org.jooq.impl.Val Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* 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.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq.impl;
import static org.jooq.conf.ParamType.NAMED;
import static org.jooq.conf.ParamType.NAMED_OR_INLINED;
import java.sql.SQLException;
import org.jooq.Context;
import org.jooq.DataType;
import org.jooq.RenderContext;
import org.jooq.conf.ParamType;
import org.jooq.exception.DataAccessException;
import org.jooq.tools.StringUtils;
/**
* @author Lukas Eder
*/
class Val extends AbstractParam {
private static final long serialVersionUID = 6807729087019209084L;
Val(T value, DataType type) {
super(value, type);
}
Val(T value, DataType type, String paramName) {
super(value, type, paramName);
}
// ------------------------------------------------------------------------
// XXX: Field API
// ------------------------------------------------------------------------
@Override
public void accept(Context ctx) {
if (ctx instanceof RenderContext) {
ParamType paramType = ctx.paramType();
if (isInline(ctx))
ctx.paramType(ParamType.INLINED);
try {
getBinding().sql(new DefaultBindingSQLContext(ctx.configuration(), (RenderContext) ctx, value, getBindVariable(ctx)));
}
catch (SQLException e) {
throw new DataAccessException("Error while generating SQL for Binding", e);
}
ctx.paramType(paramType);
}
else {
// [#1302] Bind value only if it was not explicitly forced to be inlined
if (!isInline(ctx)) {
ctx.bindValue(value, this);
}
}
}
/**
* Get a bind variable, depending on value of
* {@link RenderContext#namedParams()}
*/
final String getBindVariable(Context ctx) {
if (ctx.paramType() == NAMED || ctx.paramType() == NAMED_OR_INLINED) {
int index = ctx.nextIndex();
if (StringUtils.isBlank(getParamName())) {
return ":" + index;
}
else {
return ":" + getParamName();
}
}
else {
return "?";
}
}
}