/*
 * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. licenses this file to you 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 org.wso2.carbon.identity.application.authentication.framework.services;

import org.apache.commons.lang.StringUtils;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.wso2.carbon.core.AbstractAdmin;
import org.wso2.carbon.identity.application.authentication.framework.cache.SessionContextCache;

public class SessionManagementService extends AbstractAdmin {

    private static Log log = LogFactory.getLog(SessionManagementService.class);

    public String removeSession(String sessionId) {

        if (StringUtils.isBlank(sessionId)) {
            return "Invalid Session ID";
        }

        SessionContextCache.getInstance().clearCacheEntry(sessionId);

        return "Session Termination Successful";

    }
}

/*
 * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. licenses this file to you 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 org.wso2.carbon.identity.application.authentication.framework.services;

import org.apache.commons.lang.StringUtils;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.wso2.carbon.core.AbstractAdmin;
import org.wso2.carbon.identity.application.authentication.framework.cache.SessionContextCache;

public class SessionManagementService extends AbstractAdmin {

    private static Log log = LogFactory.getLog(SessionManagementService.class);

    public boolean removeSession(String sessionId) {

        if (StringUtils.isBlank(sessionId)) {
            return false;
        }

        SessionContextCache.getInstance().clearCacheEntry(sessionId);

        return true;

    }
}

change service method return type