de.tu_berlin.dima.oligos.stat.Table.java Source code

Introduction

Here is the source code for de.tu_berlin.dima.oligos.stat.Table.java

Source

/*******************************************************************************
 * Copyright 2013 DIMA Research Group, TU Berlin (http://www.dima.tu-berlin.de)
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package de.tu_berlin.dima.oligos.stat;

import java.util.Iterator;
import java.util.Set;

import com.google.common.base.Objects;
import com.google.common.collect.Sets;

public class Table implements Iterable<Column<?>> {

    private final String schema;
    private final String table;
    private final long cardinality;
    private final Set<Column<?>> columns;

    public Table(final String schema, final String table, final long cardinality) {
        this.schema = schema;
        this.table = table;
        this.cardinality = cardinality;
        this.columns = Sets.newLinkedHashSet();
    }

    public Table(final String schema, final String table, final long cardinality, Set<Column<?>> columns) {
        this.schema = schema;
        this.table = table;
        this.cardinality = cardinality;
        this.columns = columns;
    }

    public String getSchema() {
        return schema;
    }

    public String getTable() {
        return table;
    }

    public long getCardinality() {
        return cardinality;
    }

    public Set<Column<?>> getColumns() {
        return columns;
    }

    public void addColumn(Column<?> column) {
        columns.add(column);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(schema, table, cardinality, columns);
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Table other = (Table) obj;
        if (schema == null) {
            if (other.schema != null)
                return false;
        } else if (!schema.equals(other.schema))
            return false;
        if (table == null) {
            if (other.table != null)
                return false;
        } else if (!table.equals(other.table))
            return false;
        return true;
    }

    @Override
    public String toString() {
        return schema + "." + table + " " + columns.toString();
    }

    @Override
    public Iterator<Column<?>> iterator() {
        return columns.iterator();
    }

}