GabrieleRadice
230 lines
6.8 KiB
HTML
230 lines
6.8 KiB
HTML
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<html id="htmlId">
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<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>Coverage Report > LimitedMap</title>
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Current scope: <a href="../../index.html">all classes</a>
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<span class="separator">|</span>
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<a href="../index.html">it.polimi.ingsw.gc14</a>
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</div>
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<h1>Coverage Summary for Class: LimitedMap (it.polimi.ingsw.gc14)</h1>
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<table class="coverageStats">
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<tr>
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<th class="name">Class</th>
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<th class="coverageStat
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">
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Class, %
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</th>
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<th class="coverageStat
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">
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Method, %
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</th>
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<th class="coverageStat
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">
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Branch, %
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</th>
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<th class="coverageStat
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">
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Line, %
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</th>
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</tr>
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<tr>
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<td class="name">LimitedMap</td>
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<td class="coverageStat">
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<span class="percent">
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0%
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</span>
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<span class="absValue">
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(0/1)
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</span>
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</td>
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<td class="coverageStat">
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<span class="percent">
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0%
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</span>
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<span class="absValue">
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(0/15)
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</span>
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</td>
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<td class="coverageStat">
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<span class="percent">
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0%
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</span>
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<span class="absValue">
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(0/10)
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</span>
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</td>
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<td class="coverageStat">
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<span class="percent">
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0%
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</span>
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<span class="absValue">
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(0/27)
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</span>
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</td>
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</tr>
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</table>
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<br/>
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<br/>
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<pre>
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<code class="sourceCode" id="sourceCode"> package it.polimi.ingsw.gc14;
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import java.util.Collection;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.ConcurrentHashMap;
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/**
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* A {@link ConcurrentHashMap}-backed map with a configurable size limit and an associated action.
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* When the number of elements reaches or exceeds the limit, the specified action is automatically triggered.
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* This implementation is thread-safe for {@code put}; callers that need compound operations must synchronize externally.
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*
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* @param <K> the type of keys maintained by this map.
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* @param <V> the type of mapped values.
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*/
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public class LimitedMap<K, V> implements Map<K, V> {
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/** The underlying thread-safe hash map storing all key-value pairs. */
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<b class="nc"> private final ConcurrentHashMap<K, V> map = new ConcurrentHashMap<>();</b>
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/**
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* The maximum number of elements allowed in the map before the action is triggered.
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*/
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private volatile int limit;
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/**
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* The action to execute when the map size reaches or exceeds the limit.
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*/
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private volatile Runnable action;
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/**
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* Creates a new {@code LimitedMap} with the specified limit and action.
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*
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* @param limit the maximum number of elements before the action is triggered.
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* @param action the action to execute when the limit is reached.
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*/
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<b class="nc"> public LimitedMap(int limit, Runnable action) {</b>
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<b class="nc"> this.limit = limit;</b>
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<b class="nc"> this.action = action;</b>
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}
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/**
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* Associates the specified value with the specified key in this map.
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* If the map size reaches or exceeds the limit after the insertion, the configured action is triggered.
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*
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* @param key the key with which the specified value is to be associated.
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* @param value the value to be associated with the specified key.
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* @return the previous value associated with the key, or {@code null} if there was no mapping.
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*/
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@Override
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public synchronized V put(K key, V value) {
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<b class="nc"> boolean added = true;</b>
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<b class="nc"> if (map.size() == limit) {</b>
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<b class="nc"> if (!map.containsKey(key))</b>
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<b class="nc"> return null;</b>
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<b class="nc"> added = false;</b>
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}
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<b class="nc"> V result = map.put(key, value);</b>
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<b class="nc"> if (map.size() >= limit && added) {</b>
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<b class="nc"> action.run();</b>
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}
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<b class="nc"> return result;</b>
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}
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@Override
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<b class="nc"> public synchronized V remove(Object key) { return map.remove(key); }</b>
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@Override
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<b class="nc"> public V get(Object key) { return map.get(key); }</b>
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@Override
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<b class="nc"> public boolean containsKey(Object key) { return map.containsKey(key); }</b>
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@Override
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<b class="nc"> public boolean containsValue(Object value) { return map.containsValue(value); }</b>
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@Override
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<b class="nc"> public int size() { return map.size(); }</b>
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@Override
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<b class="nc"> public boolean isEmpty() { return map.isEmpty(); }</b>
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@Override
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<b class="nc"> public void putAll(Map<? extends K, ? extends V> m) { m.forEach(this::put); }</b>
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@Override
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<b class="nc"> public void clear() { map.clear(); }</b>
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@Override
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<b class="nc"> public Set<K> keySet() { return map.keySet(); }</b>
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@Override
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<b class="nc"> public Collection<V> values() { return map.values(); }</b>
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@Override
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<b class="nc"> public Set<Entry<K, V>> entrySet() { return map.entrySet(); }</b>
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/**
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* Sets a new size limit for this map.
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*
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* @param num the new limit.
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*/
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<b class="nc"> public void setLimit(int num) { this.limit = num; }</b>
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/**
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* Sets a new action to execute when the map size reaches or exceeds the limit.
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*
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* @param action the new action to set; must not be {@code null}.
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*/
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public void setAction(Runnable action) {
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<b class="nc"> if (action == null) throw new IllegalArgumentException("action must not be null");</b>
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<b class="nc"> this.action = action;</b>
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}
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}
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</code>
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</pre>
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<div style="float:right;">generated on 2026-06-19 22:53</div>
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