/*
* Copyright 2016 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.TraceSQL;
import scouter.org.objectweb.asm.Label;
import scouter.org.objectweb.asm.MethodVisitor;
import scouter.org.objectweb.asm.Opcodes;
public class RsNextMV extends MethodVisitor implements Opcodes {
private static final String TRACESQL = TraceSQL.class.getName().replace('.', '/');
private static final String METHOD = "addRow";
private static final String SIGNATURE = "()V";
public RsNextMV(String owner, MethodVisitor mv) {
super(ASM4, mv);
this.owner = owner;
}
private String owner;
@Override
public void visitInsn(int opcode) {
if ((opcode >= IRETURN && opcode <= RETURN)) {
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(GETFIELD, owner, TraceSQL.CURRENT_TRACESQL_FIELD, "Lscouter/agent/batch/trace/TraceSQL;");
Label dump = new Label();
mv.visitJumpInsn(IFNULL, dump);
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(GETFIELD, owner, TraceSQL.CURRENT_TRACESQL_FIELD, "Lscouter/agent/batch/trace/TraceSQL;");
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TRACESQL, METHOD, SIGNATURE,false);
mv.visitLabel(dump);
}
mv.visitInsn(opcode);
}
@Override
public void visitMaxs(int maxStack, int maxLocals) {
mv.visitMaxs(maxStack + 4, maxLocals + 2);
}
}