com.landawn.abacus.condition

Class Expression

java.lang.Object

com.landawn.abacus.condition.AbstractCondition

com.landawn.abacus.condition.Expression

All Implemented Interfaces:

Condition, Serializable, Cloneable

Direct Known Subclasses:

Expression.Expr

public class Expression
extends AbstractCondition

Since:

0.8

Author:

Haiyang Li

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Expression.Expr The Class Expr.

Constructor Summary

Constructors

Constructor and Description
Expression(String literal)

Method Summary

Modifier and Type	Method and Description
static String	abs(String expression)
static String	acos(String expression)
static String	and(String... literals)
static String	asin(String expression)
static String	atan(String expression)
static String	average(String expression)
static String	between(String literal, Object min, Object max)
static String	bitwiseAnd(Object... objects)
static String	bitwiseOr(Object... objects)
static String	bitwiseXOr(Object... objects) Bitwise X or.
static String	bt(String literal, Object min, Object max)
static String	ceil(String expression)
void	clearParameters() Clear parameters.
static String	concat(String st1, String st2)
static String	cos(String expression)
static String	count(String expression)
static String	division(Object... objects)
static String	eq(String literal, Object value)
static String	equal(String literal, Object value)
boolean	equals(Object obj)
static String	exp(String expression)
static String	floor(String expression)
static String	formalize(Object value)
static String	ge(String literal, Object value)
String	getLiteral() Gets the literal.
List<Object>	getParameters() Gets the parameters.
static String	greaterEqual(String literal, Object value)
static String	greaterThan(String literal, Object value)
static String	gt(String literal, Object value)
int	hashCode()
static String	isEmpty(String literal) Checks if is empty.
static String	isNotEmpty(String literal) Checks if is not empty.
static String	isNotNull(String literal) Checks if is not null.
static String	isNull(String literal) Checks if is null.
static String	le(String literal, Object value)
static String	lessEqual(String literal, Object value)
static String	lessThan(String literal, Object value)
static String	like(String literal, String value)
static String	ln(String expression)
static String	log(String b, String x)
static String	lower(String st)
static String	lPad(String st, int length, String padStr)
static String	lShift(Object... objects)
static String	lt(String literal, Object value)
static String	lTrim(String st)
static String	max(String expression)
static String	min(String expression)
static String	minus(Object... objects)
static String	mod(String n1, String n2)
static String	modulus(Object... objects)
static String	multi(Object... objects)
static String	ne(String literal, Object value)
static String	notEqual(String literal, Object value)
static Expression	of(String literal)
static String	or(String... literals)
static String	plus(Object... objects)
static String	power(String n1, String n2)
static String	replace(String st, String oldString, String replacement)
static String	rPad(String st, int length, String padStr)
static String	rShift(Object... objects)
static String	rTrim(String st)
static String	sign(String expression)
static String	sin(String expression)
static String	sqrt(String expression)
static String	stringLength(String st)
static String	subString(String st, int fromIndex)
static String	subString(String st, int fromIndex, int length)
static String	sum(String expression)
static String	tan(String expression)
String	toString(NamingPolicy namingPolicy)
static String	trim(String st)
static String	upper(String st)

Methods inherited from class com.landawn.abacus.condition.AbstractCondition

and, copy, getOperator, not, or, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Expression

public Expression(String literal)

Method Detail

getLiteral

public String getLiteral()

Gets the literal.

Returns:

of

public static Expression of(String literal)

Parameters:

literal -

Returns:

equal

public static String equal(String literal,
                           Object value)

Parameters:

literal -

value -

Returns:

eq

public static String eq(String literal,
                        Object value)

Parameters:

literal -

value -

Returns:

notEqual

public static String notEqual(String literal,
                              Object value)

Parameters:

literal -

value -

Returns:

ne

public static String ne(String literal,
                        Object value)

Parameters:

literal -

value -

Returns:

greaterThan

public static String greaterThan(String literal,
                                 Object value)

Parameters:

literal -

value -

Returns:

gt

public static String gt(String literal,
                        Object value)

Parameters:

literal -

value -

Returns:

greaterEqual

public static String greaterEqual(String literal,
                                  Object value)

Parameters:

literal -

value -

Returns:

ge

public static String ge(String literal,
                        Object value)

Parameters:

literal -

value -

Returns:

lessThan

public static String lessThan(String literal,
                              Object value)

Parameters:

literal -

value -

Returns:

lt

public static String lt(String literal,
                        Object value)

Parameters:

literal -

value -

Returns:

lessEqual

public static String lessEqual(String literal,
                               Object value)

Parameters:

literal -

value -

Returns:

le

public static String le(String literal,
                        Object value)

Parameters:

literal -

value -

Returns:

between

public static String between(String literal,
                             Object min,
                             Object max)

Parameters:

literal -

min -

max -

Returns:

bt

public static String bt(String literal,
                        Object min,
                        Object max)

Parameters:

literal -

min -

max -

Returns:

like

public static String like(String literal,
                          String value)

Parameters:

literal -

value -

Returns:

isNull

public static String isNull(String literal)

Checks if is null.

