org.kuali.common.jdbc.convert
Class AbstractInsertMergeSqlConverter

java.lang.Object
  org.kuali.common.jdbc.convert.AbstractInsertMergeSqlConverter

All Implemented Interfaces:

SqlConverter

public abstract class AbstractInsertMergeSqlConverter
extends Object
implements SqlConverter

This class provides a common framework for SqlConverter classes which merge insert statements into batch inserts

Author:

andrewlubbers

Constructor Summary

AbstractInsertMergeSqlConverter()

Method Summary

protected abstract String	combineInserts(ConversionContext conversionContext, SqlInsertContext sqlInsertContext) Performs the real work of combining insert statements into batch inserts.
protected boolean	continueBatch(String sql, int count, int length, ConversionContext context) A common test to determine if the current insert batch should continue adding data
ConversionResult	convert(ConversionContext context)
protected ConversionResult	convert(ConversionContext context, SqlReader reader, BufferedReader in, OutputStream out)
abstract String	getInsertPrefix() Returns the platform-specific prefix for an INSERT statement
String	getLineFeed()
protected SqlMetaData	getMetaData(File file, SqlReader reader, String encoding)
protected String	getOutputSql(ConversionContext context, BufferedReader in, String sql, SqlReader reader)
protected boolean	isInsert(String sql)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractInsertMergeSqlConverter

public AbstractInsertMergeSqlConverter()

Method Detail

convert

public ConversionResult convert(ConversionContext context)

Specified by:

convert in interface SqlConverter

convert

protected ConversionResult convert(ConversionContext context,
                                   SqlReader reader,
                                   BufferedReader in,
                                   OutputStream out)
                            throws IOException

Throws:

IOException

getOutputSql

protected String getOutputSql(ConversionContext context,
                              BufferedReader in,
                              String sql,
                              SqlReader reader)
                       throws IOException

Throws:

IOException

combineInserts

protected abstract String combineInserts(ConversionContext conversionContext,
                                         SqlInsertContext sqlInsertContext)
                                  throws IOException

Performs the real work of combining insert statements into batch inserts.

Parameters:

conversionContext - reference to meta data for this conversion process

sqlInsertContext - contains the sql to convert and IO objects to write conversion results

Returns:

converted sql

Throws:

IOException

isInsert

protected boolean isInsert(String sql)

getInsertPrefix

public abstract String getInsertPrefix()

Returns the platform-specific prefix for an INSERT statement

Returns:

the prefix

getMetaData

protected SqlMetaData getMetaData(File file,
                                  SqlReader reader,
                                  String encoding)

getLineFeed

public String getLineFeed()

continueBatch

protected boolean continueBatch(String sql,
                                int count,
                                int length,
                                ConversionContext context)

A common test to determine if the current insert batch should continue adding data

Parameters:

sql - the remaining sql to process

count - the number of inserts already processed

length - the character length of the inserts already processed

context - the metadata for this conversion

Returns:

True if the current batch should be appended to, false otherwise