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Merge pull request langhsu#17 from saxingz/patch-1
Picture cleaning and recycling automatically
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| Original file line number | Diff line number | Diff line change |
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@@ -21,3 +21,4 @@ rebel.xml | |
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| *.db | ||
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| !/src/main/java/com/mtons/mblog/base/storage/ | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,30 @@ | ||
| package com.mtons.mblog.base.utils; | ||
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| import java.util.concurrent.atomic.AtomicInteger; | ||
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| /** | ||
| * id generate | ||
| * | ||
| * @author saxing 2019/4/5 9:15 | ||
| */ | ||
| public class IdUtils { | ||
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| private final static AtomicInteger resource = ResourceLock.getAtomicInteger("ID_GENERATE"); | ||
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| /** | ||
| * 生成id | ||
| * | ||
| * @return | ||
| */ | ||
| public static long getId(){ | ||
| synchronized (resource){ | ||
| try { | ||
| Thread.sleep(1); | ||
| } catch (InterruptedException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| return System.currentTimeMillis(); | ||
| } | ||
| } | ||
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| } |
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40 changes: 40 additions & 0 deletions
40
src/main/java/com/mtons/mblog/base/utils/ResourceLock.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,40 @@ | ||
| package com.mtons.mblog.base.utils; | ||
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| import java.util.concurrent.*; | ||
| import java.util.concurrent.atomic.AtomicInteger; | ||
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| /** | ||
| * resource lock | ||
| * | ||
| * @author saxing 2019/4/3 16:20 | ||
| */ | ||
| public class ResourceLock { | ||
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| private static final ConcurrentHashMap<String, AtomicInteger> lockMap = new ConcurrentHashMap<String, AtomicInteger>(); | ||
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| public static AtomicInteger getAtomicInteger(String key) { | ||
| if (lockMap.get(key) == null) { | ||
| lockMap.putIfAbsent(key, new AtomicInteger(0)); | ||
| } | ||
| int count = lockMap.get(key).incrementAndGet(); | ||
| return lockMap.get(key); | ||
| } | ||
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| public static void giveUpAtomicInteger(String key) { | ||
| if (lockMap.get(key) != null) { | ||
| int source = lockMap.get(key).decrementAndGet(); | ||
| if (source <= 0) { | ||
| lockMap.remove(key); | ||
| } | ||
| } | ||
| } | ||
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| public static String getPostKey(Long postId){ | ||
| return "POST_OPERATE_{postId}".replace("{postId}", String.valueOf(postId)); | ||
| } | ||
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| public static String getPicKey(Long picId){ | ||
| return "PIC_OPERATE_{pic}".replace("{pic}", String.valueOf(picId)); | ||
| } | ||
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| } |
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| @@ -0,0 +1,84 @@ | ||
| package com.mtons.mblog.modules.entity; | ||
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| import javax.persistence.*; | ||
| import java.io.Serializable; | ||
| import java.time.LocalDateTime; | ||
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| /** | ||
| * 图片 | ||
| * | ||
| * @author saxing 2019/4/3 21:24 | ||
| */ | ||
| @Entity | ||
| @Table(name = "mto_pic", | ||
| uniqueConstraints = {@UniqueConstraint(name = "md5key", columnNames = {"md5"})} | ||
| ) | ||
| public class Pic implements Serializable { | ||
| private static final long serialVersionUID = -2263990565349962964L; | ||
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| @Id | ||
| private long id; | ||
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| @Column(name = "md5", columnDefinition = "varchar(50) NOT NULL DEFAULT ''") | ||
| private String md5; | ||
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| @Column(name = "path", columnDefinition = "varchar(255) NOT NULL DEFAULT ''") | ||
| private String path; | ||
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| @Column(name = "amount", columnDefinition = "bigint(20) NOT NULL DEFAULT '0'") | ||
| private long amount; | ||
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| @Column(name = "create_time") | ||
| private LocalDateTime createTime; | ||
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| @Column(name = "update_time") | ||
| private LocalDateTime updateTime; | ||
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| public long getId() { | ||
| return id; | ||
| } | ||
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| public void setId(long id) { | ||
| this.id = id; | ||
| } | ||
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| public String getMd5() { | ||
| return md5; | ||
| } | ||
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| public void setMd5(String md5) { | ||
| this.md5 = md5; | ||
| } | ||
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| public String getPath() { | ||
| return path; | ||
| } | ||
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| public void setPath(String path) { | ||
| this.path = path; | ||
| } | ||
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| public long getAmount() { | ||
| return amount; | ||
| } | ||
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| public void setAmount(long amount) { | ||
| this.amount = amount; | ||
| } | ||
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| public LocalDateTime getCreateTime() { | ||
| return createTime; | ||
| } | ||
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| public void setCreateTime(LocalDateTime createTime) { | ||
| this.createTime = createTime; | ||
| } | ||
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| public LocalDateTime getUpdateTime() { | ||
| return updateTime; | ||
| } | ||
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| public void setUpdateTime(LocalDateTime updateTime) { | ||
| this.updateTime = updateTime; | ||
| } | ||
| } |
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