/*
* Copyright 2015 Scouter Project.
*
* 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 scouter.agent.batch.asm.jdbc;
import scouter.agent.batch.trace.TraceContextManager;
import scouter.agent.batch.trace.TraceSQL;
import scouter.org.objectweb.asm.MethodVisitor;
import scouter.org.objectweb.asm.Opcodes;
import scouter.org.objectweb.asm.commons.LocalVariablesSorter;
/**
* BCI for a constructor of Resultset
* @author Gun Lee (gunlee01@gmail.com)
*/
public class RsInitMV extends LocalVariablesSorter implements Opcodes {
private final static String TRACECONTEXTMANAGER = TraceContextManager.class.getName().replace('.', '/');
private final static String METHOD = "getCurrentTraceSQL";
private final static String SIGNATURE = "()Lscouter/agent/batch/trace/TraceSQL;";
public RsInitMV(int access, String owner, String desc, MethodVisitor mv) {
super(ASM4, access, desc, mv);
this.owner = owner;
}
private String owner;
@Override
public void visitInsn(int opcode) {
if ((opcode >= IRETURN && opcode <= RETURN)) {
mv.visitVarInsn(ALOAD, 0);
mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACECONTEXTMANAGER, METHOD, SIGNATURE, false);
mv.visitFieldInsn(PUTFIELD, owner, TraceSQL.CURRENT_TRACESQL_FIELD, "Lscouter/agent/batch/trace/TraceSQL;");
}
mv.visitInsn(opcode);
}
}