com.aliyun.tair.tairstring.params.ExsetParams Maven / Gradle / Ivy

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package com.aliyun.tair.tairstring.params;

import redis.clients.jedis.params.Params;
import redis.clients.jedis.util.SafeEncoder;

import java.util.ArrayList;

public class ExsetParams extends Params {

    private static final String XX = "xx";
    private static final String NX = "nx";

    private static final String PX = "px";
    private static final String EX = "ex";
    private static final String EXAT = "exat";
    private static final String PXAT = "pxat";

    private static final String VER = "ver";
    private static final String ABS = "abs";

    private static final String MIN = "min";
    private static final String MAX = "max";

    private static final String FLAGS = "flags";

    /**
     * MEMCACHED: flags
     */
    public ExsetParams flags(int flags) {
        addParam(FLAGS, flags);
        return this;
    }

    /**
     * Only set the key if it already exist.
     * @return SetParams
     */
    public ExsetParams xx() {
        addParam(XX);
        return this;
    }

    /**
     * Only set the key if it does not already exist.
     * @return SetParams
     */
    public ExsetParams nx() {
        addParam(NX);
        return this;
    }

    /**
     * Set the specified expire time, in seconds.
     * @param secondsToExpire
     * @return SetParams
     */
    public ExsetParams ex(int secondsToExpire) {
        addParam(EX, secondsToExpire);
        return this;
    }

    /**
     * Set the specified expire time, in milliseconds.
     * @param millisecondsToExpire
     * @return SetParams
     */
    public ExsetParams px(long millisecondsToExpire) {
        addParam(PX, millisecondsToExpire);
        return this;
    }

    /**
     * Set the specified absolute expire time, in seconds.
     * @param secondsToExpire
     * @return SetParams
     */
    public ExsetParams exat(int secondsToExpire) {
        addParam(EXAT, secondsToExpire);
        return this;
    }

    /**
     * Set the specified absolute expire time, in milliseconds.
     * @param millisecondsToExpire
     * @return SetParams
     */
    public ExsetParams pxat(long millisecondsToExpire) {
        addParam(PXAT, millisecondsToExpire);
        return this;
    }

    /**
     * Set if version equal or not exist
     * @param version
     * @return SetParams
     */
    public ExsetParams ver(long version) {
        addParam(VER, version);
        return this;
    }

    /**
     * Set version to absoluteVersion
     * @param absoluteVersion
     * @return SetParams
     */
    public ExsetParams abs(long absoluteVersion) {
        addParam(ABS, absoluteVersion);
        return this;
    }

    private void addParamWithValue(ArrayList byteParams, String option) {
        if (contains(option)) {
            byteParams.add(SafeEncoder.encode(option));
            byteParams.add(SafeEncoder.encode(String.valueOf((Object)getParam(option))));
        }
    }

    public byte[][] getByteParams(String... args) {
        ArrayList byteParams = new ArrayList();
        for (String arg : args) {
            byteParams.add(SafeEncoder.encode(arg));
        }

        if (contains(XX)) {
            byteParams.add(SafeEncoder.encode(XX));
        }
        if (contains(NX)) {
            byteParams.add(SafeEncoder.encode(NX));
        }

        addParamWithValue(byteParams, EX);
        addParamWithValue(byteParams, PX);
        addParamWithValue(byteParams, EXAT);
        addParamWithValue(byteParams, PXAT);

        addParamWithValue(byteParams, VER);
        addParamWithValue(byteParams, ABS);

        addParamWithValue(byteParams, MIN);
        addParamWithValue(byteParams, MAX);

        addParamWithValue(byteParams, FLAGS);

        return byteParams.toArray(new byte[byteParams.size()][]);
    }

    public byte[][] getByteParams(byte[]... args) {
        ArrayList byteParams = new ArrayList();
        for (byte[] arg : args) {
            byteParams.add(arg);
        }

        if (contains(XX)) {
            byteParams.add(SafeEncoder.encode(XX));
        }
        if (contains(NX)) {
            byteParams.add(SafeEncoder.encode(NX));
        }

        addParamWithValue(byteParams, EX);
        addParamWithValue(byteParams, PX);
        addParamWithValue(byteParams, EXAT);
        addParamWithValue(byteParams, PXAT);

        addParamWithValue(byteParams, VER);
        addParamWithValue(byteParams, ABS);

        addParamWithValue(byteParams, MIN);
        addParamWithValue(byteParams, MAX);

        addParamWithValue(byteParams, FLAGS);

        return byteParams.toArray(new byte[byteParams.size()][]);
    }
}