add AbsCollMap

This commit is contained in:
Looly 2021-07-06 01:37:10 +08:00
parent 862756e48f
commit 38589c064b
5 changed files with 176 additions and 65 deletions

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@ -3,13 +3,14 @@
-------------------------------------------------------------------------------------------------------------
# 5.7.4 (2021-07-02)
# 5.7.4 (2021-07-06)
### 🐣新特性
* 【crypto 】 SmUtil.sm4统一返回类型issue#I3YKD4@Gitee
* 【core 】 修改MapUtil.get传入null返回默认值而非nullissue#I3YKBC@Gitee
* 【core 】 HexUtil增加hexToLong、hexToIntissue#I3YQEV@Gitee
* 【core 】 CsvWriter增加writer.write(csvData)的方法重载pr#353@Gitee
* 【core 】 CsvWriter增加writer.write(csvData)的方法重载pr#353@Gitee
* 【core 】 新增AbsCollValueMapissue#I3YXF0@Gitee
### 🐞Bug修复
* 【core 】 修复RadixUtil.decode非static问题issue#I3YPEH@Gitee

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@ -0,0 +1,127 @@
package cn.hutool.core.map.multi;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.map.MapWrapper;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
/**
* 值作为集合的Map实现通过调用putValue可以在相同key时加入多个值多个值用集合表示
*
* @param <K> 键类型
* @param <V> 值类型
* @param <C> 集合类型
* @author looly
* @since 5.7.4
*/
public abstract class AbsCollValueMap<K, V, C extends Collection<V>> extends MapWrapper<K, C> {
private static final long serialVersionUID = 1L;
/**
* 默认集合初始大小
*/
protected static final int DEFAULT_COLLCTION_INITIAL_CAPACITY = 3;
// ------------------------------------------------------------------------- Constructor start
/**
* 构造
*/
public AbsCollValueMap() {
this(DEFAULT_INITIAL_CAPACITY);
}
/**
* 构造
*
* @param initialCapacity 初始大小
*/
public AbsCollValueMap(int initialCapacity) {
this(initialCapacity, DEFAULT_LOAD_FACTOR);
}
/**
* 构造
*
* @param m Map
*/
public AbsCollValueMap(Map<? extends K, C> m) {
this(DEFAULT_LOAD_FACTOR, m);
}
/**
* 构造
*
* @param loadFactor 加载因子
* @param m Map
*/
public AbsCollValueMap(float loadFactor, Map<? extends K, C> m) {
this(m.size(), loadFactor);
this.putAll(m);
}
/**
* 构造
*
* @param initialCapacity 初始大小
* @param loadFactor 加载因子
*/
public AbsCollValueMap(int initialCapacity, float loadFactor) {
super(new HashMap<>(initialCapacity, loadFactor));
}
// ------------------------------------------------------------------------- Constructor end
/**
* 放入所有value
*
* @param m valueMap
* @since 5.7.4
*/
public void putAllValues(Map<? extends K, ? extends Collection<V>> m) {
if(null != m){
m.forEach((key, valueColl) -> {
if(null != valueColl){
valueColl.forEach((value) -> putValue(key, value));
}
});
}
}
/**
* 放入Value<br>
* 如果键对应值列表有值加入否则创建一个新列表后加入
*
* @param key
* @param value
*/
public void putValue(K key, V value) {
C collection = this.get(key);
if (null == collection) {
collection = createCollection();
this.put(key, collection);
}
collection.add(value);
}
/**
* 获取值
*
* @param key
* @param index 第几个值的索引越界返回null
* @return 值或null
*/
public V get(K key, int index) {
final Collection<V> collection = get(key);
return CollUtil.get(collection, index);
}
/**
* 创建集合<br>
* 此方法用于创建在putValue后追加值所在的集合子类实现此方法创建不同类型的集合
*
* @return {@link Collection}
*/
protected abstract C createCollection();
}

