com.marklogic.client.example.cookbook.RawCombinedSearch Maven / Gradle / Ivy

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/*
 * Copyright 2012-2016 MarkLogic Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.marklogic.client.example.cookbook;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import com.marklogic.client.DatabaseClient;
import com.marklogic.client.DatabaseClientFactory;
import com.marklogic.client.document.XMLDocumentManager;
import com.marklogic.client.example.cookbook.Util.ExampleProperties;
import com.marklogic.client.io.Format;
import com.marklogic.client.io.InputStreamHandle;
import com.marklogic.client.io.SearchHandle;
import com.marklogic.client.query.MatchDocumentSummary;
import com.marklogic.client.query.MatchLocation;
import com.marklogic.client.query.MatchSnippet;
import com.marklogic.client.query.QueryManager;
import com.marklogic.client.query.RawCombinedQueryDefinition;

/**
 * RawCombinedSearch illustrates searching for documents and iterating over results
 * by passing structured criteria and query options in a single request.
 */
public class RawCombinedSearch {
	static final private String[] filenames = {"curbappeal.xml", "flipper.xml", "justintime.xml"};

	public static void main(String[] args) throws IOException {
		run(Util.loadProperties());
	}

	public static void run(ExampleProperties props) throws IOException {
		System.out.println("example: "+RawCombinedSearch.class.getName());

		// connect the client
		DatabaseClient client = DatabaseClientFactory.newClient(
				props.host, props.port, props.writerUser, props.writerPassword,
				props.authType);

		setUpExample(client);

		// create a manager for searching
		QueryManager queryMgr = client.newQueryManager();

		// specify the query and options for the search criteria
		// in raw XML (raw JSON is also supported)
		String rawSearch = new StringBuilder()
    	    .append("")
    	    .append("")
  	        .append(    "")
   	        .append(        "neighborhoods")
   	        .append(    "")
   	        .append(    "")
   	        .append(        "industry")
   	        .append(        "Real Estate")
   	        .append(    "")
	        .append("")
    	    .append("")
            .append(    "")
    	    .append(        "")
    		.append(            "")
    	    .append(        "")
            .append(    "")
            .append("")
            .append("")
            .toString();

        // create a search definition for the search criteria
        RawCombinedQueryDefinition querydef
                = queryMgr.newRawCombinedQueryDefinitionAs(Format.XML, rawSearch);

        // create a handle for the search results
		SearchHandle resultsHandle = new SearchHandle();

		// run the search
		queryMgr.search(querydef, resultsHandle);

		System.out.println("(Strong Typed) Matched "+resultsHandle.getTotalResults()+
				" documents with structured query\n");

		// iterate over the result documents
		MatchDocumentSummary[] docSummaries = resultsHandle.getMatchResults();
		System.out.println("Listing "+docSummaries.length+" documents:\n");
		for (MatchDocumentSummary docSummary: docSummaries) {
			String uri = docSummary.getUri();
			int score = docSummary.getScore();

			// iterate over the match locations within a result document
			MatchLocation[] locations = docSummary.getMatchLocations();
			System.out.println("Matched "+locations.length+" locations in "+uri+" with "+score+" score:");
			for (MatchLocation location: locations) {

				// iterate over the snippets at a match location
				for (MatchSnippet snippet : location.getSnippets()) {
					boolean isHighlighted = snippet.isHighlighted();

					if (isHighlighted)
						System.out.print("[");
					System.out.print(snippet.getText());
					if (isHighlighted)
						System.out.print("]");
				}
				System.out.println();
			}
		}
	}

	// set up by writing the document content used in the example query
	public static void setUpExample(DatabaseClient client) throws IOException {
		XMLDocumentManager docMgr = client.newXMLDocumentManager();

		InputStreamHandle contentHandle = new InputStreamHandle();

		for (String filename: filenames) {
			InputStream docStream = Util.openStream("data"+File.separator+filename);
			if (docStream == null)
				throw new IOException("Could not read document example");

			contentHandle.set(docStream);

			docMgr.write("/example/"+filename, contentHandle);
		}
	}

	// clean up by deleting the documents used in the example query
	public static void tearDownExample(DatabaseClient client) {
		XMLDocumentManager docMgr = client.newXMLDocumentManager();

		for (String filename: filenames) {
			docMgr.delete("/example/"+filename);
		}
	}
}