/*
* Copyright 2015 MongoDB, Inc.
*
* 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 primer;
import org.junit.Test;
// @imports: start
import org.bson.Document;
import com.mongodb.Block;
import com.mongodb.async.SingleResultCallback;
import com.mongodb.async.client.FindIterable;
import static com.mongodb.client.model.Filters.*;
import static com.mongodb.client.model.Sorts.ascending;
import static java.util.Arrays.asList;
// @imports: end
public class QueryPrimer extends PrimerTestCase {
@Test
public void queryAll() {
// @begin: query-all
// @code: start
FindIterable<Document> iterable = db.getCollection("restaurants").find();
// @code: end
// @pre: Iterate the results and apply a block to each resulting document
// @code: start
iterable.forEach(new Block<Document>() {
@Override
public void apply(final Document document) {
System.out.println(document);
}
}, new SingleResultCallback<Void>() {
@Override
public void onResult(final Void result, final Throwable t) {
System.out.println("Operation Finished");
}
});
// @code: end
// @end: query-all
}
@Test
public void logicalAnd() {
// @begin: logical-and
// @code: start
FindIterable<Document> iterable = db.getCollection("restaurants").find(
new Document("cuisine", "Italian").append("address.zipcode", "10075"));
// @code: end
// @pre: Iterate the results and apply a block to each resulting document
// @code: start
iterable.forEach(new Block<Document>() {
@Override
public void apply(final Document document) {
System.out.println(document);
}
}, new SingleResultCallback<Void>() {
@Override
public void onResult(final Void result, final Throwable t) {
System.out.println("Operation Finished");
}
});
// @code: end
// @pre: To simplify building queries the Java driver provides static helpers
// @code: start
db.getCollection("restaurants").find(and(eq("cuisine", "Italian"), eq("address.zipcode", "10075")));
// @code: end
// @end: logical-and
}
@Test
public void logicalOr() {
// @begin: logical-or
// @code: start
FindIterable<Document> iterable = db.getCollection("restaurants").find(
new Document("$or", asList(new Document("cuisine", "Italian"),
new Document("address.zipcode", "10075"))));
// @code: end
// @pre: Iterate the results and apply a block to each resulting document
// @code: start
iterable.forEach(new Block<Document>() {
@Override
public void apply(final Document document) {
System.out.println(document);
}
}, new SingleResultCallback<Void>() {
@Override
public void onResult(final Void result, final Throwable t) {
System.out.println("Operation Finished");
}
});
// @code: end
// @pre: To simplify building queries the Java driver provides static helpers
// @code: start
db.getCollection("restaurants").find(or(eq("cuisine", "Italian"), eq("address.zipcode", "10075")));
// @code: end
// @end: logical-or
}
@Test
public void queryTopLevelField() {
// @begin: query-top-level-field
// @code: start
FindIterable<Document> iterable = db.getCollection("restaurants").find(
new Document("borough", "Manhattan"));
// @code: end
// @pre: Iterate the results and apply a block to each resulting document
// @code: start
iterable.forEach(new Block<Document>() {
@Override
public void apply(final Document document) {
System.out.println(document);
}
}, new SingleResultCallback<Void>() {
@Override
public void onResult(final Void result, final Throwable t) {
System.out.println("Operation Finished");
}
});
// @code: end
// @pre: To simplify building queries the Java driver provides static helpers
// @code: start
db.getCollection("restaurants").find(eq("borough", "Manhattan"));
// @code: end
// @end: query-top-level-field
}
@Test
public void queryEmbeddedDocument() {
// @begin: query-embedded-document
// @code: start
FindIterable<Document> iterable = db.getCollection("restaurants").find(
new Document("address.zipcode", "10075"));
// @code: end
// @pre: Iterate the results and apply a block to each resulting document
// @code: start
iterable.forEach(new Block<Document>() {
@Override
public void apply(final Document document) {
System.out.println(document);
}
}, new SingleResultCallback<Void>() {
@Override
public void onResult(final Void result, final Throwable t) {
System.out.println("Operation Finished");
}
});
// @code: end
// @pre: To simplify building queries the Java driver provides static helpers
// @code: start
db.getCollection("restaurants").find(eq("address.zipcode", "10075"));
// @code: end
// @end: query-embedded-document
}
@Test
public void queryFieldInArray() {
// @begin: query-field-in-array
// @code: start
FindIterable<Document> iterable = db.getCollection("restaurants").find(
new Document("grades.grade", "B"));
// @code: end
// @pre: Iterate the results and apply a block to each resulting document
// @code: start
iterable.forEach(new Block<Document>() {
@Override
public void apply(final Document document) {
System.out.println(document);
}
}, new SingleResultCallback<Void>() {
@Override
public void onResult(final Void result, final Throwable t) {
System.out.println("Operation Finished");
}
});
// @code: end
// @pre: To simplify building queries the Java driver provides static helpers
// @code: start
db.getCollection("restaurants").find(eq("grades.grade", "B"));
// @code: end
// @end: query-field-in-array
}
@Test
public void greaterThan() {
// @begin: greater-than
// @code: start
FindIterable<Document> iterable = db.getCollection("restaurants").find(
new Document("grades.score", new Document("$gt", 30)));
// @code: end
// @pre: Iterate the results and apply a block to each resulting document
// @code: start
iterable.forEach(new Block<Document>() {
@Override
public void apply(final Document document) {
System.out.println(document);
}
}, new SingleResultCallback<Void>() {
@Override
public void onResult(final Void result, final Throwable t) {
System.out.println("Operation Finished");
}
});
// @code: end
// @pre: To simplify building queries the Java driver provides static helpers
// @code: start
db.getCollection("restaurants").find(gt("grades.score", 30));
// @code: end
// @end: greater-than
}
@Test
public void lessThan() {
// @begin: less-than
// @code: start
FindIterable<Document> iterable = db.getCollection("restaurants").find(
new Document("grades.score", new Document("$lt", 10)));
// @code: end
// @pre: Iterate the results and apply a block to each resulting document
// @code: start
iterable.forEach(new Block<Document>() {
@Override
public void apply(final Document document) {
System.out.println(document);
}
}, new SingleResultCallback<Void>() {
@Override
public void onResult(final Void result, final Throwable t) {
System.out.println("Operation Finished");
}
});
// @code: end
// @pre: To simplify building queries the Java driver provides static helpers
// @code: start
db.getCollection("restaurants").find(lt("grades.score", 10));
// @code: end
// @end: less-than
}
@Test
public void sort() {
// @begin: sort
// @code: start
FindIterable<Document> iterable = db.getCollection("restaurants").find()
.sort(new Document("borough", 1).append("address.zipcode", 1));
// @code: end
// @pre: Iterate the results and apply a block to each resulting document
// @code: start
iterable.forEach(new Block<Document>() {
@Override
public void apply(final Document document) {
System.out.println(document);
}
}, new SingleResultCallback<Void>() {
@Override
public void onResult(final Void result, final Throwable t) {
System.out.println("Operation Finished");
}
});
// @code: end
// @pre: To simplify sorting fields the Java driver provides static helpers
// @code: start
db.getCollection("restaurants").find().sort(ascending("borough", "address.zipcode"));
// @code: end
// @end: sort
}
}