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| <h2 title="Interface NCConversation" class="title">Interface NCConversation</h2> |
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| <pre>public interface <span class="typeNameLabel">NCConversation</span></pre> |
| <div class="block">Conversation container. |
| <p> |
| Conversation management is based on idea of a short-term-memory (STM). STM can be viewed as a condensed |
| short-term history of the user input for a given user and data model. Every submitted user request that wasn't |
| rejected is added to the conversation STM as a list of <a href="../../../../org/apache/nlpcraft/model/NCToken.html" title="interface in org.apache.nlpcraft.model"><code>tokens</code></a>. Existing STM tokens belonging to |
| the same <a href="../../../../org/apache/nlpcraft/model/NCElement.html#getGroups--"><code>group</code></a> will be overridden by the more recent tokens from the same group. |
| Note also that tokens in STM automatically expire (i.e. context is "forgotten") after a certain period of time |
| or based on other internal logic. Note that you should not rely on a specific expiration behavior as its logic |
| may be changed in the future.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/nlpcraft/model/NCContext.html#getConversation--"><code>NCContext.getConversation()</code></a></dd> |
| </dl> |
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| <h3>Method Summary</h3> |
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| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nlpcraft/model/NCConversation.html#clearAllDialog--">clearAllDialog</a></span>()</code> |
| <div class="block">Clears entire history of matched intents.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nlpcraft/model/NCConversation.html#clearAllStm--">clearAllStm</a></span>()</code> |
| <div class="block">Removes all tokens from the conversation STM.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nlpcraft/model/NCConversation.html#clearDialog-java.util.function.Predicate-">clearDialog</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html?is-external=true" title="class or interface in java.util.function">Predicate</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> filter)</code> |
| <div class="block">Clears history of matched intents using given intent predicate.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nlpcraft/model/NCConversation.html#clearStm-java.util.function.Predicate-">clearStm</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html?is-external=true" title="class or interface in java.util.function">Predicate</a><<a href="../../../../org/apache/nlpcraft/model/NCToken.html" title="interface in org.apache.nlpcraft.model">NCToken</a>> filter)</code> |
| <div class="block">Removes all tokens satisfying given predicate from the conversation STM.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../org/apache/nlpcraft/model/NCToken.html" title="interface in org.apache.nlpcraft.model">NCToken</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nlpcraft/model/NCConversation.html#getTokens--">getTokens</a></span>()</code> |
| <div class="block">Gets an ordered list of tokens stored in the conversation STM for the current |
| user and data model.</div> |
| </td> |
| </tr> |
| </table> |
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| <h4>getTokens</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../org/apache/nlpcraft/model/NCToken.html" title="interface in org.apache.nlpcraft.model">NCToken</a>> getTokens()</pre> |
| <div class="block">Gets an ordered list of tokens stored in the conversation STM for the current |
| user and data model. Tokens in the returned list are ordered by their conversational depth, i.e. |
| the tokens from more recent requests appear before tokens from older requests. |
| <p> |
| Note that this list excludes free words and stopwords. Note also that specific rules |
| by which STM operates are undefined for the purpose of this function (i.e. callers should not rely on |
| any observed behavior of how STM stores and evicts its content).</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>List of tokens for this conversation's STM. The list can be empty which indicates that |
| conversation is brand new (or timed out).</dd> |
| </dl> |
| </li> |
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| <h4>clearStm</h4> |
| <pre>void clearStm(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html?is-external=true" title="class or interface in java.util.function">Predicate</a><<a href="../../../../org/apache/nlpcraft/model/NCToken.html" title="interface in org.apache.nlpcraft.model">NCToken</a>> filter)</pre> |
| <div class="block">Removes all tokens satisfying given predicate from the conversation STM. |
| This is particularly useful when the logic processing the user input makes an implicit |
| assumption not present in the user input itself. Such assumption may alter the conversation (without |
| having an explicit token responsible for it) and therefore this method can be used to remove "stale" tokens |
| from conversation STM. |
| <p> |
| For example, in some cases the intent logic can assume the user current location as an implicit geo |
| location and therefore all existing geo tokens should be removed from the conversation STM |
| to maintain correct context.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>filter</code> - Token remove filter.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>clearAllStm</h4> |
| <pre>default void clearAllStm()</pre> |
| <div class="block">Removes all tokens from the conversation STM. It is equivalent to: |
| <pre class="brush: java"> |
| clearStm(tok -> true); |
| </pre></div> |
| </li> |
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| <h4>clearDialog</h4> |
| <pre>void clearDialog(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html?is-external=true" title="class or interface in java.util.function">Predicate</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> filter)</pre> |
| <div class="block">Clears history of matched intents using given intent predicate. |
| <p> |
| History of matched intents (i.e. the dialog flow) can be used in intent definition as part of its |
| matching template. NLPCraft maintains the window of previously matched intents based on time, i.e. |
| after certain period of time the oldest previously matched intents are forgotten and removed from |
| dialog flow. This method allows explicitly clear previously matched intents from the |
| dialog flow based on user logic other than time window.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>filter</code> - Dialog flow filter based on IDs of previously matched intents.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>clearAllDialog</h4> |
| <pre>default void clearAllDialog()</pre> |
| <div class="block">Clears entire history of matched intents. It is equivalent to: |
| <pre class="brush: java"> |
| clearDialog(id -> true); |
| </pre></div> |
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| <div class="aboutLanguage"><span style="vertical-align: super">Apache NLPCraft <span style="font-size: 80%">0.6.2</span></span> <a style="vertical-align: super; margin-right: 10px" href="https://github.com/apache/incubator-nlpcraft" target="github"><i class="fa fa-github github-logo"></i></a> <a class="github-button" href="https://github.com/apache/incubator-nlpcraft/tree/master/nlpcraft/src/main/scala/org/apache/nlpcraft/examples" data-icon="octicon-eye" aria-label="NLPCraft Examples">Examples</a> <a class="github-button" href="https://github.com/apache/incubator-nlpcraft" data-icon="octicon-star" aria-label="Star on GitHub">Star</a> <a class="github-button" href="https://github.com/apache/incubator-nlpcraft/fork" data-icon="octicon-repo-forked" aria-label="Fork on GitHub">Fork</a> <script type="text/javascript"> SyntaxHighlighter.defaults["auto-links"] = false; SyntaxHighlighter.defaults["tab-size"] = 2; SyntaxHighlighter.autoloader( 'java https://nlpcraft.apache.org/javadoc/resources/sh/scripts/shBrushJava.js', 'js jscript javascript https://nlpcraft.apache.org/javadoc/resources/sh/scripts/shBrushJScript.js', 'text plain https://nlpcraft.apache.org/javadoc/resources/sh/scripts/shBrushPlain.js', 'py python https://nlpcraft.apache.org/javadoc/resources/sh/scripts/shBrushPython.js', 'ruby rails ror rb https://nlpcraft.apache.org/javadoc/resources/sh/scripts/shBrushRuby.js', 'scala https://nlpcraft.apache.org/javadoc/resources/sh/scripts/shBrushScala.js', 'sql https://nlpcraft.apache.org/javadoc/resources/sh/scripts/shBrushSql.js', 'xml xhtml xslt html https://nlpcraft.apache.org/javadoc/resources/sh/scripts/shBrushXml.js' ); SyntaxHighlighter.all(); </script></div> |
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