About equals

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JDO Doc
62

equals(obj)

Method javax.jdo.identity.IntIdentity boolean equals(   Object obj ) Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0
JDO Doc
62

equals(obj)

Method javax.jdo.identity.LongIdentity boolean equals(   Object obj ) Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0
JDO Doc
62

equals(obj)

Method javax.jdo.identity.ObjectIdentity boolean equals(   Object obj ) Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0
JDO Doc
62

equals(obj)

Method javax.jdo.identity.ShortIdentity boolean equals(   Object obj ) Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0
JDO Doc
62

equals(obj)

Method javax.jdo.identity.SingleFieldIdentity boolean equals(   Object obj ) Check the class and class name and object type. If restored from serialization, class will be null so compare class name. Parameters: obj - the other object Returns: true if the class or class name is the same Since: JDO 1.0
JDO Doc
62

equals(obj)

Method javax.jdo.identity.StringIdentity boolean equals(   Object obj ) Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0
JPA Doc
25

javax.persistence.criteria.CriteriaBuilder

with zero disjuncts is false. Returns: or predicate Since: JPA 2.0 Predicate equal( Expression x, Object y) Create a predicate for testing the arguments for equality. Create a predicate for testing the arguments for equality. Parameters: x - expression y - object Returns: equality predicate
Forum
22

Metamodel Attribute NOT EQUALS to same Attribute in a different EntityManager

Attribute from Metamodel initialized on @PostConstruct event IS NOT EQUALS of the same Attribute ... and the other on a @Controller @RequestMapping event, they return not equals Attributes using the same entity.   sameAttributeOnPostConstruct.equals(sameAttributeOnController) //is false   Build 2.5
Forum
21

java.sql.Date equals comparison not working with CriteriaAPI

Hello, Using ODB 2.4.5 and the Criteria API, doing a simple equals comparison with java.sql.Date ... = ...; Root root = ...; java.sql.Date myDate = ...; Predicate predicate = builder.equal ... .class);         q.select(root);         Predicate predicate = cb.equal(root.get("date"), cb.literal
Forum
21

Question about overriding default equals and hashcode

Hello Support, I have overrided equals and hashcode method in my entities beans. I don't know ... it have an impact on performance of database ? Regards, Xirt   ObjectDB does not usually use equals ... _commons.lang.Equals% org.jvnet.jaxb2_commons.lang.HashCode% org.jvnet.jaxb2_commons.lang