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Service for Java SDK that can be used to achieve redundancy.

There is a newer version: 4.19.220

/*
 * Copyright 2013-2018 Guardtime, Inc.
 *
 *  This file is part of the Guardtime client SDK.
 *
 *  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, CONDITIONS, OR OTHER LICENSES OF ANY KIND, either
 *  express or implied. See the License for the specific language governing
 *  permissions and limitations under the License.
 *  "Guardtime" and "KSI" are trademarks or registered trademarks of
 *  Guardtime, Inc., and no license to trademarks is granted; Guardtime
 *  reserves and retains all trademark rights.
 *
 */
package com.guardtime.ksi.service.ha;

import com.guardtime.ksi.exceptions.KSIException;
import com.guardtime.ksi.service.Future;
import com.guardtime.ksi.service.client.KSIClientException;

class ServiceCallFuture implements Future {

    private final java.util.concurrent.Future serviceCallFuture;
    private T result;

    ServiceCallFuture(java.util.concurrent.Future serviceCallFuture) {
        this.serviceCallFuture = serviceCallFuture;
    }

    public T getResult() throws KSIException {
        if (result == null) {
            try {
                this.result = serviceCallFuture.get();
            } catch (Exception e) {
                throw new KSIClientException("All subclients of HAService failed", e);
            }
        }
        return result;
    }

    public boolean isFinished() {
        return result != null;
    }
}