TestHistoryDifferenceKey.java

package fr.openwide.core.jpa.more.junit.difference;

import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;

import fr.openwide.core.commons.util.fieldpath.FieldPath;
import fr.openwide.core.jpa.business.generic.model.GenericEntity;
import fr.openwide.core.jpa.business.generic.model.GenericEntityReference;
import fr.openwide.core.jpa.more.business.history.model.AbstractHistoryDifference;
import fr.openwide.core.jpa.more.business.history.model.embeddable.HistoryValue;

public class TestHistoryDifferenceKey {
	
	private final FieldPath fieldPath;
	
	private final GenericEntityReference<?, ?> keyAsGenericEntityReference;
	
	private final String keyAsString;

	@SuppressWarnings("rawtypes")
	public TestHistoryDifferenceKey(FieldPath fieldPath, Object key) {
		super();
		this.fieldPath = fieldPath;
		if (key instanceof GenericEntity) {
			keyAsGenericEntityReference = GenericEntityReference.ofUnknownIdType((GenericEntity)key);
			keyAsString = null;
		} else if (key != null) {
			keyAsGenericEntityReference = null;
			keyAsString = key.toString();
		} else {
			keyAsGenericEntityReference = null;
			keyAsString = null;
		}
	}
	
	public TestHistoryDifferenceKey(AbstractHistoryDifference<?, ?> input) {
		super();
		this.fieldPath = input.getPath().getPath();
		HistoryValue key = input.getPath().getKey();
		if (key != null && key.getReference() != null) {
			keyAsGenericEntityReference = key.getReference();
			keyAsString = null;
		} else {
			keyAsGenericEntityReference = null;
			keyAsString = key == null ? null : key.getLabel();
		}
	}

	@Override
	public int hashCode() {
		return new HashCodeBuilder().append(fieldPath).append(keyAsGenericEntityReference).append(keyAsString).build();
	}
	
	@Override
	public boolean equals(Object obj) {
		if (obj instanceof TestHistoryDifferenceKey) {
			TestHistoryDifferenceKey other = (TestHistoryDifferenceKey) obj;
			return new EqualsBuilder()
					.append(fieldPath, other.fieldPath)
					.append(keyAsGenericEntityReference, other.keyAsGenericEntityReference)
					.append(keyAsString, other.keyAsString)
					.build();
		}
		return false;
	}
	
	@Override
	public String toString() {
		return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
				.append(fieldPath).append(keyAsGenericEntityReference).append(keyAsString)
				.build();
	}

}