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(DOCSP-29214): CRUD > Search Text page (#12)
* (DOCSP-29214): Search Text page * Fix autobuilder errors * Optimize imports * Convert to Flow.collect { } * Convert to io-code blocks
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‎examples/src/test/kotlin/SearchTextTest.kt

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import com.mongodb.client.model.Filters
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import com.mongodb.client.model.Indexes
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import com.mongodb.client.model.Sorts.ascending
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import com.mongodb.client.model.TextSearchOptions
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import com.mongodb.kotlin.client.coroutine.MongoClient
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import io.github.cdimascio.dotenv.dotenv
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import kotlinx.coroutines.flow.toList
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import kotlinx.coroutines.runBlocking
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import org.bson.codecs.pojo.annotations.BsonId
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import org.junit.jupiter.api.AfterAll
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import org.junit.jupiter.api.Assertions.*
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import org.junit.jupiter.api.BeforeAll
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import org.junit.jupiter.api.TestInstance
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import kotlin.test.*
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// :snippet-start: search-data-model
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data class Movies(
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@BsonId val id: Int,
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val title: String,
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val tags: List<String>
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)
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// :snippet-end:
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@TestInstance(TestInstance.Lifecycle.PER_CLASS)
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internal class SearchTextTest {
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companion object {
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val dotenv = dotenv()
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val client = MongoClient.create(dotenv["MONGODB_CONNECTION_URI"])
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val database = client.getDatabase("movies")
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val collection = database.getCollection<Movies>("fast_and_furious_movies")
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@BeforeAll
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@JvmStatic
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private fun beforeAll() {
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runBlocking {
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val fastAndFuriousMovies = listOf(
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Movies(1, "2 Fast 2 Furious", listOf("undercover", "drug dealer")),
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Movies(2, "Fast 5", listOf("bank robbery", "full team")),
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Movies(3, "Furious 7", listOf("emotional")),
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Movies(4, "The Fate of the Furious", listOf("betrayal"))
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)
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collection.insertMany(fastAndFuriousMovies)
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}
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}
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@AfterAll
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@JvmStatic
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private fun afterAll() {
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runBlocking {
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collection.drop()
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client.close()
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}
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}
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}
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@Test
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fun createIndexTest() = runBlocking {
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// :snippet-start: text-index
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collection.createIndex(Indexes.text("title"))
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// :snippet-end:
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// Junit test for the above code
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val testFilter = Filters.text("Furious")
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collection.find(testFilter).collect { println(it) }
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val expected = listOf(
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Movies(1, "2 Fast 2 Furious", listOf("undercover", "drug dealer")),
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Movies(3, "Furious 7", listOf("emotional")),
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Movies(4, "The Fate of the Furious", listOf("betrayal"))
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)
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assertEquals(expected, collection.find(testFilter).sort(ascending("_id")).toList() )
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}
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@Test
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fun specifyOptionsTest() = runBlocking {
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collection.createIndex(Indexes.text("title"))
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// :snippet-start: specify-options
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val options: TextSearchOptions = TextSearchOptions().caseSensitive(true)
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val filter = Filters.text("SomeText", options)
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// :snippet-end:
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// Junit test for the above code
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assertTrue(collection.find(filter).toList().isEmpty() )
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}
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@Test
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fun searchTermTest() = runBlocking {
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collection.createIndex(Indexes.text("title"))
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// :snippet-start: search-term
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val filter = Filters.text("fast")
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collection.find(filter).collect { println(it) }
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// :snippet-end:
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// Junit test for the above code
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val expected = listOf(
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Movies(1, "2 Fast 2 Furious", listOf("undercover", "drug dealer")),
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Movies(2, "Fast 5", listOf("bank robbery", "full team"))
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)
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assertEquals(expected, collection.find(filter).sort(ascending("_id")).toList() )
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}
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@Test
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fun searchMultipleTermsTest() = runBlocking {
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collection.createIndex(Indexes.text("title"))
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// :snippet-start: search-multiple-terms
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val filter = Filters.text("fate 7")
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collection.find(filter).collect { println(it) }
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// :snippet-end:
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// Junit test for the above code
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val expected = listOf(
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Movies(3, "Furious 7", listOf("emotional")),
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Movies(4, "The Fate of the Furious", listOf("betrayal"))
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)
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assertEquals(expected, collection.find(filter).toList() )
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}
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@Test
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fun searchPhraseTest() = runBlocking {
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collection.createIndex(Indexes.text("title"))
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// :snippet-start: search-phrase
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val filter = Filters.text("\"fate of the furious\"")
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collection.find(filter).collect { println(it) }
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// :snippet-end:
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// Junit test for the above code
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val expected = listOf(
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Movies(4, "The Fate of the Furious", listOf("betrayal"))
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)
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assertEquals(expected, collection.find(filter).toList() )
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}
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@Test
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fun excludeTermTest() = runBlocking {
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collection.createIndex(Indexes.text("title"))
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// :snippet-start: exclude-term
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val filter = Filters.text("furious -fast")
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collection.find(filter).collect { println(it) }
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// :snippet-end:
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// Junit test for the above code
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val expected = listOf(
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Movies(3, "Furious 7", listOf("emotional")),
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Movies(4, "The Fate of the Furious", listOf("betrayal"))
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)
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assertEquals(expected, collection.find(filter).sort(ascending("_id")).toList() )
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}
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}