Parameters:

literal -

Returns:

isNotNull

public static String isNotNull(String literal)

Checks if is not null.

Parameters:

literal -

Returns:

isEmpty

public static String isEmpty(String literal)

Checks if is empty.

Parameters:

literal -

Returns:

isNotEmpty

public static String isNotEmpty(String literal)

Checks if is not empty.

Parameters:

literal -

Returns:

and

@SafeVarargs
public static String and(String... literals)

Parameters:

literals -

Returns:

or

@SafeVarargs
public static String or(String... literals)

Parameters:

literals -

Returns:

plus

@SafeVarargs
public static String plus(Object... objects)

Parameters:

objects -

Returns:

minus

@SafeVarargs
public static String minus(Object... objects)

Parameters:

objects -

Returns:

multi

@SafeVarargs
public static String multi(Object... objects)

Parameters:

objects -

Returns:

division

@SafeVarargs
public static String division(Object... objects)

Parameters:

objects -

Returns:

modulus

@SafeVarargs
public static String modulus(Object... objects)

Parameters:

objects -

Returns:

lShift

@SafeVarargs
public static String lShift(Object... objects)

Parameters:

objects -

Returns:

rShift

@SafeVarargs
public static String rShift(Object... objects)

Parameters:

objects -

Returns:

bitwiseAnd

@SafeVarargs
public static String bitwiseAnd(Object... objects)

Parameters:

objects -

Returns:

bitwiseOr

@SafeVarargs
public static String bitwiseOr(Object... objects)

Parameters:

objects -

Returns:

bitwiseXOr

@SafeVarargs
public static String bitwiseXOr(Object... objects)

Bitwise X or.

Parameters:

objects -

Returns:

formalize

public static String formalize(Object value)

Parameters:

value -

Returns:

count

public static String count(String expression)

Parameters:

expression -

Returns:

average

public static String average(String expression)

Parameters:

expression -

Returns:

sum

public static String sum(String expression)

Parameters:

expression -

Returns:

min

public static String min(String expression)

Parameters:

expression -

Returns:

max

public static String max(String expression)

Parameters:

expression -

Returns:

abs

public static String abs(String expression)

Parameters:

expression -

Returns:

acos

public static String acos(String expression)

Parameters:

expression -

Returns:

asin

public static String asin(String expression)

Parameters:

expression -

Returns:

atan

public static String atan(String expression)

Parameters:

expression -

Returns:

ceil

public static String ceil(String expression)

Parameters:

expression -

Returns:

cos

public static String cos(String expression)

Parameters:

expression -

Returns:

exp

public static String exp(String expression)

Parameters:

expression -

Returns:

floor

public static String floor(String expression)

Parameters:

expression -

Returns:

log

public static String log(String b,
                         String x)

Parameters:

b -

x -

Returns:

ln

public static String ln(String expression)

Parameters:

expression -

Returns:

mod

public static String mod(String n1,
                         String n2)

Parameters:

n1 -

n2 -

Returns:

power

public static String power(String n1,
                           String n2)

Parameters:

n1 -

n2 -

Returns:

sign

public static String sign(String expression)

Parameters:

expression -

Returns:

sin

public static String sin(String expression)

Parameters:

expression -

Returns:

sqrt

public static String sqrt(String expression)

Parameters:

expression -

Returns:

tan

public static String tan(String expression)

Parameters:

expression -

Returns:

concat

public static String concat(String st1,
                            String st2)

Parameters:

st1 -

st2 -

Returns:

replace

public static String replace(String st,
                             String oldString,
                             String replacement)

Parameters:

st -

oldString -

replacement -

Returns:

stringLength

public static String stringLength(String st)

Parameters:

st -

Returns:

subString

public static String subString(String st,
                               int fromIndex)

Parameters:

st -

fromIndex -

Returns:

subString

public static String subString(String st,
                               int fromIndex,
                               int length)

Parameters:

st -

fromIndex -

length -

Returns:

trim

public static String trim(String st)

Parameters:

st -

Returns:

lTrim

public static String lTrim(String st)

Parameters:

st -

Returns:

rTrim

public static String rTrim(String st)

Parameters:

st -

Returns:

lPad

public static String lPad(String st,
                          int length,
                          String padStr)

Parameters:

st -

length -

padStr -

Returns:

rPad

public static String rPad(String st,
                          int length,
                          String padStr)

Parameters:

st -

length -

padStr -

Returns:

lower

public static String lower(String st)

Parameters:

st -

Returns:

upper

public static String upper(String st)

Parameters:

st -

Returns:

getParameters

public List<Object> getParameters()

Gets the parameters.

Returns:

clearParameters

public void clearParameters()

Clear parameters.

toString

public String toString(NamingPolicy namingPolicy)

Parameters:

namingPolicy -

Returns:

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

Parameters:

obj -

Returns:

true, if successful