io.shardingsphere.core.jdbc.adapter.WrapperAdapter Maven / Gradle / Ivy
/*
* Copyright 2016-2018 shardingsphere.io.
*
* 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 io.shardingsphere.core.jdbc.adapter;
import io.shardingsphere.core.exception.ShardingException;
import io.shardingsphere.core.jdbc.adapter.invocation.JdbcMethodInvocation;
import java.sql.SQLException;
import java.sql.Wrapper;
import java.util.ArrayList;
import java.util.Collection;
/**
* Adapter for {@code java.sql.Wrapper}.
*
* @author zhangliang
*/
public abstract class WrapperAdapter implements Wrapper {
private final Collection jdbcMethodInvocations = new ArrayList<>();
@SuppressWarnings("unchecked")
@Override
public final T unwrap(final Class iface) throws SQLException {
if (isWrapperFor(iface)) {
return (T) this;
}
throw new SQLException(String.format("[%s] cannot be unwrapped as [%s]", getClass().getName(), iface.getName()));
}
@Override
public final boolean isWrapperFor(final Class iface) {
return iface.isInstance(this);
}
/**
* record method invocation.
*
* @param targetClass target class
* @param methodName method name
* @param argumentTypes argument types
* @param arguments arguments
*/
public final void recordMethodInvocation(final Class targetClass, final String methodName, final Class[] argumentTypes, final Object[] arguments) {
try {
jdbcMethodInvocations.add(new JdbcMethodInvocation(targetClass.getMethod(methodName, argumentTypes), arguments));
} catch (final NoSuchMethodException ex) {
throw new ShardingException(ex);
}
}
/**
* Replay methods invocation.
*
* @param target target object
*/
public final void replayMethodsInvocation(final Object target) {
for (JdbcMethodInvocation each : jdbcMethodInvocations) {
each.invoke(target);
}
}
}