PreparedStatementEntry.java

package org.caudexorigo.jdbc;

import java.sql.PreparedStatement;

class PreparedStatementEntry
{
	private final long expires;

	private final PreparedStatement entry;

	private final String sql;

	public PreparedStatementEntry(int ttl, PreparedStatement entry, String sql)
	{
		super();
		this.expires = System.currentTimeMillis() + (ttl * 1000);
		this.entry = entry;
		this.sql = sql;
	}

	protected final boolean isStale()
	{
		return System.currentTimeMillis() > expires;
	}

	protected final PreparedStatement get()
	{
		return entry;
	}

	@Override
	public int hashCode()
	{
		final int prime = 31;
		int result = 1;
		result = prime * result + ((sql == null) ? 0 : sql.hashCode());
		return result;
	}

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