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 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
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 *
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 * -----------------------------------------------------------------------------
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 * database integrations.
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package org.jooq.meta;

import static java.util.Collections.singletonList;

import java.util.ArrayList;
import java.util.List;

import org.jooq.meta.jaxb.SyntheticIdentityType;
import org.jooq.tools.JooqLogger;

A base implementation for column definitions.
Author:
Lukas Eder/**
 * A base implementation for column definitions.
 *
 * @author Lukas Eder
 */
public class DefaultColumnDefinition
    extends AbstractTypedElementDefinition<TableDefinition>
    implements ColumnDefinition {

    private static final JooqLogger              log = JooqLogger.getLogger(DefaultColumnDefinition.class);
    private final int                            position;
    private final boolean                        isIdentity;
    private transient List<EmbeddableDefinition> replacedByEmbeddables;

    public DefaultColumnDefinition(TableDefinition table, String name, int position, DataTypeDefinition type,
        boolean isIdentity, String comment) {

        super(table, name, position, type, comment);

        this.position = position;
        this.isIdentity = isIdentity || isSyntheticIdentity(this);

        // [#6222] Copy the column's identity flag to the data type definition
        if (type instanceof DefaultDataTypeDefinition)
            ((DefaultDataTypeDefinition) type).identity(this.isIdentity);
    }

    @SuppressWarnings("unused")
    private static boolean isSyntheticIdentity(DefaultColumnDefinition column) {
        AbstractDatabase db = (AbstractDatabase) column.getDatabase();

        for (SyntheticIdentityType id : db.getConfiguredSyntheticIdentities()) {
            for (TableDefinition t : db.filter(singletonList(column.getContainer()), id.getTables())) {
                for (ColumnDefinition c : db.filter(singletonList(column), id.getFields())) {
                    log.info("Synthetic identity", column.getQualifiedName());
                    db.markUsed(id);
                    return true;
                }
            }
        }

        return false;
    }

    @Override
    public final int getPosition() {
        return position;
    }

    @Override
    public final UniqueKeyDefinition getPrimaryKey() {
        return getDatabase().getRelations().getPrimaryKey(this);
    }

    @Override
    public List<UniqueKeyDefinition> getUniqueKeys() {
        return getDatabase().getRelations().getUniqueKeys(this);
    }

    @Override
    public final List<ForeignKeyDefinition> getForeignKeys() {
        return getDatabase().getRelations().getForeignKeys(this);
    }

    @Override
    public final boolean isIdentity() {
        return isIdentity;
    }

    @Override
    public final boolean isNullable() {
        return getType().isNullable();
    }

















}