org.apache.expreval.expr.literal
Class GenericLiteral<T extends Serializable>

java.lang.Object
  org.apache.expreval.expr.literal.GenericLiteral<T>

All Implemented Interfaces:

Serializable, GenericValue

Direct Known Subclasses:

BooleanLiteral, ByteLiteral, DateLiteral, DoubleLiteral, FloatLiteral, IntegerLiteral, LongLiteral, NullLiteral, ObjectLiteral, ShortLiteral, StringLiteral

public abstract class GenericLiteral<T extends Serializable>
extends Object
implements GenericValue

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.expreval.expr.node.GenericValue

serialVersionUID

Constructor Summary

GenericLiteral(T value)

Method Summary

void	applyResultToAggregateValue(AggregateValue aggregateValue, org.apache.hadoop.hbase.client.Result result)
String	asString()
org.apache.hadoop.hbase.filter.Filter	getFilter()
GenericValue	getOptimizedValue()
protected abstract Class<? extends GenericValue>	getReturnType()
T	getValue(HConnectionImpl conn, Object object)
boolean	hasAColumnReference()
void	initAggregateValue(AggregateValue aggregateValue)
boolean	isAColumnReference()
boolean	isAConstant()
boolean	isAnAggregateValue()
boolean	isDefaultKeyword()
void	reset()
void	setExpressionContext(MultipleExpressionContext context)
Class<? extends GenericValue>	validateTypes(GenericValue parentExpr, boolean allowCollections)

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericLiteral

public GenericLiteral(T value)

Method Detail

getValue

public T getValue(HConnectionImpl conn,
                  Object object)

Specified by:

getValue in interface GenericValue

getOptimizedValue

public GenericValue getOptimizedValue()
                               throws HBqlException

Specified by:

getOptimizedValue in interface GenericValue

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

Specified by:

applyResultToAggregateValue in interface GenericValue

Throws:

HBqlException

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 context)

Specified by:

setExpressionContext in interface GenericValue

validateTypes

public Class<? extends GenericValue> validateTypes(GenericValue parentExpr,
                                                   boolean allowCollections)
                                            throws HBqlException

Specified by:

validateTypes in interface GenericValue

Throws:

HBqlException

getReturnType

protected abstract Class<? extends GenericValue> getReturnType()

asString

public String asString()

Specified by:

asString in interface GenericValue

getFilter

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

Specified by:

getFilter in interface GenericValue

Throws:

HBqlException