io.vertx.rxjava.sqlclient.Cursor Maven / Gradle / Ivy
/*
* Copyright 2014 Red Hat, Inc.
*
* Red Hat licenses this file to you 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 io.vertx.rxjava.sqlclient;
import rx.Observable;
import rx.Single;
import io.vertx.rx.java.RxHelper;
import io.vertx.rx.java.WriteStreamSubscriber;
import io.vertx.rx.java.SingleOnSubscribeAdapter;
import java.util.Map;
import java.util.Set;
import java.util.List;
import java.util.Iterator;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import io.vertx.core.Handler;
import io.vertx.core.AsyncResult;
import io.vertx.core.json.JsonObject;
import io.vertx.core.json.JsonArray;
import io.vertx.lang.rx.RxGen;
import io.vertx.lang.rx.TypeArg;
import io.vertx.lang.rx.MappingIterator;
/**
* A cursor that reads progressively rows from the database, it is useful for reading very large result sets.
*
*
* NOTE: This class has been automatically generated from the {@link io.vertx.sqlclient.Cursor original} non RX-ified interface using Vert.x codegen.
*/
@RxGen(io.vertx.sqlclient.Cursor.class)
public class Cursor {
@Override
public String toString() {
return delegate.toString();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Cursor that = (Cursor) o;
return delegate.equals(that.delegate);
}
@Override
public int hashCode() {
return delegate.hashCode();
}
public static final TypeArg __TYPE_ARG = new TypeArg<>( obj -> new Cursor((io.vertx.sqlclient.Cursor) obj),
Cursor::getDelegate
);
private final io.vertx.sqlclient.Cursor delegate;
public Cursor(io.vertx.sqlclient.Cursor delegate) {
this.delegate = delegate;
}
public Cursor(Object delegate) {
this.delegate = (io.vertx.sqlclient.Cursor)delegate;
}
public io.vertx.sqlclient.Cursor getDelegate() {
return delegate;
}
private static final TypeArg> TYPE_ARG_0 = new TypeArg>(o1 -> io.vertx.rxjava.sqlclient.RowSet.newInstance((io.vertx.sqlclient.RowSet)o1, new TypeArg(o2 -> io.vertx.rxjava.sqlclient.Row.newInstance((io.vertx.sqlclient.Row)o2), o2 -> o2.getDelegate())), o1 -> o1.getDelegate());
/**
* Read rows from the cursor, the result is provided asynchronously to the handler.
* @param count the amount of rows to read
* @return a future notified with the result
*/
public io.vertx.core.Future> read(int count) {
io.vertx.core.Future> ret = delegate.read(count).map(val -> io.vertx.rxjava.sqlclient.RowSet.newInstance((io.vertx.sqlclient.RowSet)val, new TypeArg(o0 -> io.vertx.rxjava.sqlclient.Row.newInstance((io.vertx.sqlclient.Row)o0), o0 -> o0.getDelegate())));
return ret;
}
/**
* Read rows from the cursor, the result is provided asynchronously to the handler.
* @param count the amount of rows to read
* @return a future notified with the result
*/
public rx.Single> rxRead(int count) {
return Single.create(new SingleOnSubscribeAdapter<>(fut -> {
this.read(count).onComplete(fut);
}));
}
/**
* Returns true when the cursor has results in progress and the {@link io.vertx.rxjava.sqlclient.Cursor#read} should be called to retrieve
* them.
* @return whether the cursor has more results,
*/
public boolean hasMore() {
boolean ret = delegate.hasMore();
return ret;
}
/**
* Release the cursor.
*
* It should be called for prepared queries executed with a fetch size.
* @return
*/
public io.vertx.core.Future close() {
io.vertx.core.Future ret = delegate.close().map(val -> val);
return ret;
}
/**
* Release the cursor.
*
* It should be called for prepared queries executed with a fetch size.
* @return
*/
public rx.Single rxClose() {
return Single.create(new SingleOnSubscribeAdapter<>(fut -> {
this.close().onComplete(fut);
}));
}
/**
* @return whether the cursor is closed
*/
public boolean isClosed() {
boolean ret = delegate.isClosed();
return ret;
}
public static Cursor newInstance(io.vertx.sqlclient.Cursor arg) {
return arg != null ? new Cursor(arg) : null;
}
}