com.alibaba.druid.sql.ast.expr

Class SQLNumberExpr

java.lang.Object

com.alibaba.druid.sql.ast.SQLObjectImpl

com.alibaba.druid.sql.ast.SQLExprImpl

com.alibaba.druid.sql.ast.expr.SQLNumericLiteralExpr

com.alibaba.druid.sql.ast.expr.SQLNumberExpr

All Implemented Interfaces:

SQLLiteralExpr, SQLValuableExpr, SQLExpr, SQLObject, Cloneable

public class SQLNumberExpr
extends SQLNumericLiteralExpr
implements SQLValuableExpr

Field Summary

Fields

Modifier and Type	Field and Description
static SQLDataType	DATA_TYPE_BIGINT
static SQLDataType	DATA_TYPE_DOUBLE
static SQLDataType	DATA_TYPE_NUMBER

Constructor Summary

Constructors

Constructor and Description
SQLNumberExpr()
SQLNumberExpr(char[] chars)
SQLNumberExpr(char[] chars, SQLObject parent)
SQLNumberExpr(Number number)

Method Summary

Modifier and Type	Method and Description
SQLNumberExpr	clone()
SQLDataType	computeDataType()
boolean	equals(Object obj)
String	getLiteral()
Number	getNumber()
Number	getValue()
int	hashCode()
static boolean	isOne(SQLExpr x)
static boolean	isZero(SQLExpr x)
void	output(Appendable buf)
void	output(StringBuffer buf)
void	output(StringBuilder buf)
void	setNumber(Number number)

Methods inherited from class com.alibaba.druid.sql.ast.expr.SQLNumericLiteralExpr

getChildren

Methods inherited from class com.alibaba.druid.sql.ast.SQLObjectImpl

accept, addAfterComment, addAfterComment, addBeforeComment, addBeforeComment, containsAttribute, getAfterCommentsDirect, getAttribute, getAttributes, getAttributesDirect, getBeforeCommentsDirect, getHint, getParent, getSourceColumn, getSourceLine, hasAfterComment, hasBeforeComment, putAttribute, setHint, setParent, setSourceColumn, setSourceLine, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.alibaba.druid.sql.ast.SQLExpr

getChildren, getHint

Methods inherited from interface com.alibaba.druid.sql.ast.SQLObject

accept, addAfterComment, addAfterComment, addBeforeComment, addBeforeComment, containsAttribute, getAfterCommentsDirect, getAttribute, getAttributes, getAttributesDirect, getBeforeCommentsDirect, getParent, hasAfterComment, hasBeforeComment, putAttribute, setParent

Field Detail

DATA_TYPE_NUMBER

public static final SQLDataType DATA_TYPE_NUMBER

DATA_TYPE_DOUBLE

public static final SQLDataType DATA_TYPE_DOUBLE

DATA_TYPE_BIGINT

public static final SQLDataType DATA_TYPE_BIGINT

Constructor Detail

SQLNumberExpr

public SQLNumberExpr()

SQLNumberExpr

public SQLNumberExpr(Number number)

SQLNumberExpr

public SQLNumberExpr(char[] chars,
                     SQLObject parent)

SQLNumberExpr

public SQLNumberExpr(char[] chars)

Method Detail

getNumber

public Number getNumber()

Specified by:

getNumber in class SQLNumericLiteralExpr

getLiteral

public String getLiteral()

getValue

public Number getValue()

Specified by:

getValue in interface SQLValuableExpr

setNumber

public void setNumber(Number number)

Specified by:

setNumber in class SQLNumericLiteralExpr

output

public void output(StringBuilder buf)

output

public void output(StringBuffer buf)

Specified by:

output in interface SQLObject

Overrides:

output in class SQLObjectImpl

output

public void output(Appendable buf)

Specified by:

output in interface SQLObject

Overrides:

output in class SQLObjectImpl

hashCode

public int hashCode()

Specified by:

hashCode in class SQLExprImpl

equals

public boolean equals(Object obj)

Specified by:

equals in class SQLExprImpl

clone

public SQLNumberExpr clone()

Specified by:

clone in interface SQLLiteralExpr

Specified by:

clone in interface SQLExpr

Specified by:

clone in interface SQLObject

Specified by:

clone in class SQLNumericLiteralExpr

computeDataType

public SQLDataType computeDataType()

Specified by:

computeDataType in interface SQLExpr

Overrides:

computeDataType in class SQLExprImpl

isZero

public static boolean isZero(SQLExpr x)

isOne

public static boolean isOne(SQLExpr x)