src/main/java/com/google/gwtorm/schema/sql/DialectH2.java

package com.google.gwtorm.schema.sql;

import com.google.gwtorm.client.OrmDuplicateKeyException;
import com.google.gwtorm.client.OrmException;

import java.sql.SQLException;

/** Dialect for <a href="http://www.h2database.com/">H2</a> */
public class DialectH2 extends SqlDialect {
  @Override
  public OrmException convertError(final String op, final String entity,
      final SQLException err) {
    switch (getSQLStateInt(err)) {
      case 23001: // UNIQUE CONSTRAINT VIOLATION
        return new OrmDuplicateKeyException(entity, err);

      case 23000: // CHECK CONSTRAINT VIOLATION
      default:
        return super.convertError(op, entity, err);
    }
  }

  @Override
  public String getNextSequenceValueSql(final String seqname) {
    return "SELECT NEXT VALUE FOR " + seqname;
  }
}