/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 gobblin.runtime.std;
import java.net.URI;
import java.net.URISyntaxException;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import gobblin.runtime.api.JobSpec;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.Setter;
/**
* A helper class to create JobSpec predicates.
*/
@AllArgsConstructor
public class JobSpecFilter implements Predicate<JobSpec> {
private final Optional<Predicate<URI>> uriPredicate;
private final Optional<Predicate<String>> versionPredicate;
@Override
public boolean apply(JobSpec input) {
Preconditions.checkNotNull(input);
boolean res = true;
if (this.uriPredicate.isPresent()) {
res &= this.uriPredicate.get().apply(input.getUri());
}
if (res && this.versionPredicate.isPresent()) {
res &= this.versionPredicate.get().apply(input.getVersion());
}
return res;
}
public static Builder builder() {
return new Builder();
}
public static JobSpecFilter eqJobSpecURI(URI jobSpecURI) {
return builder().eqURI(jobSpecURI).build();
}
public static JobSpecFilter eqJobSpecURI(String jobSpecURI) {
return builder().eqURI(jobSpecURI).build();
}
@Getter
@Setter
public static class Builder {
private Predicate<URI> uriPredicate;
private Predicate<String> versionPredicate;
public Builder eqURI(URI uri) {
this.uriPredicate = Predicates.equalTo(uri);
return this;
}
public Builder eqURI(String uri) {
try {
this.uriPredicate = Predicates.equalTo(new URI(uri));
} catch (URISyntaxException e) {
throw new RuntimeException("invalid URI: " + uri, e);
}
return this;
}
public Builder eqVersion(String version) {
this.versionPredicate = Predicates.equalTo(version);
return this;
}
public JobSpecFilter build() {
return new JobSpecFilter(Optional.fromNullable(this.uriPredicate),
Optional.fromNullable(this.versionPredicate));
}
}
}