/**
* Copyright 2006-2016 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.mybatis.generator.codegen.mybatis3.javamapper.elements.sqlprovider;
import static org.mybatis.generator.internal.util.JavaBeansUtil.getGetterMethodName;
import static org.mybatis.generator.internal.util.StringUtility.escapeStringForJava;
import static org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities.getAliasedEscapedColumnName;
import static org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities.getParameterClause;
import java.util.Set;
import java.util.TreeSet;
import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
import org.mybatis.generator.api.dom.java.JavaVisibility;
import org.mybatis.generator.api.dom.java.Method;
import org.mybatis.generator.api.dom.java.Parameter;
import org.mybatis.generator.api.dom.java.TopLevelClass;
import org.mybatis.generator.codegen.mybatis3.ListUtilities;
/**
*
* @author Jeff Butler
*
*/
public class ProviderUpdateByExampleSelectiveMethodGenerator extends
AbstractJavaProviderMethodGenerator {
public ProviderUpdateByExampleSelectiveMethodGenerator(boolean useLegacyBuilder) {
super(useLegacyBuilder);
}
@Override
public void addClassElements(TopLevelClass topLevelClass) {
Set<String> staticImports = new TreeSet<String>();
Set<FullyQualifiedJavaType> importedTypes = new TreeSet<FullyQualifiedJavaType>();
if (useLegacyBuilder) {
staticImports.add("org.apache.ibatis.jdbc.SqlBuilder.BEGIN"); //$NON-NLS-1$
staticImports.add("org.apache.ibatis.jdbc.SqlBuilder.UPDATE"); //$NON-NLS-1$
staticImports.add("org.apache.ibatis.jdbc.SqlBuilder.SET"); //$NON-NLS-1$
staticImports.add("org.apache.ibatis.jdbc.SqlBuilder.SQL"); //$NON-NLS-1$
} else {
importedTypes.add(NEW_BUILDER_IMPORT);
}
importedTypes.add(new FullyQualifiedJavaType("java.util.Map")); //$NON-NLS-1$
Method method = new Method(introspectedTable.getUpdateByExampleSelectiveStatementId());
method.setReturnType(FullyQualifiedJavaType.getStringInstance());
method.setVisibility(JavaVisibility.PUBLIC);
method.addParameter(new Parameter(new FullyQualifiedJavaType("java.util.Map<java.lang.String, java.lang.Object>"), //$NON-NLS-1$
"parameter")); //$NON-NLS-1$
FullyQualifiedJavaType record =
introspectedTable.getRules().calculateAllFieldsClass();
importedTypes.add(record);
method.addBodyLine(String.format("%s record = (%s) parameter.get(\"record\");", //$NON-NLS-1$
record.getShortName(), record.getShortName()));
FullyQualifiedJavaType example =
new FullyQualifiedJavaType(introspectedTable.getExampleType());
importedTypes.add(example);
method.addBodyLine(String.format("%s example = (%s) parameter.get(\"example\");", //$NON-NLS-1$
example.getShortName(), example.getShortName()));
context.getCommentGenerator().addGeneralMethodComment(method,
introspectedTable);
method.addBodyLine(""); //$NON-NLS-1$
if (useLegacyBuilder) {
method.addBodyLine("BEGIN();"); //$NON-NLS-1$
} else {
method.addBodyLine("SQL sql = new SQL();"); //$NON-NLS-1$
}
method.addBodyLine(String.format("%sUPDATE(\"%s\");", //$NON-NLS-1$
builderPrefix,
escapeStringForJava(introspectedTable.getAliasedFullyQualifiedTableNameAtRuntime())));
method.addBodyLine(""); //$NON-NLS-1$
for (IntrospectedColumn introspectedColumn : ListUtilities.removeGeneratedAlwaysColumns(introspectedTable.getAllColumns())) {
if (!introspectedColumn.getFullyQualifiedJavaType().isPrimitive()) {
method.addBodyLine(String.format("if (record.%s() != null) {", //$NON-NLS-1$
getGetterMethodName(introspectedColumn.getJavaProperty(),
introspectedColumn.getFullyQualifiedJavaType())));
}
StringBuilder sb = new StringBuilder();
sb.append(getParameterClause(introspectedColumn));
sb.insert(2, "record."); //$NON-NLS-1$
method.addBodyLine(String.format("%sSET(\"%s = %s\");", //$NON-NLS-1$
builderPrefix,
escapeStringForJava(getAliasedEscapedColumnName(introspectedColumn)),
sb.toString()));
if (!introspectedColumn.getFullyQualifiedJavaType().isPrimitive()) {
method.addBodyLine("}"); //$NON-NLS-1$
}
method.addBodyLine(""); //$NON-NLS-1$
}
if (useLegacyBuilder) {
method.addBodyLine("applyWhere(example, true);"); //$NON-NLS-1$
method.addBodyLine("return SQL();"); //$NON-NLS-1$
} else {
method.addBodyLine("applyWhere(sql, example, true);"); //$NON-NLS-1$
method.addBodyLine("return sql.toString();"); //$NON-NLS-1$
}
if (context.getPlugins().providerUpdateByExampleSelectiveMethodGenerated(method, topLevelClass,
introspectedTable)) {
topLevelClass.addStaticImports(staticImports);
topLevelClass.addImportedTypes(importedTypes);
topLevelClass.addMethod(method);
}
}
}