package project.redis.clients.jedis;
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import redis.clients.jedis.Builder;
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import redis.clients.jedis.exceptions.JedisDataException;
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public class Response<T> {
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protected T response = null;
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private boolean built = false;
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private boolean set = false;
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private Builder<T> builder;
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private Object data;
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public Response(Builder<T> b) {
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this.builder = b;
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}
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public void set(Object data) {
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this.data = data;
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set = true;
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}
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public T get() {
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if (!set) {
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throw new JedisDataException(
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"Please close pipeline or multi block before calling this method.");
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}
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if (!built) {
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// 数据为空是直接返回null，避免 builder.build(data)产生空指针异常
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if(data == null) {
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return null;
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}
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response = builder.build(data);
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this.data = null;
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built = true;
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}
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return response;
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}
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public String toString() {
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return "Response " + builder.toString();
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}
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}
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