org.nuiton.topia.service.sql.metadata.TopiaMetadataModelVisitor Maven / Gradle / Ivy
package org.nuiton.topia.service.sql.metadata;
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import java.util.LinkedHashSet;
import java.util.Set;
/**
* Created on 04/01/16.
*
* @author Tony Chemit - [email protected]
* @since 3.0.1
*/
public interface TopiaMetadataModelVisitor {
class TopiaMetadataModelVisitorAdapter implements TopiaMetadataModelVisitor {
@Override
public void visitModelStart(TopiaMetadataModel metadataModel) {
}
@Override
public void visitModelEnd(TopiaMetadataModel metadataModel) {
}
@Override
public void visitEntityStart(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity) {
}
@Override
public void visitEntityEnd(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity) {
}
@Override
public void visitReversedAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
}
@Override
public void visitOneToManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
}
@Override
public void visitOneToOneAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
}
@Override
public void visitManyToManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
}
@Override
public void visitManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, String propertyType) {
}
@Override
public void visitManyToOneAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
}
@Override
public void visitProperty(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, String propertyType) {
}
@Override
public void visitOneToManyAssociationInverse(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
}
}
@SuppressWarnings("UnusedReturnValue")
class PrintVisitor implements TopiaMetadataModelVisitor {
protected final boolean deepVisit;
protected final String eol;
protected final StringBuilder builder;
protected String prefix = "";
public PrintVisitor(boolean deepVisit, String eol) {
this.deepVisit = deepVisit;
this.eol = eol;
this.builder = new StringBuilder();
}
@Override
public void visitModelStart(TopiaMetadataModel metadataModel) {
appendPrefix("M → ").append(metadataModel).append(eol);
}
@Override
public void visitModelEnd(TopiaMetadataModel metadataModel) {
appendPrefix("M ← ").append(metadataModel).append(eol);
}
@Override
public void visitEntityStart(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity) {
if (deepVisit) {
metadataEntity.accept(new DeepVisitor(prefix), metadataModel);
} else {
prefix += " ";
appendPrefix("E → ").append(metadataEntity).append(eol);
if (!metadataEntity.getExtraColumnNames().isEmpty()) {
appendPrefix("Extra column names: ").append(metadataEntity.getExtraColumnNames()).append(eol);
}
}
}
@Override
public void visitEntityEnd(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity) {
if (!deepVisit) {
appendPrefix("E ← ").append(metadataEntity).append(eol);
prefix = prefix.substring(2);
}
}
@Override
public void visitReversedAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
if (!deepVisit) {
appendProperty("ReversedAssociation: ", metadataEntity, propertyName, propertyType.getType());
}
}
@Override
public void visitOneToManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
if (!deepVisit) {
appendProperty("Association: ", metadataEntity, propertyName, propertyType.getType());
}
}
@Override
public void visitOneToOneAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
if (!deepVisit) {
appendProperty("OneToOneAssociation: ", metadataEntity, propertyName, propertyType.getType());
}
}
@Override
public void visitManyToManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
if (!deepVisit) {
appendProperty("NmAssociation: ", metadataEntity, propertyName, propertyType.getType());
}
}
@Override
public void visitManyToOneAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
if (!deepVisit) {
appendProperty("Required: ", metadataEntity, propertyName, propertyType.getType());
}
}
@Override
public void visitOneToManyAssociationInverse(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
if (!deepVisit) {
appendProperty("OneToManyAssociationInverse: ", metadataEntity, propertyName, propertyType.getType());
}
}
@Override
public void visitManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, String propertyType) {
appendProperty("ManyAssociation: ", metadataEntity, propertyName, propertyType);
}
@Override
public void visitProperty(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, String propertyType) {
appendProperty("Property: ", metadataEntity, propertyName, propertyType);
}
@Override
public String toString() {
return builder.toString();
}
private StringBuilder appendProperty(String prefix, TopiaMetadataEntity metadataEntity, String propertyName, String propertyType) {
return appendPrefix(prefix).append(metadataEntity).append("/").append(propertyName).append("(").append(metadataEntity.getDbColumnName(propertyName)).append(")→").append(propertyType).append(eol);
}
private StringBuilder appendPrefix(String prefix) {
return builder.append(this.prefix).append(prefix);
}
@SuppressWarnings("UnusedReturnValue")
class DeepVisitor extends TopiaMetadataModelVisitorAdapter {
final Set visited = new LinkedHashSet<>();
String prefix;
public DeepVisitor(String prefix) {
this.prefix = prefix;
}
@Override
public void visitEntityStart(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity) {
prefix += " ";
appendPrefix("E → ").append(metadataEntity).append(eol);
}
@Override
public void visitEntityEnd(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity) {
appendPrefix("E ← ").append(metadataEntity).append(eol);
prefix = prefix.substring(2);
}
@Override
public void visitReversedAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
appendProperty("ReversedAssociation: ", metadataEntity, propertyName, propertyType.getType());
if (visited.add(propertyType.getType())) {
propertyType.accept(this, metadataModel);
}
}
@Override
public void visitOneToManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
appendProperty("OneToManyAssociation: ", metadataEntity, propertyName, propertyType.getType());
if (visited.add(propertyType.getType())) {
propertyType.accept(this, metadataModel);
}
}
@Override
public void visitOneToOneAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
appendProperty("OneToOneAssociation: ", metadataEntity, propertyName, propertyType.getType());
if (visited.add(propertyType.getType())) {
propertyType.accept(this, metadataModel);
}
}
@Override
public void visitOneToManyAssociationInverse(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
appendProperty("OneToManyAssociationInverse: ", metadataEntity, propertyName, propertyType.getType());
}
@Override
public void visitManyToManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
appendProperty("ManyToManyAssociation: ", metadataEntity, propertyName, propertyType.getType());
if (visited.add(propertyType.getType())) {
propertyType.accept(this, metadataModel);
}
}
@Override
public void visitManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, String propertyType) {
appendProperty("ManyAssociation: ", metadataEntity, propertyName, propertyType);
}
@Override
public void visitManyToOneAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType) {
appendProperty("ManyToOneAssociation: ", metadataEntity, propertyName, propertyType.getType());
if (visited.add(propertyType.getType())) {
propertyType.accept(this, metadataModel);
}
}
private StringBuilder appendPrefix(String prefix) {
return builder.append(this.prefix).append(prefix);
}
private StringBuilder appendProperty(String prefix, TopiaMetadataEntity metadataEntity, String propertyName, String propertyType) {
return appendPrefix(prefix).append(metadataEntity).append("/").append(propertyName).append("(").append(metadataEntity.getDbColumnName(propertyName)).append(")→").append(propertyType).append(eol);
}
}
}
void visitModelStart(TopiaMetadataModel metadataModel);
void visitModelEnd(TopiaMetadataModel metadataModel);
void visitEntityStart(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity);
void visitEntityEnd(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity);
void visitReversedAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType);
void visitOneToManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType);
void visitOneToOneAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType);
void visitOneToManyAssociationInverse(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType);
void visitManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, String propertyType);
void visitManyToManyAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType);
void visitManyToOneAssociation(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, TopiaMetadataEntity propertyType);
void visitProperty(TopiaMetadataModel metadataModel, TopiaMetadataEntity metadataEntity, String propertyName, String propertyType);
}
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