Lee con un filtro de cadena (HBase)
Organiza tus páginas con colecciones
Guarda y categoriza el contenido según tus preferencias.
Crea un filtro compuesto con encadenamiento.
Explora más
Para obtener documentación en la que se incluye esta muestra de código, consulta lo siguiente:
Muestra de código
Salvo que se indique lo contrario, el contenido de esta página está sujeto a la licencia Atribución 4.0 de Creative Commons, y los ejemplos de código están sujetos a la licencia Apache 2.0. Para obtener más información, consulta las políticas del sitio de Google Developers. Java es una marca registrada de Oracle o sus afiliados.
[[["Fácil de comprender","easyToUnderstand","thumb-up"],["Resolvió mi problema","solvedMyProblem","thumb-up"],["Otro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Información o código de muestra incorrectos","incorrectInformationOrSampleCode","thumb-down"],["Faltan la información o los ejemplos que necesito","missingTheInformationSamplesINeed","thumb-down"],["Problema de traducción","translationIssue","thumb-down"],["Otro","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis code sample demonstrates how to create a composite filter by chaining multiple filters together.\u003c/p\u003e\n"],["\u003cp\u003eThe example utilizes \u003ccode\u003eFamilyFilter\u003c/code\u003e to target cells within the \u003ccode\u003ecell_plan\u003c/code\u003e column family and \u003ccode\u003eColumnCountGetFilter\u003c/code\u003e to select a specific number of cells per row.\u003c/p\u003e\n"],["\u003cp\u003eIt constructs a \u003ccode\u003eFilterList\u003c/code\u003e with the \u003ccode\u003eMUST_PASS_ALL\u003c/code\u003e operator, ensuring that rows must pass both filters to be included in the results.\u003c/p\u003e\n"],["\u003cp\u003eThe resulting composite filter, applied to a \u003ccode\u003eScan\u003c/code\u003e operation, is then used to filter data in the specified Bigtable table.\u003c/p\u003e\n"]]],[],null,["Creates a composite filter using chaining.\n\nExplore further\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Use filters](/bigtable/docs/using-filters)\n\nCode sample \n\nJava\n\n\nTo learn how to install and use the client library for Bigtable, see\n[Bigtable client libraries](/bigtable/docs/reference/libraries).\n\n\nTo authenticate to Bigtable, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n public static void filterComposingChain() {\n // TODO(developer): Replace these variables before running the sample.\n String projectId = \"my-project-id\";\n String instanceId = \"my-instance-id\";\n String tableId = \"mobile-time-series\";\n filterComposingChain(projectId, instanceId, tableId);\n }\n\n public static void filterComposingChain(String projectId, String instanceId, String tableId) {\n // A filter that selects one cell per row AND within the column family cell_plan\n Filter familyFilter =\n new FamilyFilter(CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes(\"cell_plan\")));\n Filter columnCountGetFilter = new ColumnCountGetFilter(3);\n\n FilterList filter = new FilterList(FilterList.Operator.MUST_PASS_ALL);\n filter.addFilter(columnCountGetFilter);\n filter.addFilter(familyFilter);\n Scan scan = new Scan().setFilter(filter);\n readWithFilter(projectId, instanceId, tableId, scan);\n }\n\nWhat's next\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=bigtable)."]]
