org.apache.expreval.expr
Class GenericExpression
java.lang.Object
org.apache.expreval.expr.GenericExpression
- All Implemented Interfaces:
- Serializable, GenericValue
- Direct Known Subclasses:
- BooleanNot, DelegateStmt, GenericCompare, GenericFunction
public abstract class GenericExpression
- extends Object
- implements GenericValue
- See Also:
- Serialized Form
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
GenericExpression
protected GenericExpression(ExpressionType type,
GenericValue... exprs)
GenericExpression
protected GenericExpression(ExpressionType type,
List<GenericValue> genericValueList)
GenericExpression
protected GenericExpression(ExpressionType type,
GenericValue expr,
List<GenericValue> genericValueList)
getTypeSignature
protected FunctionTypeSignature getTypeSignature()
getGenericValueList
public List<GenericValue> getGenericValueList()
getSubArgs
protected List<GenericValue> getSubArgs(int i)
useDecimal
protected boolean useDecimal()
getValueWithCast
protected Number getValueWithCast(long result)
throws HBqlException
- Throws:
HBqlException
getValueWithCast
protected Number getValueWithCast(double result)
throws HBqlException
- Throws:
HBqlException
validateNumericArgTypes
protected Class validateNumericArgTypes(Object... objs)
validateNumericTypes
protected Class<? extends GenericValue> validateNumericTypes()
throws HBqlException
- Throws:
HBqlException
isAConstant
public boolean isAConstant()
- Specified by:
isAConstant
in interface GenericValue
isDefaultKeyword
public boolean isDefaultKeyword()
- Specified by:
isDefaultKeyword
in interface GenericValue
isAnAggregateValue
public boolean isAnAggregateValue()
- Specified by:
isAnAggregateValue
in interface GenericValue
initAggregateValue
public void initAggregateValue(AggregateValue aggregateValue)
throws HBqlException
- Specified by:
initAggregateValue
in interface GenericValue
- 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
- Throws:
HBqlException
ResultMissingColumnException
NullColumnValueException
hasAColumnReference
public boolean hasAColumnReference()
- Specified by:
hasAColumnReference
in interface GenericValue
isAColumnReference
public boolean isAColumnReference()
- Specified by:
isAColumnReference
in interface GenericValue
reset
public void reset()
- Specified by:
reset
in interface GenericValue
setExpressionContext
public void setExpressionContext(MultipleExpressionContext expressionContext)
throws HBqlException
- Specified by:
setExpressionContext
in interface GenericValue
- Throws:
HBqlException
getExpressionContext
protected MultipleExpressionContext getExpressionContext()
optimizeAllArgs
protected void optimizeAllArgs()
throws HBqlException
- Throws:
HBqlException
newSingleColumnValueFilter
protected org.apache.hadoop.hbase.filter.Filter newSingleColumnValueFilter(ColumnAttrib attrib,
org.apache.hadoop.hbase.filter.CompareFilter.CompareOp compareOp,
org.apache.hadoop.hbase.filter.WritableByteArrayComparable comparator)
throws HBqlException
- Throws:
HBqlException
getConstantValue
protected Object getConstantValue(int pos)
throws HBqlException
- Throws:
HBqlException
getExprArg
public GenericValue getExprArg(int i)
setArg
public void setArg(int i,
GenericValue val)
validateTypes
public Class<? extends GenericValue> validateTypes(GenericValue parentExpr,
boolean allowCollections)
throws HBqlException
- Specified by:
validateTypes
in interface GenericValue
- Throws:
HBqlException
getOptimizedValue
public GenericValue getOptimizedValue()
throws HBqlException
- Specified by:
getOptimizedValue
in interface GenericValue
- Throws:
HBqlException
asString
public String asString()
- Specified by:
asString
in interface GenericValue
validateParentClass
public void validateParentClass(Class<? extends GenericValue> parentClass,
Class<? extends GenericValue>... childrenClasses)
throws InvalidTypeException
- Throws:
InvalidTypeException
getInvalidTypeMsg
public String getInvalidTypeMsg(Class<? extends GenericValue>... classes)
getGenericValueClass
protected Class<? extends GenericValue> getGenericValueClass(Class<? extends GenericValue> clazz)
throws InvalidTypeException
- Throws:
InvalidTypeException
getFilter
public org.apache.hadoop.hbase.filter.Filter getFilter()
throws HBqlException
- Specified by:
getFilter
in interface GenericValue
- Throws:
HBqlException
Copyright © 2011. All Rights Reserved.