Java Doc for SGenerator.java in  » Database-ORM » SimpleORM » simpleorm » core » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » SimpleORM » simpleorm.core   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    simpleorm.core.SGenerator All known Subclasses:   simpleorm.core.SGeneratorSequenceTable,  simpleorm.core.SGeneratorInsertIdentity,  simpleorm.core.SGeneratorSequence,  simpleorm.core.SGeneratorSelectMax, SGenerator abstract public class SGenerator (Code) Generate keys using rows in a separate sequence table. This should be done in a separate transaction to avoid locking problems. Field Summary protected  SRecordMeta record      Constructor Summary public   SGenerator(SRecordMeta record)      Method Summary public  String createDDL()      returns DDL required to support number generation, Eg. public  SRecordInstance createWithGeneratedKey(SRecordMeta meta, SFieldMeta keyField)      Create a new record with a generated key. public  String dropDDL()      abstract protected  long generateKey(SRecordMeta meta, SFieldMeta keyField)       void updateWithGeneratedKey(SRecordInstance instance, SFieldMeta keyField)      Update instance with a newly generated key. Field Detail record protected SRecordMeta record(Code) Constructor Detail SGenerator public SGenerator(SRecordMeta record)(Code) Method Detail createDDL public String createDDL()(Code) returns DDL required to support number generation, Eg. "CREATE SEQUENCE FOO..." Returns a string rather than just doing it so that the caller can create a DDL file if they want to. createWithGeneratedKey public SRecordInstance createWithGeneratedKey(SRecordMeta meta, SFieldMeta keyField)(Code) Create a new record with a generated key. dropDDL public String dropDDL()(Code) generateKey abstract protected long generateKey(SRecordMeta meta, SFieldMeta keyField)(Code) updateWithGeneratedKey void updateWithGeneratedKey(SRecordInstance instance, SFieldMeta keyField)(Code) Update instance with a newly generated key. For example, when reattaching a record. ### needs to be unified with createWithGeneratedKey! The hard one is the Insert Identity. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)