SessionQueryOperationJoinPointFinalizer.java

/**
 * Copyright (c) 2009-2011 VMware, Inc. All Rights Reserved.
 *
 * 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 com.springsource.insight.plugin.eclipse.persistence;

import org.eclipse.persistence.queries.DatabaseQuery;

import com.springsource.insight.collection.method.JoinPointFinalizer;
import com.springsource.insight.intercept.operation.OperationList;
import com.springsource.insight.util.ArrayUtil;
import com.springsource.insight.util.StringFormatterUtils;

/**
 *
 */
class SessionQueryOperationJoinPointFinalizer extends JoinPointFinalizer {
    private static final SessionQueryOperationJoinPointFinalizer INSTANCE = new SessionQueryOperationJoinPointFinalizer();

    private SessionQueryOperationJoinPointFinalizer() {
        super();
    }

    @Override
    protected Object resolveArgumentListValue(OperationList argsList, int index, Object orgVal, Object argVal) {
        return resolveQueryNameFromArgument(argVal);
    }

    public static final SessionQueryOperationJoinPointFinalizer getSessionQueryOperationJoinPointFinalizer() {
        return INSTANCE;
    }

    static String resolveQueryName(Object... args) {
        if (ArrayUtil.length(args) <= 0) {
            return EclipsePersistenceDefinitions.UNKNOWN_ACTION;
        } else {
            return resolveQueryNameFromArgument(args[0]);
        }
    }

    static String resolveQueryNameFromArgument(Object arg0) {
        if (arg0 == null) {
            return StringFormatterUtils.NULL_VALUE_STRING;
        } else if (arg0 instanceof String) {
            return (String) arg0;
        } else if (arg0 instanceof DatabaseQuery) {
            return ((DatabaseQuery) arg0).getName();
        } else { // TODO consider logging a warning
            return arg0.getClass().getSimpleName();
        }
    }
}