package io.ebeaninternal.dbmigration.ddlgeneration;

import io.ebeaninternal.dbmigration.model.MConfiguration;

import java.io.IOException;

Buffer to append generated DDL to.
/** * Buffer to append generated DDL to. */
public interface DdlBuffer {
Return the configuration (default tablespaces etc).
/** * Return the configuration (default tablespaces etc). */
MConfiguration getConfiguration();
Return true if the buffer is empty.
/** * Return true if the buffer is empty. */
boolean isEmpty();
Append a statement allowing for null or empty statements.
/** * Append a statement allowing for null or empty statements. */
DdlBuffer appendStatement(String content) throws IOException;
Append DDL content to the buffer.
/** * Append DDL content to the buffer. */
DdlBuffer append(String content) throws IOException;
Append DDL content to the buffer with space padding.
/** * Append DDL content to the buffer with space padding. */
DdlBuffer append(String type, int space) throws IOException;
Append a value that is potentially null or empty and proceed it with a space if so.
/** * Append a value that is potentially null or empty and proceed it with a space if so. */
DdlBuffer appendWithSpace(String foreignKeyRestrict) throws IOException;
Append new line character to the buffer.
/** * Append new line character to the buffer. */
DdlBuffer newLine() throws IOException;
Append the end of statement content.
/** * Append the end of statement content. */
DdlBuffer endOfStatement() throws IOException;
End of a change - add some whitespace.
/** * End of a change - add some whitespace. */
DdlBuffer end() throws IOException;
Return the buffer content.
/** * Return the buffer content. */
String getBuffer(); }