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@ -1,29 +1,28 @@
package cn.hutool.core.map.multi;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.map.MapWrapper;
import cn.hutool.core.lang.func.Func0;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
/**
* 值作为集合的Map实现通过调用putValue可以在相同key时加入多个值多个值用集合表示
*
* @author looly
* 值作为集合的Map实现通过调用putValue可以在相同key时加入多个值多个值用集合表示<br>
* 此类可以通过传入函数自定义集合类型的创建规则
*
* @param <K> 键类型
* @param <V> 值类型
* @author looly
* @since 4.3.3
*/
public abstract class CollectionValueMap<K, V> extends MapWrapper<K, Collection<V>> {
public class CollectionValueMap<K, V> extends AbsCollValueMap<K, V, Collection<V>> {
private static final long serialVersionUID = 9012989578038102983L;
/** 默认集合初始大小 */
protected static final int DEFAULT_COLLCTION_INITIAL_CAPACITY = 3;
private final Func0<Collection<V>> collectionCreateFunc;
// ------------------------------------------------------------------------- Constructor start
/**
* 构造
*/
@ -53,57 +52,51 @@ public abstract class CollectionValueMap<K, V> extends MapWrapper<K, Collection<
* 构造
*
* @param loadFactor 加载因子
* @param m Map
* @param m Map
*/
public CollectionValueMap(float loadFactor, Map<? extends K, ? extends Collection<V>> m) {
this(m.size(), loadFactor);
this.putAll(m);
this(loadFactor, m, ArrayList::new);
}
/**
* 构造
*
* @param initialCapacity 初始大小
* @param loadFactor 加载因子
* @param loadFactor 加载因子
*/
public CollectionValueMap(int initialCapacity, float loadFactor) {
this(initialCapacity, loadFactor, ArrayList::new);
}
/**
* 构造
*
* @param loadFactor 加载因子
* @param m Map
* @param collectionCreateFunc Map中值的集合创建函数
* @since 5.7.4
*/
public CollectionValueMap(float loadFactor, Map<? extends K, ? extends Collection<V>> m, Func0<Collection<V>> collectionCreateFunc) {
this(m.size(), loadFactor, collectionCreateFunc);
this.putAll(m);
}
/**
* 构造
*
* @param initialCapacity 初始大小
* @param loadFactor 加载因子
* @param collectionCreateFunc Map中值的集合创建函数
* @since 5.7.4
*/
public CollectionValueMap(int initialCapacity, float loadFactor, Func0<Collection<V>> collectionCreateFunc) {
super(new HashMap<>(initialCapacity, loadFactor));
this.collectionCreateFunc = collectionCreateFunc;
}
// ------------------------------------------------------------------------- Constructor end
/**
* 放入Value<br>
* 如果键对应值列表有值加入否则创建一个新列表后加入
*
* @param key
* @param value
*/
public void putValue(K key, V value) {
Collection<V> collection = this.get(key);
if (null == collection) {
collection = createCollection();
this.put(key, collection);
}
collection.add(value);
@Override
protected Collection<V> createCollection() {
return collectionCreateFunc.callWithRuntimeException();
}
/**
* 获取值
*
* @param key
* @param index 第几个值的索引越界返回null
* @return 值或null
*/
public V get(K key, int index) {
final Collection<V> collection = get(key);
return CollUtil.get(collection, index);
}
/**
* 创建集合<br>
* 此方法用于创建在putValue后追加值所在的集合子类实现此方法创建不同类型的集合
*
* @return {@link Collection}
*/
protected abstract Collection<V> createCollection();
}

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@ -15,7 +15,7 @@ import java.util.Map;
* @param <V> 值类型
* @since 4.3.3
*/
public class ListValueMap<K, V> extends CollectionValueMap<K, V> {
public class ListValueMap<K, V> extends AbsCollValueMap<K, V, List<V>> {
private static final long serialVersionUID = 6044017508487827899L;
// ------------------------------------------------------------------------- Constructor start
@ -52,7 +52,7 @@ public class ListValueMap<K, V> extends CollectionValueMap<K, V> {
*/
public ListValueMap(float loadFactor, Map<? extends K, ? extends Collection<V>> m) {
this(m.size(), loadFactor);
this.putAll(m);
this.putAllValues(m);
}
/**
@ -67,12 +67,7 @@ public class ListValueMap<K, V> extends CollectionValueMap<K, V> {
// ------------------------------------------------------------------------- Constructor end
@Override
public List<V> get(Object key) {
return (List<V>) super.get(key);
}
@Override
protected Collection<V> createCollection() {
protected List<V> createCollection() {
return new ArrayList<>(DEFAULT_COLLCTION_INITIAL_CAPACITY);
}
}

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@ -15,7 +15,7 @@ import java.util.Set;
* @param <V> 值类型
* @since 4.3.3
*/
public class SetValueMap<K, V> extends CollectionValueMap<K, V> {
public class SetValueMap<K, V> extends AbsCollValueMap<K, V, Set<V>> {
private static final long serialVersionUID = 6044017508487827899L;
// ------------------------------------------------------------------------- Constructor start
@ -52,7 +52,7 @@ public class SetValueMap<K, V> extends CollectionValueMap<K, V> {
*/
public SetValueMap(float loadFactor, Map<? extends K, ? extends Collection<V>> m) {
this(m.size(), loadFactor);
this.putAll(m);
this.putAllValues(m);
}
/**
@ -67,12 +67,7 @@ public class SetValueMap<K, V> extends CollectionValueMap<K, V> {
// ------------------------------------------------------------------------- Constructor end
@Override
public Set<V> get(Object key) {
return (Set<V>) super.get(key);
}
@Override
protected Collection<V> createCollection() {
protected Set<V> createCollection() {
return new LinkedHashSet<>(DEFAULT_COLLCTION_INITIAL_CAPACITY);
}
}