public Lock(final String lockId, final int lockType) {
if (lockType != Manager.LOCK_TYPE_SYNCHRONOUS_WRITE && lockType != Manager.LOCK_TYPE_WRITE) {
throw new AssertionError(
"Trying to set lockType to "
+ lockType
+ " -- must be either write or synchronous-write");
}
this.lockType = lockType;
Assert.pre(lockId != null && lockId.length() > 0);
this.lockId = lockId;
}
public Instruction(int opcode, int address) {
Assert.pre(0 < opcode && opcode <= GO, "Bad opcode");
this.opcode = opcode;
this.address = address;
}
/**
* Constructs a pair from a key and value.
*
* @pre Key is non-null
* @post Constructs a key-value pair
* @param key A non-null object.
* @param value A (possibly null) object.
*/
public Entry(K key, V value) {
Assert.pre(key != null, "Key must not be null.");
theKey = key;
theValue = value;
}