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21 package org.apache.expreval.expr.casestmt;
22
23 import org.apache.expreval.client.NullColumnValueException;
24 import org.apache.expreval.client.ResultMissingColumnException;
25 import org.apache.expreval.expr.DelegateStmt;
26 import org.apache.expreval.expr.ExpressionType;
27 import org.apache.expreval.expr.node.GenericValue;
28 import org.apache.hadoop.hbase.hbql.client.HBqlException;
29 import org.apache.hadoop.hbase.hbql.impl.HConnectionImpl;
30
31 public abstract class GenericCaseElse extends DelegateStmt<GenericCaseElse> {
32
33 protected GenericCaseElse(final ExpressionType type, final GenericValue arg0) {
34 super(type, arg0);
35 }
36
37 public Object getValue(final HConnectionImpl conn, final Object object) throws HBqlException,
38 ResultMissingColumnException,
39 NullColumnValueException {
40 return this.getExprArg(0).getValue(conn, object);
41 }
42
43 public String asString() {
44 return "ELSE " + this.getExprArg(0).asString() + " ";
45 }
46 }