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| <div class="subTitle">org.apache.mina.core.session</div> |
| <h2 title="Interface IoSessionAttributeMap" class="title">Interface IoSessionAttributeMap</h2> |
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| <pre>public interface <span class="typeNameLabel">IoSessionAttributeMap</span></pre> |
| <div class="block">Stores the user-defined attributes which is provided per <a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session"><code>IoSession</code></a>. |
| All user-defined attribute accesses in <a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session"><code>IoSession</code></a> are forwarded to |
| the instance of <a href="../../../../../org/apache/mina/core/session/IoSessionAttributeMap.html" title="interface in org.apache.mina.core.session"><code>IoSessionAttributeMap</code></a>.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd><a href="http://mina.apache.org">Apache MINA Project</a></dd> |
| </dl> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/core/session/IoSessionAttributeMap.html#containsAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-">containsAttribute</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/core/session/IoSessionAttributeMap.html#dispose-org.apache.mina.core.session.IoSession-">dispose</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session)</code> |
| <div class="block">Disposes any releases associated with the specified session.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/core/session/IoSessionAttributeMap.html#getAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-java.lang.Object-">getAttribute</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> defaultValue)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/core/session/IoSessionAttributeMap.html#getAttributeKeys-org.apache.mina.core.session.IoSession-">getAttributeKeys</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/core/session/IoSessionAttributeMap.html#removeAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-">removeAttribute</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key)</code> |
| <div class="block">Removes a user-defined attribute with the specified key.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/core/session/IoSessionAttributeMap.html#removeAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-java.lang.Object-">removeAttribute</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</code> |
| <div class="block">Removes a user defined attribute with the specified key if the current |
| attribute value is equal to the specified value.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/core/session/IoSessionAttributeMap.html#replaceAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-java.lang.Object-java.lang.Object-">replaceAttribute</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> oldValue, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> newValue)</code> |
| <div class="block">Replaces a user defined attribute with the specified key if the |
| value of the attribute is equals to the specified old value.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/core/session/IoSessionAttributeMap.html#setAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-java.lang.Object-">setAttribute</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</code> |
| <div class="block">Sets a user-defined attribute.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mina/core/session/IoSessionAttributeMap.html#setAttributeIfAbsent-org.apache.mina.core.session.IoSession-java.lang.Object-java.lang.Object-">setAttributeIfAbsent</a></span>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</code> |
| <div class="block">Sets a user defined attribute if the attribute with the specified key |
| is not set yet.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <h3>Method Detail</h3> |
| <a name="getAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-java.lang.Object-"> |
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| <h4>getAttribute</h4> |
| <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> getAttribute(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> defaultValue)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>session</code> - the session for which we want to get an attribute</dd> |
| <dd><code>key</code> - The key we are looking for</dd> |
| <dd><code>defaultValue</code> - The default returned value if the attribute is not found</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the value of user defined attribute associated with the |
| specified key. If there's no such attribute, the specified default |
| value is associated with the specified key, and the default value is |
| returned. This method is same with the following code except that the |
| operation is performed atomically. |
| <pre> |
| if (containsAttribute(key)) { |
| return getAttribute(key); |
| } else { |
| setAttribute(key, defaultValue); |
| return defaultValue; |
| } |
| </pre></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-java.lang.Object-"> |
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| <h4>setAttribute</h4> |
| <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> setAttribute(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</pre> |
| <div class="block">Sets a user-defined attribute.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>session</code> - the session for which we want to set an attribute</dd> |
| <dd><code>key</code> - the key of the attribute</dd> |
| <dd><code>value</code> - the value of the attribute</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The old value of the attribute. <tt>null</tt> if it is new.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setAttributeIfAbsent-org.apache.mina.core.session.IoSession-java.lang.Object-java.lang.Object-"> |
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| </a> |
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| <h4>setAttributeIfAbsent</h4> |
| <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> setAttributeIfAbsent(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</pre> |
| <div class="block">Sets a user defined attribute if the attribute with the specified key |
| is not set yet. This method is same with the following code except |
| that the operation is performed atomically. |
| <pre> |
| if (containsAttribute(key)) { |
| return getAttribute(key); |
| } else { |
| return setAttribute(key, value); |
| } |
| </pre></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>session</code> - the session for which we want to set an attribute</dd> |
| <dd><code>key</code> - The key we are looking for</dd> |
| <dd><code>value</code> - The value to inject</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The previous attribute</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="removeAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-"> |
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| </a> |
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| <h4>removeAttribute</h4> |
| <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> removeAttribute(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key)</pre> |
| <div class="block">Removes a user-defined attribute with the specified key.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>session</code> - the session for which we want to remove an attribute</dd> |
| <dd><code>key</code> - The key we are looking for</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The old value of the attribute. <tt>null</tt> if not found.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="removeAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-java.lang.Object-"> |
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| <h4>removeAttribute</h4> |
| <pre>boolean removeAttribute(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</pre> |
| <div class="block">Removes a user defined attribute with the specified key if the current |
| attribute value is equal to the specified value. This method is same |
| with the following code except that the operation is performed |
| atomically. |
| <pre> |
| if (containsAttribute(key) && getAttribute(key).equals(value)) { |
| removeAttribute(key); |
| return true; |
| } else { |
| return false; |
| } |
| </pre></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>session</code> - the session for which we want to remove a value</dd> |
| <dd><code>key</code> - The key we are looking for</dd> |
| <dd><code>value</code> - The value to remove</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><tt>true</tt> if the value has been removed, <tt>false</tt> if the key was |
| not found of the value not removed</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="replaceAttribute-org.apache.mina.core.session.IoSession-java.lang.Object-java.lang.Object-java.lang.Object-"> |
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| <h4>replaceAttribute</h4> |
| <pre>boolean replaceAttribute(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> oldValue, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> newValue)</pre> |
| <div class="block">Replaces a user defined attribute with the specified key if the |
| value of the attribute is equals to the specified old value. |
| This method is same with the following code except that the operation |
| is performed atomically. |
| <pre> |
| if (containsAttribute(key) && getAttribute(key).equals(oldValue)) { |
| setAttribute(key, newValue); |
| return true; |
| } else { |
| return false; |
| } |
| </pre></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>session</code> - the session for which we want to replace an attribute</dd> |
| <dd><code>key</code> - The key we are looking for</dd> |
| <dd><code>oldValue</code> - The old value to replace</dd> |
| <dd><code>newValue</code> - The new value to set</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><tt>true</tt> if the value has been replaced, <tt>false</tt> if the key was |
| not found of the value not replaced</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>containsAttribute</h4> |
| <pre>boolean containsAttribute(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> key)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>session</code> - the session for which wa want to check if an attribute is present</dd> |
| <dd><code>key</code> - The key we are looking for</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><tt>true</tt> if this session contains the attribute with |
| the specified <tt>key</tt>.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getAttributeKeys-org.apache.mina.core.session.IoSession-"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>getAttributeKeys</h4> |
| <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> getAttributeKeys(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>session</code> - the session for which we want the set of attributes</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the set of keys of all user-defined attributes.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>dispose</h4> |
| <pre>void dispose(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a> session) |
| throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <div class="block">Disposes any releases associated with the specified session. |
| This method is invoked on disconnection.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>session</code> - the session to be disposed</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code> - If the session can't be disposed</dd> |
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