本文整理了Java中org.springframework.jdbc.core.JdbcTemplate.queryForLong()方法的一些代码示例，展示了JdbcTemplate.queryForLong()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JdbcTemplate.queryForLong()方法的具体详情如下：
包路径：org.springframework.jdbc.core.JdbcTemplate
类名称：JdbcTemplate
方法名：queryForLong

JdbcTemplate.queryForLong介绍

暂无

代码示例

代码示例来源：origin: snakerflow/snakerflow

public Object queryCount(String sql, Object... args) {
  return template.queryForLong(sql, args);
}

代码示例来源：origin: vonzhou/SpringInAction3

private long queryForIdentity() {
  return getJdbcTemplate().queryForLong("call identity()");
}

代码示例来源：origin: ch.inftec.ju/ju-dbutil

/**
   * Sets the nextVal of an Oracle sequence.
   * <p>
   * Only works with sequences that have an increment of +1.
   * @param sequenceName Sequence name
   * @param nextVal Value that should be yielded by next NEXVAL call
   */
  public void oracleSequenceSetNextVal(String sequenceName, long nextVal) {
    JdbcTemplate jdbcTemplate = new JdbcTemplate(this.dataSource);
    
    Long currentValue = jdbcTemplate.queryForLong(String.format("SELECT %s.NEXTVAL from dual", sequenceName));
    Long increment = nextVal - currentValue - 1;
    jdbcTemplate.execute(String.format("ALTER SEQUENCE %s INCREMENT BY %d", sequenceName, increment));
    jdbcTemplate.execute(String.format("SELECT %s.NEXTVAL from dual", sequenceName));
    jdbcTemplate.execute(String.format("ALTER SEQUENCE %s INCREMENT BY 1", sequenceName));
  }
}

代码示例来源：origin: org.acegisecurity/acegi-security

/**
 * Deletes a single row from acl_object_identity that is associated with the presented ObjectIdentity. In
 * addition, deletes the corresponding row from acl_class if there are no more entries in acl_object_identity that
 * use that particular acl_class. This keeps the acl_class table reasonably small.
 *
 * @param oid to delete the acl_object_identity (and clean up acl_class for that class name if appropriate)
 */
protected void deleteObjectIdentityAndOptionallyClass(ObjectIdentity oid) {
  // Delete the acl_object_identity row
  jdbcTemplate.update(deleteObjectIdentityByPrimaryKey, new Object[] {retrieveObjectIdentityPrimaryKey(oid)});
  // Delete the acl_class row, assuming there are no other references to it in acl_object_identity
  Object[] className = {oid.getJavaType().getName()};
  long numObjectIdentities = jdbcTemplate.queryForLong(selectCountObjectIdentityRowsForParticularClassNameString,
      className);
  if (numObjectIdentities == 0) {
    // No more rows
    jdbcTemplate.update(deleteClassByClassNameString, className);
  }
}

代码示例来源：origin: org.acegisecurity/acegi-security

/**
 * Retrieves the primary key from the acl_object_identity table for the passed ObjectIdentity. Unlike some
 * other methods in this implementation, this method will NOT create a row (use {@link
 * #createObjectIdentity(ObjectIdentity, Sid)} instead).
 *
 * @param oid to find
 *
 * @return the object identity or null if not found
 */
protected Long retrieveObjectIdentityPrimaryKey(ObjectIdentity oid) {
  try {
    return new Long(jdbcTemplate.queryForLong(selectObjectIdentityPrimaryKey,
        new Object[] {oid.getJavaType().getName(), oid.getIdentifier()}));
  } catch (DataAccessException notFound) {
    return null;
  }
}

代码示例来源：origin: org.acegisecurity/acegi-security

/**
 * Retrieves the primary key from acl_class, creating a new row if needed and the allowCreate property is
 * true.
 *
 * @param clazz to find or create an entry for (this implementation uses the fully-qualified class name String)
 * @param allowCreate true if creation is permitted if not found
 *
 * @return the primary key or null if not found
 */
protected Long createOrRetrieveClassPrimaryKey(Class clazz, boolean allowCreate) {
  List classIds = jdbcTemplate.queryForList(selectClassPrimaryKey, new Object[] {clazz.getName()}, Long.class);
  Long classId = null;
  if (classIds.isEmpty()) {
    if (allowCreate) {
      classId = null;
      jdbcTemplate.update(insertClass, new Object[] {clazz.getName()});
      Assert.isTrue(TransactionSynchronizationManager.isSynchronizationActive(),
          "Transaction must be running");
      classId = new Long(jdbcTemplate.queryForLong(identityQuery));
    }
  } else {
    classId = (Long) classIds.iterator().next();
  }
  return classId;
}

代码示例来源：origin: acogoluegnes/Spring-Batch-Workshop

@Override
public void write(List<? extends Contact> items) throws Exception {
  for(Contact item : items) {
    Long id = jdbcTemplate.queryForLong("select contact_seq.nextval from dual");
    jdbcTemplate.update(
      "insert into contact (id,firstname,lastname,birth) values (?,?,?,?)",
      id,item.getFirstname(),item.getLastname(),item.getBirth()
    );
  }
}

代码示例来源：origin: acogoluegnes/Spring-Batch-Workshop

@Override
public void write(List<? extends Contact> items) throws Exception {
  for(Contact item : items) {
    Long id = jdbcTemplate.queryForLong("select contact_seq.nextval from dual");
    jdbcTemplate.update(
      "insert into contact (id,firstname,lastname,birth) values (?,?,?,?)",
      id,item.getFirstname(),item.getLastname(),item.getBirth()
    );
  }
}

代码示例来源：origin: org.acegisecurity/acegi-security

Assert.isTrue(TransactionSynchronizationManager.isSynchronizationActive(),
    "Transaction must be running");
sidId = new Long(jdbcTemplate.queryForLong(identityQuery));

代码示例来源：origin: io.openscore/score-data-impl

private boolean shouldBeRolled(PartitionGroup partitionGroup){
  if (partitionGroup.getTimeThreshold() != -1){
    long lastRoll = System.currentTimeMillis()-partitionGroup.getLastRollTime();
    if (logger.isDebugEnabled()) logger.debug("Partition group [" + partitionGroup.getName() + "] was rolled before " + lastRoll + " ms");
    if (lastRoll > partitionGroup.getTimeThreshold()){
      if (logger.isInfoEnabled()) logger.info("Partition group [" + partitionGroup.getName() + "] has reached a time threshold and will be rolled");
      return true;
    } else if (logger.isDebugEnabled()){
      logger.debug("Time threshold wasn't reached -> timeThreshold-lastRoll = " + (partitionGroup.getTimeThreshold()-lastRoll) + " ms");
    }
  }
  if (partitionGroup.getSizeThreshold() != -1){
    long partitionSize = jdbcTemplate.queryForLong(SQL("select count(*) from " + table(partitionGroup)));
    if (logger.isDebugEnabled()) logger.debug("Partition group [" + partitionGroup.getName() + "]: active partition=" + partitionGroup.getActivePartition() + ", size=" + partitionSize);
    if (partitionSize >= partitionGroup.getSizeThreshold()){
      if (logger.isInfoEnabled()) logger.info("Partition group [" + partitionGroup.getName() + "] has reached a records limit and will be rolled");
      return true;
    }
  }
  return false;
}