org.gradle.internal.resolve.result.DefaultBuildableModuleVersionListingResolveResult Maven / Gradle / Ivy
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/*
* Copyright 2014 the original author or authors.
*
* 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 org.gradle.internal.resolve.result;
import com.google.common.collect.ImmutableSet;
import org.gradle.internal.resolve.ModuleVersionResolveException;
import java.util.Collection;
import java.util.Set;
public class DefaultBuildableModuleVersionListingResolveResult extends DefaultResourceAwareResolveResult implements BuildableModuleVersionListingResolveResult {
private State state = State.Unknown;
private ModuleVersionResolveException failure;
private Set versions;
private boolean authoritative;
private void reset(State state) {
this.state = state;
versions = null;
failure = null;
authoritative = false;
}
@Override
public State getState() {
return state;
}
@Override
public boolean hasResult() {
return state != State.Unknown;
}
@Override
public Set getVersions() throws ModuleVersionResolveException {
assertHasResult();
return versions;
}
@Override
public ModuleVersionResolveException getFailure() {
assertHasResult();
return failure;
}
@Override
public void listed(Collection versions) {
reset(State.Listed);
this.versions = ImmutableSet.copyOf(versions);
this.authoritative = true;
}
@Override
public void failed(ModuleVersionResolveException failure) {
reset(State.Failed);
this.failure = failure;
this.authoritative = true;
}
@Override
public boolean isAuthoritative() {
assertHasResult();
return authoritative;
}
@Override
public void setAuthoritative(boolean authoritative) {
assertHasResult();
this.authoritative = authoritative;
}
private void assertHasResult() {
if (!hasResult()) {
throw new IllegalStateException("No result has been specified.");
}
}
}
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