org.apache.ambari.server.api.predicate.operators

Class LessOperator

java.lang.Object

org.apache.ambari.server.api.predicate.operators.AbstractOperator

org.apache.ambari.server.api.predicate.operators.LessOperator

All Implemented Interfaces:

Operator, RelationalOperator

public class LessOperator
extends AbstractOperator
implements RelationalOperator

Less Than operator implementation.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.ambari.server.api.predicate.operators.Operator

Operator.TYPE

Field Summary

Fields inherited from interface org.apache.ambari.server.api.predicate.operators.Operator

MAX_OP_PRECEDENCE

Constructor Summary

Constructors

Constructor and Description
LessOperator() Constructor.

Method Summary

Modifier and Type	Method and Description
String	getName() Get the name of the operator.
Operator.TYPE	getType() Get the operator type.
Predicate	toPredicate(String prop, String val) Create a predicate for this relational operator.

Methods inherited from class org.apache.ambari.server.api.predicate.operators.AbstractOperator

getBasePrecedence, getPrecedence, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ambari.server.api.predicate.operators.Operator

getPrecedence

Constructor Detail

LessOperator

public LessOperator()

Constructor.

Method Detail

getType

public Operator.TYPE getType()

Description copied from interface: Operator

Get the operator type.

Specified by:

getType in interface Operator

Returns:

the operator type

toPredicate

public Predicate toPredicate(String prop,
                             String val)

Description copied from interface: RelationalOperator

Create a predicate for this relational operator.

Specified by:

toPredicate in interface RelationalOperator

Parameters:

prop - left operand

val - right operand

Returns:

a predicate instance for this operator.

getName

public String getName()

Description copied from class: AbstractOperator

Get the name of the operator.

Specified by:

getName in class AbstractOperator

Returns:

the operator name