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Utilities for Databases.
There is a newer version: 0.9.0
package cdc.util.rdb;

/**
 * Schema description.
 * 
 * Its parent is a Catalog.

 * Its name must be unique.

 * Its content is:
 * 

 * Tables
 * 
User data types
 * 
 *
 * @author Damien Carbonne
 *
 */
public final class RdbSchema extends RdbElement {
    RdbSchema(String name,
              RdbCatalog parent) {
        super(name, parent, false);
    }

    @Override
    public RdbElementKind getKind() {
        return RdbElementKind.SCHEMA;
    }

    @Override
    public RdbCatalog getParent() {
        return (RdbCatalog) super.getParent();
    }

    public RdbCatalog getCatalog() {
        return getParent();
    }

    public RdbDatabase getDatabase() {
        return getCatalog().getDatabase();
    }

    public RdbTable createTable(String name) {
        return new RdbTable(name, this);
    }

    public RdbTable getOptionalTable(String name) {
        return getFirstChild(RdbTable.class, name);
    }

    public RdbTable getTable(String name) {
        return notNull(getOptionalTable(name), "table", name);
    }

    public Iterable getTables() {
        return getChildren(RdbTable.class);
    }

    public RdbUserDataType createUserDataType(String name) {
        return new RdbUserDataType(name, this);
    }

    public RdbUserDataType getOptionalUserDataType(String name) {
        return getFirstChild(RdbUserDataType.class, name);
    }

    public RdbUserDataType getUserDataType(String name) {
        return notNull(getOptionalUserDataType(name), "user data type", name);
    }

    public Iterable getUserDataTypes() {
        return getChildren(RdbUserDataType.class);
    }

    public RdbFunction createFunction(String name) {
        return new RdbFunction(name, this);
    }

    public RdbFunction getOptionalFunction(String specificName) {
        for (final RdbFunction child : getFunctions()) {
            if (specificName.equals(child.getSpecificName())) {
                return child;
            }
        }
        return null;
    }

    public RdbFunction getFunction(String specificName) {
        return notNull(getOptionalFunction(specificName), "function", specificName);
    }

    public Iterable getFunctions() {
        return getChildren(RdbFunction.class);
    }

    public RdbProcedure createProcedure(String name) {
        return new RdbProcedure(name, this);
    }

    public RdbProcedure getOptionalProcedure(String specificName) {
        for (final RdbProcedure child : getProcedures()) {
            if (specificName.equals(child.getSpecificName())) {
                return child;
            }
        }
        return null;
    }

    public RdbProcedure getProcedure(String specificName) {
        return notNull(getOptionalProcedure(specificName), "procedure", specificName);
    }

    public Iterable getProcedures() {
        return getChildren(RdbProcedure.class);
    }
}