org.datayoo.moql.metadata

类 RelationOperationMetadata

java.lang.Object

org.datayoo.moql.metadata.OperationMetadata

org.datayoo.moql.metadata.RelationOperationMetadata

所有已实现的接口:

java.io.Serializable

public class RelationOperationMetadata
extends OperationMetadata
implements java.io.Serializable

作者:

Tang Tadin

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段和说明
protected java.lang.String	lOperand
protected SelectorDefinition	nestedSelector
protected java.lang.String	rOperand

从类继承的字段 org.datayoo.moql.metadata.OperationMetadata

operator, operatorType

构造器概要

构造器

构造器和说明
RelationOperationMetadata(java.lang.String operator, SelectorDefinition nestedSelector)
RelationOperationMetadata(java.lang.String operator, java.lang.String operand)
RelationOperationMetadata(java.lang.String operator, java.lang.String lOperand, SelectorDefinition nestedSelector)
RelationOperationMetadata(java.lang.String operator, java.lang.String lOperand, java.lang.String rOperand)

方法概要

限定符和类型	方法和说明
java.lang.String	getLeftOperand()
SelectorDefinition	getNestedSelector()
java.lang.String	getRightOperand()

从类继承的方法 org.datayoo.moql.metadata.OperationMetadata

getOperator, getOperatorType

从类继承的方法 java.lang.Object

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

字段详细资料

lOperand

protected java.lang.String lOperand

rOperand

protected java.lang.String rOperand

nestedSelector

protected SelectorDefinition nestedSelector

构造器详细资料

RelationOperationMetadata

public RelationOperationMetadata(java.lang.String operator,
                                 java.lang.String lOperand,
                                 java.lang.String rOperand)

RelationOperationMetadata

public RelationOperationMetadata(java.lang.String operator,
                                 java.lang.String lOperand,
                                 SelectorDefinition nestedSelector)

RelationOperationMetadata

public RelationOperationMetadata(java.lang.String operator,
                                 java.lang.String operand)

RelationOperationMetadata

public RelationOperationMetadata(java.lang.String operator,
                                 SelectorDefinition nestedSelector)

方法详细资料

getLeftOperand

public java.lang.String getLeftOperand()

getRightOperand

public java.lang.String getRightOperand()

getNestedSelector

public SelectorDefinition getNestedSelector()

返回:

the nestedColumnSelector