‎source/examples/generated/SearchTextTest.snippet.exclude-term.kt

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val filter = Filters.text("furious -fast")
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collection.find(filter).collect { println(it) }

‎source/examples/generated/SearchTextTest.snippet.search-data-model.kt

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data class Movies(
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@BsonId val id: Int,
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val title: String,
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val tags: List<String>
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)

‎source/examples/generated/SearchTextTest.snippet.search-multiple-terms.kt

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val filter = Filters.text("fate 7")
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collection.find(filter).collect { println(it) }

‎source/examples/generated/SearchTextTest.snippet.search-phrase.kt

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val filter = Filters.text("\"fate of the furious\"")
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collection.find(filter).collect { println(it) }

‎source/examples/generated/SearchTextTest.snippet.search-term.kt

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val filter = Filters.text("fast")
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collection.find(filter).collect { println(it) }

‎source/examples/generated/SearchTextTest.snippet.search-text.kt

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val filter = Filters.and(Filters.gt("_id", 1))
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collection.find(filter).toList().forEach { println(it) }

‎source/examples/generated/SearchTextTest.snippet.specify-options.kt

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val options: TextSearchOptions = TextSearchOptions().caseSensitive(true)
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val filter = Filters.text("SomeText", options)

‎source/examples/generated/SearchTextTest.snippet.text-index.kt

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collection.createIndex(Indexes.text("title"))

‎source/fundamentals/crud/read-operations/text.txt

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--------
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In this guide, you can learn how to run a **text search** in the MongoDB
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Java driver.
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Kotlin driver.
2020

