com.devicehive.shim.api.Request.java Source code

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Here is the source code for com.devicehive.shim.api.Request.java

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package com.devicehive.shim.api;

/*
 * #%L
 * DeviceHive Shim  API Interfaces
 * %%
 * Copyright (C) 2016 DataArt
 * %%
 * 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.
 * #L%
 */

import org.apache.commons.lang3.StringUtils;

import java.util.Objects;
import java.util.UUID;

import static com.devicehive.shim.api.RequestType.clientRequest;

public class Request {

    private Body body;

    private String correlationId;

    private String partitionKey;

    private boolean singleReplyExpected;

    private String replyTo;

    private String type;

    private Request(Body body, boolean singleReplyExpected, String correlationId, String partitionKey) {
        this.body = body;
        this.singleReplyExpected = singleReplyExpected;
        this.correlationId = correlationId;
        this.partitionKey = partitionKey;
        this.type = clientRequest.name();
    }

    public Body getBody() {
        return body;
    }

    public String getReplyTo() {
        return replyTo;
    }

    public void setReplyTo(String replyTo) {
        this.replyTo = replyTo;
    }

    public String getCorrelationId() {
        return correlationId;
    }

    public boolean isSingleReplyExpected() {
        return singleReplyExpected;
    }

    public String getPartitionKey() {
        return partitionKey;
    }

    public void setType(RequestType type) {
        this.type = type.name();
    }

    public RequestType getType() {
        return RequestType.valueOf(type);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (!(o instanceof Request))
            return false;
        Request request = (Request) o;
        return singleReplyExpected == request.singleReplyExpected && Objects.equals(body, request.body)
                && Objects.equals(correlationId, request.correlationId)
                && Objects.equals(partitionKey, request.partitionKey) && Objects.equals(replyTo, request.replyTo);
    }

    @Override
    public int hashCode() {
        return Objects.hash(body, correlationId, singleReplyExpected, replyTo);
    }

    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder("Request{");
        sb.append(", body=").append(body);
        sb.append(", correlationId='").append(correlationId).append('\'');
        sb.append(", singleReplyExpected=").append(singleReplyExpected);
        sb.append(", partitionKey=").append(partitionKey);
        sb.append(", replyTo='").append(replyTo).append('\'');
        sb.append('}');
        return sb.toString();
    }

    public static <T extends Body> Builder<T> newBuilder() {
        return new Builder<>();
    }

    public static class Builder<T extends Body> {
        private T body;
        private String correlationId = UUID.randomUUID().toString();
        private boolean singleReply = true;
        private String partitionKey;

        public Builder<T> withBody(T body) {
            this.body = body;
            return this;
        }

        public Builder<T> withSingleReply(boolean singleReply) {
            this.singleReply = singleReply;
            return this;
        }

        public Builder<T> withPartitionKey(String key) {
            this.partitionKey = key;
            return this;
        }

        public Request build() {
            return new Request(body, singleReply, correlationId, StringUtils.isBlank(partitionKey) // partitionKey is optional, set value to correlationId if it's blank
                    ? correlationId
                    : partitionKey);
        }

    }

}