMissingColumnException;
25 import org.apache.expreval.expr.node.BooleanValue;
26 import org.apache.expreval.expr.node.NumberValue;
27 import org.apache.hadoop.hbase.client.Result;
28 import org.apache.hadoop.hbase.hbql.client.HBqlException;
29 import org.apache.hadoop.hbase.hbql.impl.HConnectionImpl;
30 import org.apache.hadoop.hbase.hbql.mapping.ColumnAttrib;
31
32 public class BooleanColumn extends GenericColumn<NumberValue> implements BooleanValue {
33
34 public BooleanColumn(final ColumnAttrib attrib) {
35 super(attrib);
36 }
37
38 public Boolean getValue(final HConnectionImpl conn, final Object object) throws HBqlException,
39 ResultMissingColumnException,
40 NullColumnValueException {
41 if (this.getExpressionContext().useResultData())
42 return (Boolean)this.getColumnAttrib().getValueFromBytes((Result)object);
43 else
44 return (Boolean)this.getColumnAttrib().getCurrentValue(object);
45 }
46 }