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18

Comparison in JPQL and Criteria API

, char, int, long, float, double), wrapper types (Byte, Short, Character, Integer, Long, Float
13

javax.persistence.criteria.CriteriaBuilder

Since: JPA 2.0 Predicate like( Expression<String> x, String pattern, char escapeChar) Create ... <String> x, Expression<String> pattern, char escapeChar) Create a predicate for testing ... <String> x, String pattern, char escapeChar) Create a predicate for testing whether the expression
5

trim(ts, t, x)

Method javax.persistence.criteria.CriteriaBuilder Expression<String> trim( Trimspec ts, char t, Expression<String> x ) Create expression to trim character from a string. Parameters: ts - trim specification t - character to be trimmed x - expression for string to trim Returns: trim expression Since: JPA 2.0
1

[ODB1] Chapter 4 - JDO Metadata

, short, char, int, long, float or double) embedded wrapper (Boolean, Byte, Short, Character
1

[ODB1] Chapter 3 - Persistent Classes

are also persistent types: All the primitive types - boolean, byte, short, char, int, long, float and double. Selected
1

javax.jdo.spi.StateManager

value for the field Since: JDO 1.0 char getCharField( PersistenceCapable pc, int field, char ... void providedCharField( PersistenceCapable pc, int field, char currentValue) The value of the field ... Since: JDO 1.0 char replacingCharField( PersistenceCapable pc, int field) The replacement value
0

javax.jdo.spi.PersistenceCapable.ObjectIdFieldManager

the ObjectId. Since: JDO 1.0 char fetchCharField(int fieldNumber) Fetch one field from the field manager ... the ObjectId. Since: JDO 1.0 void storeCharField(int fieldNumber, char value) Store one field into
0

setCharField(pc, field, currentValue, newValue)

Method javax.jdo.spi.StateManager void setCharField( PersistenceCapable pc, int field, char currentValue, char newValue ) Mark the field as modified by the user. Parameters: pc - the calling PersistenceCapable instance field - the field number currentValue - the current value of the field newValue - the proposed new value of the field Since: JDO 1.0
0

javax.jdo.identity.CharIdentity

pcClass, char key) Constructor with class and key. Constructor with class and key. Parameters ... if the class or class name is the same Since: JDO 1.0 char getKey() Return the key. Return the key
0

getCharField(pc, field, currentValue)

Method javax.jdo.spi.StateManager char getCharField( PersistenceCapable pc, int field, char currentValue ) Return the value for the field. Parameters: pc - the calling PersistenceCapable instance field - the field number currentValue - the current value of the field Returns: the new value for the field Since: JDO 1.0

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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