com.netbout.dynamo.DyUser Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2016, netbout.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are PROHIBITED without prior written permission from
* the author. This product may NOT be used anywhere and on any computer
* except the server platform of netbout Inc. located at www.netbout.com.
* Federal copyright law prohibits unauthorized reproduction by any means
* and imposes fines up to $25,000 for violation. If you received
* this code accidentally and without intent to use it, please report this
* incident to the author by email.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
package com.netbout.dynamo;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
import com.jcabi.aspects.Immutable;
import com.jcabi.aspects.Loggable;
import com.jcabi.dynamo.Conditions;
import com.jcabi.dynamo.Item;
import com.jcabi.dynamo.QueryValve;
import com.jcabi.dynamo.Region;
import com.jcabi.urn.URN;
import com.netbout.spi.Aliases;
import com.netbout.spi.Friend;
import com.netbout.spi.User;
import java.io.IOException;
import lombok.EqualsAndHashCode;
import lombok.ToString;
/**
* Dynamo User.
*
* @author Yegor Bugayenko ([email protected])
* @version $Id: dae715d74dd77fa469ddc545b019aa1af6c0ac3f $
* @since 2.0
*/
@Immutable
@Loggable(Loggable.DEBUG)
@ToString(of = "urn")
@EqualsAndHashCode(of = { "region", "urn" })
final class DyUser implements User {
/**
* Region to work with.
*/
private final transient Region region;
/**
* URN of the user.
*/
private final transient URN urn;
/**
* Ctor.
* @param reg Region
* @param name Name of the user (URN)
*/
DyUser(final Region reg, final URN name) {
this.region = reg;
this.urn = name;
}
@Override
public Aliases aliases() {
return new DyAliases(this.region, this.urn);
}
@Override
public Iterable friends(final String text) {
return Iterables.transform(
this.region.table(DyAliases.TBL)
.frame()
.through(new QueryValve())
.where(DyAliases.HASH, Conditions.equalTo(text)),
new Function() {
@Override
public Friend apply(final Item input) {
try {
return new DyFriend(
DyUser.this.region,
input.get(DyAliases.HASH).getS()
);
} catch (final IOException ex) {
throw new IllegalStateException(ex);
}
}
}
);
}
}