org.apache.metamodel.query

Class OperatorTypeImpl

java.lang.Object

org.apache.metamodel.query.OperatorTypeImpl

All Implemented Interfaces:

Serializable, OperatorType

public class OperatorTypeImpl
extends Object
implements OperatorType

Simple implementation of OperatorType

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.metamodel.query.OperatorType

BUILT_IN_OPERATORS, DIFFERENT_FROM, EQUALS_TO, GREATER_THAN, GREATER_THAN_OR_EQUAL, IN, LESS_THAN, LESS_THAN_OR_EQUAL, LIKE, NOT_IN, NOT_LIKE

Constructor Summary

Constructors

Constructor and Description
OperatorTypeImpl(String sql, boolean spaceDelimited)

Method Summary

Modifier and Type	Method and Description
static OperatorType	convertOperatorType(String sqlType) Converts from SQL string literals to an OperatorType.
boolean	equals(Object obj)
boolean	isSpaceDelimited() Determines if this operator requires a space delimitor.
String	toSql()

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorTypeImpl

public OperatorTypeImpl(String sql,
                        boolean spaceDelimited)

Method Detail

isSpaceDelimited

public boolean isSpaceDelimited()

Description copied from interface: OperatorType

Determines if this operator requires a space delimitor. Operators that are written using letters usually require space delimitation whereas sign-based operators such as "=" and "<" can be applied even without any delimitaton.

Specified by:

isSpaceDelimited in interface OperatorType

Returns:

toSql

public String toSql()

Specified by:

toSql in interface OperatorType

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

convertOperatorType

public static OperatorType convertOperatorType(String sqlType)

Converts from SQL string literals to an OperatorType. Valid SQL values are "=", "<>", "LIKE", ">", ">=", "<" and "<=".

Parameters:

sqlType -

Returns:

a OperatorType object representing the specified SQL type