@Override
public void convertImpl() throws CannotCompileException, NotFoundException, IOException {
CtClass ctClass = getCtClass();
ClassPool pool = getClassPool();
CtClass jobInfoIf = pool.get(MapReduceTaskAccessor.class.getName());
ctClass.addInterface(jobInfoIf);
CtField mapReduceJobId = CtField.make("java.lang.String mapReduceJobId_;", ctClass);
ctClass.addField(mapReduceJobId);
CtField mapReduceTaskIdMap =
CtField.make(
"java.util.Map mapReduceTaskIdMap_ = "
+ "new "
+ ConcurrentHashMap.class.getName()
+ "();",
ctClass);
ctClass.addField(mapReduceTaskIdMap);
CtMethod getJobId =
CtNewMethod.make("public String getJobId() {return mapReduceJobId_;}", ctClass);
ctClass.addMethod(getJobId);
CtMethod setJobId =
CtNewMethod.make("public void setJobId(String jobId){mapReduceJobId_ = jobId;}", ctClass);
ctClass.addMethod(setJobId);
CtMethod getMapperName =
CtNewMethod.make(
"public String getMapperName(){" + "return mapper.getClass().getName();}", ctClass);
ctClass.addMethod(getMapperName);
CtMethod putTaskId =
CtNewMethod.make(
"public void putTaskId(String address, String taskId){"
+ "mapReduceTaskIdMap_.put(address, taskId);}",
ctClass);
ctClass.addMethod(putTaskId);
CtMethod getSizeOfTaskIdMap =
CtNewMethod.make(
"public int getSizeOfTaskIdMap(){" + "return mapReduceTaskIdMap_.size();}", ctClass);
ctClass.addMethod(getSizeOfTaskIdMap);
List<CtBehavior> behaviorList = getMatcheDeclaredBehavior();
for (CtBehavior ctBehavior : behaviorList) {
convertMethod(ctBehavior);
}
setNewClassfileBuffer(ctClass.toBytecode());
}
/**
* Statementのメソッドに対して計測コードを埋め込む。
*
* @param pool Statementを含むプール。
* @param ctClass Statementを実装するクラス
* @return 変換結果
*/
public static CtClass convertConnection(final ClassPool pool, final CtClass ctClass) {
CtClass jvnConnction;
try {
jvnConnction = pool.get(JdbcJavelinConnection.class.getCanonicalName());
boolean hasInterface = hasInterface(ctClass, jvnConnction);
if (hasInterface == false) {
ctClass.addInterface(jvnConnction);
}
// すでにメソッドを追加している場合は処理を行わない
if (hasBehavior(ctClass, "getJdbcJavelinProcessor")) {
return ctClass;
}
CtField procField =
CtField.make(
"private " + DBProcessor.class.getCanonicalName() + " dbProcessor_;", ctClass);
ctClass.addField(procField);
CtMethod procGetMethod =
CtMethod.make(
"public "
+ DBProcessor.class.getCanonicalName()
+ " getJdbcJavelinProcessor(){ return dbProcessor_; }",
ctClass);
ctClass.addMethod(procGetMethod);
CtMethod procSetMethod =
CtMethod.make(
"public void setJdbcJavelinProcessor("
+ DBProcessor.class.getCanonicalName()
+ " dbProcessor){ dbProcessor_ = dbProcessor; }",
ctClass);
ctClass.addMethod(procSetMethod);
CtField urlField = CtField.make("private String jdbcUrl_;", ctClass);
ctClass.addField(urlField);
CtMethod urlMethod = CtMethod.make("public String getJdbcUrl(){ return jdbcUrl_; }", ctClass);
ctClass.addMethod(urlMethod);
CtMethod urlSetMethod =
CtMethod.make(
"public void " + "setJdbcUrl(String jdbcUrl)" + "{ jdbcUrl_ = jdbcUrl; }", ctClass);
ctClass.addMethod(urlSetMethod);
} catch (NotFoundException ex) {
SystemLogger.getInstance().warn(ex);
return null;
} catch (CannotCompileException ex) {
SystemLogger.getInstance().warn(ex);
return null;
}
CtBehavior[] behaviors = ctClass.getDeclaredBehaviors();
for (int index = 0; index < behaviors.length; index++) {
CtBehavior method = behaviors[index];
// メソッドの定義がない場合、あるいはpublicでない
// (->インターフェースに定義されていない)場合は実行しない。
final int MODIFIER = method.getModifiers();
if (Modifier.isAbstract(MODIFIER) || !Modifier.isPublic(MODIFIER)) {
continue;
}
// BCI対象クラス「java.sql.Connection」に対して、コード転換を行う
String methodName = method.getName();
try {
if ("prepareStatement".equals(methodName)) {
addSqlToFieldCon(ctClass, method);
} else if ("prepareCall".equals(methodName)) {
addSqlToFieldCon(ctClass, method);
}
} catch (CannotCompileException ex) {
SystemLogger.getInstance().warn(ex);
}
}
try {
return ctClass;
} catch (Exception ex) {
SystemLogger.getInstance().warn(ex);
return null;
}
}