org.restsql.core.impl

Class AbstractSqlBuilder

java.lang.Object

org.restsql.core.impl.AbstractSqlBuilder

All Implemented Interfaces:

SqlBuilder

Direct Known Subclasses:

MySqlSqlBuilder, PostgreSqlSqlBuilder

public abstract class AbstractSqlBuilder
extends Object
implements SqlBuilder

Builds SQL for an operation on a SQL Resource.

Author:

Mark Sawers

Nested Class Summary

Nested classes/interfaces inherited from interface org.restsql.core.SqlBuilder

SqlBuilder.SqlStruct

Constructor Summary

Constructors

Constructor and Description
AbstractSqlBuilder()

Method Summary

Methods

Modifier and Type	Method and Description
protected String	buildPreparedParameterSql(ColumnMetaData column) Enables override for databases like PostgreSQL that need special handling for enumerations.
protected abstract String	buildSelectLimitSql(int limit, int offset) Creates select SQL limit clause.
SqlBuilder.SqlStruct	buildSelectSql(SqlResourceMetaData metaData, String mainSql, Request request) Creates select SQL.
Map<String,SqlBuilder.SqlStruct>	buildWriteSql(SqlResourceMetaData metaData, Request request, boolean doParent) Creates update, insert or delete SQL.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractSqlBuilder

public AbstractSqlBuilder()

Method Detail

buildSelectSql

public SqlBuilder.SqlStruct buildSelectSql(SqlResourceMetaData metaData,
                                  String mainSql,
                                  Request request)
                                    throws InvalidRequestException

Creates select SQL.

Specified by:

buildSelectSql in interface SqlBuilder

Throws:

InvalidRequestException

buildWriteSql

public Map<String,SqlBuilder.SqlStruct> buildWriteSql(SqlResourceMetaData metaData,
                                             Request request,
                                             boolean doParent)
                                               throws InvalidRequestException

Creates update, insert or delete SQL.

Specified by:

buildWriteSql in interface SqlBuilder

Throws:

InvalidRequestException

buildSelectLimitSql

protected abstract String buildSelectLimitSql(int limit,
                         int offset)

Creates select SQL limit clause. Returns empty string if database does not support limit feature.

buildPreparedParameterSql

protected String buildPreparedParameterSql(ColumnMetaData column)

Enables override for databases like PostgreSQL that need special handling for enumerations.