程序包 org.babyfish.jimmer.sql.ast.impl

类 NullExpression<T>

java.lang.Object

org.babyfish.jimmer.sql.ast.impl.AbstractExpression<T>

org.babyfish.jimmer.sql.ast.impl.NullExpression<T>

所有已实现的接口:

Expression<T>, Ast, ExpressionImplementor<T>, Selection<T>

public class NullExpression<T>
extends AbstractExpression<T>

嵌套类概要

从接口继承的嵌套类/接口 org.babyfish.jimmer.sql.ast.Expression

Expression.AnyFactory, Expression.ComparableFactory, Expression.DateFactory, Expression.NumericFactory, Expression.StringFactory, Expression.TemporalFactory

构造器概要

构造器

构造器	说明
NullExpression(Class<T> type)

方法概要

修饰符和类型	方法	说明
void	accept(@NotNull AstVisitor visitor)
protected boolean	determineHasVirtualPredicate()
boolean	equals(Object o)
Class<T>	getType()
int	hashCode()
protected Ast	onResolveVirtualPredicate(AstContext ctx)
int	precedence()
void	renderTo(@NotNull AbstractSqlBuilder<?> builder)

从类继承的方法 org.babyfish.jimmer.sql.ast.impl.AbstractExpression

hasVirtualPredicate, hasVirtualPredicate, hasVirtualPredicate, hasVirtualPredicate, renderChild, renderChild, resolveVirtualPredicate, usingLowestPrecedence

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.babyfish.jimmer.sql.ast.Expression

eqIf, eqIf, expressionIn, expressionNotIn, inIf, inIf, inIf, inIf, neIf, neIf, notInIf, notInIf, notInIf, notInIf, nullableInIf, nullableInIf, nullableNotInIf, nullableNotInIf

从接口继承的方法 org.babyfish.jimmer.sql.ast.impl.ExpressionImplementor

asc, coalesce, coalesce, coalesceBuilder, count, count, desc, eq, eq, in, in, isNotNull, isNull, ne, ne, notIn, notIn, nullableIn, nullableNotIn

构造器详细资料

NullExpression

public NullExpression(Class<T> type)

方法详细资料

accept

public void accept(@NotNull
 @NotNull AstVisitor visitor)

renderTo

public void renderTo(@NotNull
 @NotNull AbstractSqlBuilder<?> builder)

determineHasVirtualPredicate

protected boolean determineHasVirtualPredicate()

指定者:

determineHasVirtualPredicate 在类中 AbstractExpression<T>

onResolveVirtualPredicate

protected Ast onResolveVirtualPredicate(AstContext ctx)

指定者:

onResolveVirtualPredicate 在类中 AbstractExpression<T>

getType

public Class<T> getType()

precedence

public int precedence()

equals

public boolean equals(Object o)

覆盖:

equals 在类中 Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object