org.apache.expreval.expr.function
Class DelegateFunction
java.lang.Object
org.apache.expreval.expr.GenericExpression
org.apache.expreval.expr.DelegateStmt<GenericFunction>
org.apache.expreval.expr.function.DelegateFunction
- All Implemented Interfaces:
- Serializable, GenericValue
public class DelegateFunction
- extends DelegateStmt<GenericFunction>
- See Also:
- Serialized Form
Methods inherited from class org.apache.expreval.expr.GenericExpression |
getConstantValue, getExprArg, getExpressionContext, getFilter, getGenericValueClass, getGenericValueList, getInvalidTypeMsg, getSubArgs, getTypeSignature, getValueWithCast, getValueWithCast, hasAColumnReference, isAColumnReference, isAConstant, isDefaultKeyword, newSingleColumnValueFilter, optimizeAllArgs, reset, setArg, setExpressionContext, useDecimal, validateNumericArgTypes, validateNumericTypes, validateParentClass |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
DelegateFunction
public DelegateFunction(String functionName,
List<GenericValue> exprList)
validateTypes
public Class<? extends GenericValue> validateTypes(GenericValue parentExpr,
boolean allowCollections)
throws HBqlException
- Specified by:
validateTypes
in interface GenericValue
- Overrides:
validateTypes
in class GenericExpression
- Throws:
HBqlException
isAnAggregateValue
public boolean isAnAggregateValue()
- Specified by:
isAnAggregateValue
in interface GenericValue
- Overrides:
isAnAggregateValue
in class GenericExpression
getOptimizedValue
public GenericValue getOptimizedValue()
throws HBqlException
- Specified by:
getOptimizedValue
in interface GenericValue
- Overrides:
getOptimizedValue
in class GenericExpression
- Throws:
HBqlException
getValue
public Object getValue(HConnectionImpl conn,
Object object)
throws HBqlException,
ResultMissingColumnException,
NullColumnValueException
- Throws:
HBqlException
ResultMissingColumnException
NullColumnValueException
initAggregateValue
public void initAggregateValue(AggregateValue aggregateValue)
throws HBqlException
- Specified by:
initAggregateValue
in interface GenericValue
- Overrides:
initAggregateValue
in class GenericExpression
- Throws:
HBqlException
applyResultToAggregateValue
public void applyResultToAggregateValue(AggregateValue aggregateValue,
org.apache.hadoop.hbase.client.Result result)
throws HBqlException,
ResultMissingColumnException,
NullColumnValueException
- Specified by:
applyResultToAggregateValue
in interface GenericValue
- Overrides:
applyResultToAggregateValue
in class GenericExpression
- Throws:
HBqlException
ResultMissingColumnException
NullColumnValueException
getFunctionName
public String getFunctionName()
asString
public String asString()
- Specified by:
asString
in interface GenericValue
- Overrides:
asString
in class GenericExpression
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