org.springframework.jdbc.core.InterruptibleBatchPreparedStatementSetter Maven / Gradle / Ivy
/*
* Copyright 2002-2006 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.jdbc.core;
/**
* Extension of the BatchPreparedStatementSetter interface that adds
* a batch exhaustion check.
*
* This interface allows you to signal the end of a batch rather than
* having to determine the exact batch size upfront. Batch size is still
* being honored but it is now the maximum size of the batch.
*
*
The isBatchExhausted method is called after each call to
* setValues to determine whether there were some values added
* or if the batch was determined to be complete and no additional values
* were provided during the last call to setValues.
*
*
Consider extending the AbstractInterruptibleBatchPreparedStatementSetter
* base class instead of implementing this interface directly, having a
* single callback method that combines the check for available values
* and the setting of those.
*
* @author Thomas Risberg
* @since 2.0
* @see JdbcTemplate#batchUpdate(String, BatchPreparedStatementSetter)
* @see org.springframework.jdbc.core.support.AbstractInterruptibleBatchPreparedStatementSetter
*/
public interface InterruptibleBatchPreparedStatementSetter extends BatchPreparedStatementSetter {
/**
* Return whether the batch is complete, that is, whether there were no
* additional values added during the last setValues call.
*
NOTE: If this method returns true, any parameters
* that might have been set during the last setValues call will
* be ignored! Make sure that you set a corresponding internal flag if you
* detect exhaustion at the beginning of your setValues
* implementation, letting this method return true based on the flag.
* @param i index of the statement we're issuing in the batch, starting from 0
* @see #setValues
*/
boolean isBatchExhausted(int i);
}