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You can use a text search to retrieve documents that contain a **term**
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or a **phrase** in a specified field. A term is a sequence of characters
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{ "_id": 3, "title": "Furious 7", "tags": ["emotional"] }
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{ "_id": 4, "title": "The Fate of the Furious", "tags": ["betrayal"] }
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This data is modeled with the following Kotlin data class:
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.. literalinclude:: /examples/generated/SearchTextTest.snippet.search-data-model.kt
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:language: kotlin
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Text Index
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~~~~~~~~~~
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:ref:`Indexes <index-text-indexes>` builder with the following
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snippet:
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.. literalinclude:: /includes/fundamentals/code-snippets/SearchText.java
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:language: java
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:dedent:
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:start-after: begin textIndex
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:end-before: end textIndex
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.. literalinclude:: /examples/generated/SearchTextTest.snippet.text-index.kt
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:language: kotlin
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For more information, see the following resources:
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To specify a case sensitive search, use the following snippet:
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.. code-block:: java
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TextSearchOptions options = new TextSearchOptions().caseSensitive(true);
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Bson filter = Filters.text("SomeText", options);
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.. literalinclude:: /examples/generated/SearchTextTest.snippet.specify-options.kt
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:language: kotlin
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For more information about the methods and classes mentioned in this section,
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see the following API Documentation:
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- `Filters.text() <{+api+}/apidocs/mongodb-driver-core/com/mongodb/client/model/Filters.html#text(java.lang.String)>`__
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- `TextSearchOptions <{+api+}/apidocs/mongodb-driver-core/com/mongodb/client/model/TextSearchOptions.html>`__
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- `Filters.text() <TODO:(DOCSP-29169)>`__
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- `TextSearchOptions <TODO:(DOCSP-29169)>`__
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.. _term_search:
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``fast_and_furious_movies`` collection for titles that contain the
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term "fast":
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.. literalinclude:: /includes/fundamentals/code-snippets/SearchText.java
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:language: java
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:dedent:
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:start-after: begin termExample
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:end-before: end termExample
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.. io-code-block::
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The following shows the output of the preceding code:
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.. input:: /examples/generated/SearchTextTest.snippet.search-term.kt
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:language: kotlin
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.. code-block:: json
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:copyable: false
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.. output::
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:language: console
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{ "_id": 1, "title": "2 Fast 2 Furious ", "tags": ["undercover", "drug dealer"] }
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{ "_id": 2, "title": "Fast 5", "tags": ["bank robbery", "full team"] }
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Movies(id=1, title=2 Fast 2 Furious, tags=[undercover, drug dealer])
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Movies(id=2, title=Fast 5, tags=[bank robbery, full team])
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To match multiple terms in your text search, separate each term
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with spaces in the ``Filters.text()`` builder method. The builder method
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``fast_and_furious_movies`` collection for titles that contain the
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terms "fate" or "7":
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.. literalinclude:: /includes/fundamentals/code-snippets/SearchText.java
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:language: java
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:dedent:
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:start-after: begin multipleTermExample
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:end-before: end multipleTermExample
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.. io-code-block::
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The following shows the output of the preceding code:
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.. input:: /examples/generated/SearchTextTest.snippet.search-multiple-terms.kt
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:language: kotlin
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.. code-block:: json
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:copyable: false
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.. output::
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:language: console
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{ "_id": 3, "title": "Furious 7", "tags": ["emotional"] }
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{ "_id": 4, "title": "The Fate of the Furious", "tags": ["betrayal"] }
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Movies(id=3, title=Furious 7, tags=[emotional])
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Movies(id=4, title=The Fate of the Furious, tags=[betrayal])
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Search Text by a Phrase
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~~~~~~~~~~~~~~~~~~~~~~~
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``fast_and_furious_movies`` collection for titles that contain the
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phrase "fate of the furious":
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.. literalinclude:: /includes/fundamentals/code-snippets/SearchText.java
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:language: java
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:dedent:
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:start-after: begin phraseExample
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:end-before: end phraseExample
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.. io-code-block::
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The following shows the output of the preceding code:
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.. input:: /examples/generated/SearchTextTest.snippet.search-phrase.kt
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:language: kotlin
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.. code-block:: json
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:copyable: false
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.. output::
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:language: console
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{ "_id": 4, "title": "The Fate of the Furious", "tags": ["betrayal"] }
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Movies(id=4, title=The Fate of the Furious, tags=[betrayal])
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Search Text with Terms Excluded
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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``fast_and_furious_movies`` collection for titles that contain the
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term "furious", but do not contain the term "fast":
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.. literalinclude:: /includes/fundamentals/code-snippets/SearchText.java
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:language: java
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:dedent:
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:start-after: begin negateExample
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:end-before: end negateExample
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.. io-code-block::
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The following shows the output of the preceding code:
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.. input:: /examples/generated/SearchTextTest.snippet.exclude-term.kt
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:language: kotlin
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.. code-block:: json
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:copyable: false
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.. output::
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:language: console
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{ "_id": 3, "title": "Furious 7", "tags": ["emotional"] }
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{ "_id": 4, "title": "The Fate of the Furious", "tags": ["betrayal"] }
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Movies(id=3, title=Furious 7, tags=[emotional])
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Movies(id=4, title=The Fate of the Furious, tags=[betrayal])

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