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LoadingParameters.java
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LoadingParameters.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.jopa.sessions;
import cz.cvut.kbss.jopa.model.descriptors.Descriptor;
import java.net.URI;
/**
* Created by ledvima1 on 11.2.15.
*/
public final class LoadingParameters<T> {
private final Class<T> cls;
private final URI identifier;
private final Descriptor descriptor;
private final boolean forceLoad;
public LoadingParameters(Class<T> cls, URI identifier, Descriptor descriptor) {
this.cls = cls;
this.identifier = identifier;
this.descriptor = descriptor;
this.forceLoad = false;
assert paramsLoaded();
}
private boolean paramsLoaded() {
return cls != null && identifier != null && descriptor != null;
}
public LoadingParameters(Class<T> cls, URI identifier, Descriptor descriptor, boolean forceLoad) {
this.cls = cls;
this.identifier = identifier;
this.descriptor = descriptor;
this.forceLoad = forceLoad;
assert paramsLoaded();
}
public Class<T> getEntityType() {
return cls;
}
public URI getIdentifier() {
return identifier;
}
public Descriptor getDescriptor() {
return descriptor;
}
public boolean isForceLoad() {
return forceLoad;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
LoadingParameters that = (LoadingParameters) o;
if (forceLoad != that.forceLoad) return false;
if (!cls.equals(that.cls)) return false;
if (!descriptor.equals(that.descriptor)) return false;
return identifier.equals(that.identifier);
}
@Override
public int hashCode() {
int result = cls.hashCode();
result = 31 * result + identifier.hashCode();
result = 31 * result + descriptor.hashCode();
result = 31 * result + (forceLoad ? 1 : 0);
return result;
}
}