[BAEL-3348] Moved code to algorithm-4

apache-solrj/src/main/java/com/baeldung/solrjava/ProductBean.java

@@ -0,0 +1,44 @@
+package com.baeldung.solrjava;
+
+import org.apache.solr.client.solrj.beans.Field;
+
+public class ProductBean {
+
+    String id;
+    String name;
+    String price;
+
+    public ProductBean(String id, String name, String price) {
+        super();
+        this.id = id;
+        this.name = name;
+        this.price = price;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    @Field("id")
+    protected void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    @Field("name")
+    protected void setName(String name) {
+        this.name = name;
+    }
+
+    public String getPrice() {
+        return price;
+    }
+
+    @Field("price")
+    protected void setPrice(String price) {
+        this.price = price;
+    }
+}

apache-solrj/src/main/java/com/baeldung/solrjava/SolrJavaIntegration.java

@@ -0,0 +1,56 @@
+package com.baeldung.solrjava;
+
+import java.io.IOException;
+
+import org.apache.solr.client.solrj.SolrServerException;
+import org.apache.solr.client.solrj.impl.HttpSolrClient;
+import org.apache.solr.client.solrj.impl.XMLResponseParser;
+import org.apache.solr.common.SolrInputDocument;
+
+public class SolrJavaIntegration {
+
+    private HttpSolrClient solrClient;
+
+    public SolrJavaIntegration(String clientUrl) {
+
+        solrClient = new HttpSolrClient.Builder(clientUrl).build();
+        solrClient.setParser(new XMLResponseParser());
+    }
+
+    public void addProductBean(ProductBean pBean) throws IOException, SolrServerException {
+
+        solrClient.addBean(pBean);
+        solrClient.commit();
+    }
+
+    public void addSolrDocument(String documentId, String itemName, String itemPrice) throws SolrServerException, IOException {
+
+        SolrInputDocument document = new SolrInputDocument();
+        document.addField("id", documentId);
+        document.addField("name", itemName);
+        document.addField("price", itemPrice);
+        solrClient.add(document);
+        solrClient.commit();
+    }
+
+    public void deleteSolrDocumentById(String documentId) throws SolrServerException, IOException {
+
+        solrClient.deleteById(documentId);
+        solrClient.commit();
+    }
+
+    public void deleteSolrDocumentByQuery(String query) throws SolrServerException, IOException {
+
+        solrClient.deleteByQuery(query);
+        solrClient.commit();
+    }
+
+    protected HttpSolrClient getSolrClient() {
+        return solrClient;
+    }
+
+    protected void setSolrClient(HttpSolrClient solrClient) {
+        this.solrClient = solrClient;
+    }
+
+}